Merge commit 'v2.6.27-rc6' into timers/hpet

91 files changed, 1567 insertions, 743 deletions

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 3d0f2b6a5a1..ed92864d132 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -22,7 +22,6 @@ config X86
 	select HAVE_IDE
 	select HAVE_OPROFILE
 	select HAVE_IOREMAP_PROT
-	select HAVE_GET_USER_PAGES_FAST
 	select HAVE_KPROBES
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select HAVE_KRETPROBES
@@ -578,35 +577,29 @@ config SWIOTLB
 
 config IOMMU_HELPER
 	def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)
+
 config MAXSMP
 	bool "Configure Maximum number of SMP Processors and NUMA Nodes"
-	depends on X86_64 && SMP
+	depends on X86_64 && SMP && BROKEN
 	default n
 	help
 	  Configure maximum number of CPUS and NUMA Nodes for this architecture.
 	  If unsure, say N.
 
-if MAXSMP
-config NR_CPUS
-	int
-	default "4096"
-endif
-
-if !MAXSMP
 config NR_CPUS
-	int "Maximum number of CPUs (2-4096)"
-	range 2 4096
+	int "Maximum number of CPUs (2-512)" if !MAXSMP
+	range 2 512
 	depends on SMP
+	default "4096" if MAXSMP
 	default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
 	default "8"
 	help
 	  This allows you to specify the maximum number of CPUs which this
-	  kernel will support.  The maximum supported value is 4096 and the
+	  kernel will support.  The maximum supported value is 512 and the
 	  minimum value which makes sense is 2.
 
 	  This is purely to save memory - each supported CPU adds
 	  approximately eight kilobytes to the kernel image.
-endif
 
 config SCHED_SMT
 	bool "SMT (Hyperthreading) scheduler support"
@@ -952,9 +945,9 @@ config NUMA
 	  local memory controller of the CPU and add some more
 	  NUMA awareness to the kernel.
 
-	  For i386 this is currently highly experimental and should be only
+	  For 32-bit this is currently highly experimental and should be only
 	  used for kernel development. It might also cause boot failures.
-	  For x86_64 this is recommended on all multiprocessor Opteron systems.
+	  For 64-bit this is recommended on all multiprocessor Opteron systems.
 	  If the system is EM64T, you should say N unless your system is
 	  EM64T NUMA.
 
@@ -997,17 +990,10 @@ config NUMA_EMU
 	  into virtual nodes when booted with "numa=fake=N", where N is the
 	  number of nodes. This is only useful for debugging.
 
-if MAXSMP
-
 config NODES_SHIFT
-	int
-	default "9"
-endif
-
-if !MAXSMP
-config NODES_SHIFT
-	int "Maximum NUMA Nodes (as a power of 2)"
+	int "Maximum NUMA Nodes (as a power of 2)" if !MAXSMP
 	range 1 9   if X86_64
+	default "9" if MAXSMP
 	default "6" if X86_64
 	default "4" if X86_NUMAQ
 	default "3"
@@ -1015,7 +1001,6 @@ config NODES_SHIFT
 	help
 	  Specify the maximum number of NUMA Nodes available on the target
 	  system.  Increases memory reserved to accomodate various tables.
-endif
 
 config HAVE_ARCH_BOOTMEM_NODE
 	def_bool y
@@ -1264,7 +1249,7 @@ config KEXEC
 	  strongly in flux, so no good recommendation can be made.
 
 config CRASH_DUMP
-	bool "kernel crash dumps (EXPERIMENTAL)"
+	bool "kernel crash dumps"
 	depends on X86_64 || (X86_32 && HIGHMEM)
 	help
 	  Generate crash dump after being started by kexec.
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu
index 2c518fbc52e..b225219c448 100644
--- a/arch/x86/Kconfig.cpu
+++ b/arch/x86/Kconfig.cpu
@@ -382,14 +382,17 @@ config X86_OOSTORE
 # P6_NOPs are a relatively minor optimization that require a family >=
 # 6 processor, except that it is broken on certain VIA chips.
 # Furthermore, AMD chips prefer a totally different sequence of NOPs
-# (which work on all CPUs).  As a result, disallow these if we're
-# compiling X86_GENERIC but not X86_64 (these NOPs do work on all
-# x86-64 capable chips); the list of processors in the right-hand clause
-# are the cores that benefit from this optimization.
+# (which work on all CPUs).  In addition, it looks like Virtual PC
+# does not understand them.
+#
+# As a result, disallow these if we're not compiling for X86_64 (these
+# NOPs do work on all x86-64 capable chips); the list of processors in
+# the right-hand clause are the cores that benefit from this optimization.
 #
 config X86_P6_NOP
 	def_bool y
-	depends on (X86_64 || !X86_GENERIC) && (M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MPENTIUM4 || MPSC)
+	depends on X86_64
+	depends on (MCORE2 || MPENTIUM4 || MPSC)
 
 config X86_TSC
 	def_bool y
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index a34b9982c7c..cc0ef13fba7 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -24,10 +24,14 @@
 #include <linux/edd.h>
 #include <asm/boot.h>
 #include <asm/setup.h>
+#include "bitops.h"
+#include <asm/cpufeature.h>
 
 /* Useful macros */
 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
 
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
+
 extern struct setup_header hdr;
 extern struct boot_params boot_params;
 
@@ -242,6 +246,12 @@ int cmdline_find_option(const char *option, char *buffer, int bufsize);
 int cmdline_find_option_bool(const char *option);
 
 /* cpu.c, cpucheck.c */
+struct cpu_features {
+	int level;		/* Family, or 64 for x86-64 */
+	int model;
+	u32 flags[NCAPINTS];
+};
+extern struct cpu_features cpu;
 int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr);
 int validate_cpu(void);
 
diff --git a/arch/x86/boot/cpu.c b/arch/x86/boot/cpu.c
index 92d6fd73dc7..75298fe2edc 100644
--- a/arch/x86/boot/cpu.c
+++ b/arch/x86/boot/cpu.c
@@ -16,9 +16,6 @@
  */
 
 #include "boot.h"
-#include "bitops.h"
-#include <asm/cpufeature.h>
-
 #include "cpustr.h"
 
 static char *cpu_name(int level)
diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c
index 7804389ee00..4d3ff037201 100644
--- a/arch/x86/boot/cpucheck.c
+++ b/arch/x86/boot/cpucheck.c
@@ -22,21 +22,13 @@
 
 #ifdef _SETUP
 # include "boot.h"
-# include "bitops.h"
 #endif
 #include <linux/types.h>
-#include <asm/cpufeature.h>
 #include <asm/processor-flags.h>
 #include <asm/required-features.h>
 #include <asm/msr-index.h>
 
-struct cpu_features {
-	int level;		/* Family, or 64 for x86-64 */
-	int model;
-	u32 flags[NCAPINTS];
-};
-
-static struct cpu_features cpu;
+struct cpu_features cpu;
 static u32 cpu_vendor[3];
 static u32 err_flags[NCAPINTS];
 
@@ -46,12 +38,12 @@ static const u32 req_flags[NCAPINTS] =
 {
 	REQUIRED_MASK0,
 	REQUIRED_MASK1,
-	REQUIRED_MASK2,
-	REQUIRED_MASK3,
+	0, /* REQUIRED_MASK2 not implemented in this file */
+	0, /* REQUIRED_MASK3 not implemented in this file */
 	REQUIRED_MASK4,
-	REQUIRED_MASK5,
+	0, /* REQUIRED_MASK5 not implemented in this file */
 	REQUIRED_MASK6,
-	REQUIRED_MASK7,
+	0, /* REQUIRED_MASK7 not implemented in this file */
 };
 
 #define A32(a, b, c, d) (((d) << 24)+((c) << 16)+((b) << 8)+(a))
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 2296164b54d..197421db1af 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -73,6 +73,11 @@ static void keyboard_set_repeat(void)
  */
 static void query_ist(void)
 {
+	/* Some older BIOSes apparently crash on this call, so filter
+	   it from machines too old to have SpeedStep at all. */
+	if (cpu.level < 6)
+		return;
+
 	asm("int $0x15"
 	    : "=a" (boot_params.ist_info.signature),
 	      "=b" (boot_params.ist_info.command),
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index 53165c97336..8c3c25f3557 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -13,7 +13,6 @@
  */
 
 #include "boot.h"
-#include <linux/kernel.h>
 
 #define SMAP	0x534d4150	/* ASCII "SMAP" */
 
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index 4d73f53287b..104275e191a 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -1,13 +1,13 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc1
-# Sun May  4 19:59:02 2008
+# Linux kernel version: 2.6.27-rc4
+# Mon Aug 25 15:04:00 2008
 #
 # CONFIG_64BIT is not set
 CONFIG_X86_32=y
 # CONFIG_X86_64 is not set
 CONFIG_X86=y
-CONFIG_DEFCONFIG_LIST="arch/x86/configs/i386_defconfig"
+CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig"
 # CONFIG_GENERIC_LOCKBREAK is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CMOS_UPDATE=y
@@ -53,6 +53,7 @@ CONFIG_X86_HT=y
 CONFIG_X86_BIOS_REBOOT=y
 CONFIG_X86_TRAMPOLINE=y
 CONFIG_KTIME_SCALAR=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
 # General setup
@@ -82,6 +83,7 @@ CONFIG_CGROUPS=y
 CONFIG_CGROUP_NS=y
 # CONFIG_CGROUP_DEVICE is not set
 CONFIG_CPUSETS=y
+CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
 CONFIG_GROUP_SCHED=y
 CONFIG_FAIR_GROUP_SCHED=y
 # CONFIG_RT_GROUP_SCHED is not set
@@ -105,7 +107,6 @@ CONFIG_SYSCTL=y
 # CONFIG_EMBEDDED is not set
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
@@ -113,6 +114,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_PCSPKR_PLATFORM=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
@@ -132,27 +134,35 @@ CONFIG_MARKERS=y
 # CONFIG_OPROFILE is not set
 CONFIG_HAVE_OPROFILE=y
 CONFIG_KPROBES=y
+CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
 CONFIG_KRETPROBES=y
+CONFIG_HAVE_IOREMAP_PROT=y
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_ARCH_TRACEHOOK is not set
 # CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_USE_GENERIC_SMP_HELPERS=y
+# CONFIG_HAVE_CLK is not set
 CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
+CONFIG_KMOD=y
 CONFIG_STOP_MACHINE=y
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 CONFIG_BLK_DEV_IO_TRACE=y
 # CONFIG_LSF is not set
 CONFIG_BLK_DEV_BSG=y
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
@@ -176,19 +186,17 @@ CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_SMP=y
+CONFIG_X86_FIND_SMP_CONFIG=y
+CONFIG_X86_MPPARSE=y
 CONFIG_X86_PC=y
 # CONFIG_X86_ELAN is not set
 # CONFIG_X86_VOYAGER is not set
-# CONFIG_X86_NUMAQ is not set
-# CONFIG_X86_SUMMIT is not set
-# CONFIG_X86_BIGSMP is not set
-# CONFIG_X86_VISWS is not set
 # CONFIG_X86_GENERICARCH is not set
-# CONFIG_X86_ES7000 is not set
-# CONFIG_X86_RDC321X is not set
 # CONFIG_X86_VSMP is not set
+# CONFIG_X86_RDC321X is not set
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 # CONFIG_PARAVIRT_GUEST is not set
+# CONFIG_MEMTEST is not set
 # CONFIG_M386 is not set
 # CONFIG_M486 is not set
 # CONFIG_M586 is not set
@@ -215,21 +223,19 @@ CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 # CONFIG_MPSC is not set
 CONFIG_MCORE2=y
 # CONFIG_GENERIC_CPU is not set
-# CONFIG_X86_GENERIC is not set
+CONFIG_X86_GENERIC=y
 CONFIG_X86_CPU=y
 CONFIG_X86_CMPXCHG=y
-CONFIG_X86_L1_CACHE_SHIFT=6
+CONFIG_X86_L1_CACHE_SHIFT=7
 CONFIG_X86_XADD=y
 CONFIG_X86_WP_WORKS_OK=y
 CONFIG_X86_INVLPG=y
 CONFIG_X86_BSWAP=y
 CONFIG_X86_POPAD_OK=y
-CONFIG_X86_GOOD_APIC=y
 CONFIG_X86_INTEL_USERCOPY=y
 CONFIG_X86_USE_PPRO_CHECKSUM=y
-CONFIG_X86_P6_NOP=y
 CONFIG_X86_TSC=y
-CONFIG_X86_MINIMUM_CPU_FAMILY=6
+CONFIG_X86_MINIMUM_CPU_FAMILY=4
 CONFIG_X86_DEBUGCTLMSR=y
 CONFIG_HPET_TIMER=y
 CONFIG_HPET_EMULATE_RTC=y
@@ -247,7 +253,7 @@ CONFIG_X86_IO_APIC=y
 CONFIG_VM86=y
 # CONFIG_TOSHIBA is not set
 # CONFIG_I8K is not set
-# CONFIG_X86_REBOOTFIXUPS is not set
+CONFIG_X86_REBOOTFIXUPS=y
 # CONFIG_MICROCODE is not set
 CONFIG_X86_MSR=y
 CONFIG_X86_CPUID=y
@@ -256,32 +262,28 @@ CONFIG_HIGHMEM4G=y
 # CONFIG_HIGHMEM64G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
 CONFIG_HIGHMEM=y
-CONFIG_NEED_NODE_MEMMAP_SIZE=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_SELECT_MEMORY_MODEL=y
-# CONFIG_FLATMEM_MANUAL is not set
+CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
-CONFIG_SPARSEMEM_MANUAL=y
-CONFIG_SPARSEMEM=y
-CONFIG_HAVE_MEMORY_PRESENT=y
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
 # CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
-
-#
-# Memory hotplug is currently incompatible with Software Suspend
-#
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_RESOURCES_64BIT=y
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_BOUNCE=y
 CONFIG_VIRT_TO_BUS=y
-# CONFIG_HIGHPTE is not set
+CONFIG_HIGHPTE=y
 # CONFIG_MATH_EMULATION is not set
 CONFIG_MTRR=y
-# CONFIG_X86_PAT is not set
+# CONFIG_MTRR_SANITIZER is not set
+CONFIG_X86_PAT=y
 CONFIG_EFI=y
 # CONFIG_IRQBALANCE is not set
 CONFIG_SECCOMP=y
@@ -293,6 +295,7 @@ CONFIG_HZ=1000
 CONFIG_SCHED_HRTICK=y
 CONFIG_KEXEC=y
 CONFIG_CRASH_DUMP=y
+# CONFIG_KEXEC_JUMP is not set
 CONFIG_PHYSICAL_START=0x1000000
 CONFIG_RELOCATABLE=y
 CONFIG_PHYSICAL_ALIGN=0x200000
@@ -312,6 +315,7 @@ CONFIG_PM_TRACE_RTC=y
 CONFIG_PM_SLEEP_SMP=y
 CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
+# CONFIG_PM_TEST_SUSPEND is not set
 CONFIG_SUSPEND_FREEZER=y
 CONFIG_HIBERNATION=y
 CONFIG_PM_STD_PARTITION=""
@@ -337,6 +341,7 @@ CONFIG_ACPI_THERMAL=y
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
 CONFIG_ACPI_EC=y
+# CONFIG_ACPI_PCI_SLOT is not set
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_SYSTEM=y
 CONFIG_X86_PM_TIMER=y
@@ -395,8 +400,8 @@ CONFIG_PCI=y
 # CONFIG_PCI_GOBIOS is not set
 # CONFIG_PCI_GOMMCONFIG is not set
 # CONFIG_PCI_GODIRECT is not set
-CONFIG_PCI_GOANY=y
 # CONFIG_PCI_GOOLPC is not set
+CONFIG_PCI_GOANY=y
 CONFIG_PCI_BIOS=y
 CONFIG_PCI_DIRECT=y
 CONFIG_PCI_MMCONFIG=y
@@ -448,10 +453,6 @@ CONFIG_HOTPLUG_PCI=y
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_AOUT is not set
 CONFIG_BINFMT_MISC=y
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -475,7 +476,10 @@ CONFIG_IP_FIB_HASH=y
 CONFIG_IP_MULTIPLE_TABLES=y
 CONFIG_IP_ROUTE_MULTIPATH=y
 CONFIG_IP_ROUTE_VERBOSE=y
-# CONFIG_IP_PNP is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE is not set
 CONFIG_IP_MROUTE=y
@@ -618,7 +622,6 @@ CONFIG_NET_SCHED=y
 # CONFIG_NET_SCH_HTB is not set
 # CONFIG_NET_SCH_HFSC is not set
 # CONFIG_NET_SCH_PRIO is not set
-# CONFIG_NET_SCH_RR is not set
 # CONFIG_NET_SCH_RED is not set
 # CONFIG_NET_SCH_SFQ is not set
 # CONFIG_NET_SCH_TEQL is not set
@@ -680,28 +683,19 @@ CONFIG_FIB_RULES=y
 CONFIG_CFG80211=y
 CONFIG_NL80211=y
 CONFIG_WIRELESS_EXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
 CONFIG_MAC80211=y
 
 #
 # Rate control algorithm selection
 #
+CONFIG_MAC80211_RC_PID=y
 CONFIG_MAC80211_RC_DEFAULT_PID=y
-# CONFIG_MAC80211_RC_DEFAULT_NONE is not set
-
-#
-# Selecting 'y' for an algorithm will
-#
-
-#
-# build the algorithm into mac80211.
-#
 CONFIG_MAC80211_RC_DEFAULT="pid"
-CONFIG_MAC80211_RC_PID=y
 # CONFIG_MAC80211_MESH is not set
 CONFIG_MAC80211_LEDS=y
 # CONFIG_MAC80211_DEBUGFS is not set
-# CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT is not set
-# CONFIG_MAC80211_DEBUG is not set
+# CONFIG_MAC80211_DEBUG_MENU is not set
 # CONFIG_IEEE80211 is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
@@ -717,6 +711,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
 CONFIG_DEBUG_DEVRES=y
 # CONFIG_SYS_HYPERVISOR is not set
@@ -749,6 +745,7 @@ CONFIG_BLK_DEV_RAM_SIZE=16384
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_IBM_ASM is not set
 # CONFIG_PHANTOM is not set
@@ -760,10 +757,12 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_FUJITSU_LAPTOP is not set
 # CONFIG_TC1100_WMI is not set
 # CONFIG_MSI_LAPTOP is not set
+# CONFIG_COMPAL_LAPTOP is not set
 # CONFIG_SONY_LAPTOP is not set
 # CONFIG_THINKPAD_ACPI is not set
 # CONFIG_INTEL_MENLOW is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HP_ILO is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -802,12 +801,13 @@ CONFIG_SCSI_WAIT_SCAN=m
 #
 CONFIG_SCSI_SPI_ATTRS=y
 # CONFIG_SCSI_FC_ATTRS is not set
-# CONFIG_SCSI_ISCSI_ATTRS is not set
+CONFIG_SCSI_ISCSI_ATTRS=y
 # CONFIG_SCSI_SAS_ATTRS is not set
 # CONFIG_SCSI_SAS_LIBSAS is not set
 # CONFIG_SCSI_SRP_ATTRS is not set
 # CONFIG_SCSI_LOWLEVEL is not set
 # CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
+# CONFIG_SCSI_DH is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
 CONFIG_ATA_ACPI=y
@@ -842,7 +842,7 @@ CONFIG_PATA_AMD=y
 # CONFIG_PATA_CS5536 is not set
 # CONFIG_PATA_CYPRESS is not set
 # CONFIG_PATA_EFAR is not set
-# CONFIG_ATA_GENERIC is not set
+CONFIG_ATA_GENERIC=y
 # CONFIG_PATA_HPT366 is not set
 # CONFIG_PATA_HPT37X is not set
 # CONFIG_PATA_HPT3X2N is not set
@@ -852,7 +852,7 @@ CONFIG_PATA_AMD=y
 # CONFIG_PATA_JMICRON is not set
 # CONFIG_PATA_TRIFLEX is not set
 # CONFIG_PATA_MARVELL is not set
-# CONFIG_PATA_MPIIX is not set
+CONFIG_PATA_MPIIX=y
 CONFIG_PATA_OLDPIIX=y
 # CONFIG_PATA_NETCELL is not set
 # CONFIG_PATA_NINJA32 is not set
@@ -871,6 +871,7 @@ CONFIG_PATA_OLDPIIX=y
 # CONFIG_PATA_SIS is not set
 # CONFIG_PATA_VIA is not set
 # CONFIG_PATA_WINBOND is not set
+CONFIG_PATA_SCH=y
 CONFIG_MD=y
 CONFIG_BLK_DEV_MD=y
 # CONFIG_MD_LINEAR is not set
@@ -894,13 +895,16 @@ CONFIG_DM_ZERO=y
 #
 # IEEE 1394 (FireWire) support
 #
+
+#
+# Enable only one of the two stacks, unless you know what you are doing
+#
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_MACINTOSH_DRIVERS=y
 CONFIG_MAC_EMUMOUSEBTN=y
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_IFB is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
@@ -910,7 +914,23 @@ CONFIG_NETDEVICES=y
 # CONFIG_VETH is not set
 # CONFIG_NET_SB1000 is not set
 # CONFIG_ARCNET is not set
-# CONFIG_PHYLIB is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 # CONFIG_HAPPYMEAL is not set
@@ -943,10 +963,10 @@ CONFIG_FORCEDETH=y
 CONFIG_E100=y
 # CONFIG_FEALNX is not set
 # CONFIG_NATSEMI is not set
-# CONFIG_NE2K_PCI is not set
+CONFIG_NE2K_PCI=y
 # CONFIG_8139CP is not set
 CONFIG_8139TOO=y
-CONFIG_8139TOO_PIO=y
+# CONFIG_8139TOO_PIO is not set
 # CONFIG_8139TOO_TUNE_TWISTER is not set
 # CONFIG_8139TOO_8129 is not set
 # CONFIG_8139_OLD_RX_RESET is not set
@@ -961,25 +981,24 @@ CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 CONFIG_E1000=y
-# CONFIG_E1000_NAPI is not set
 # CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
-# CONFIG_E1000E is not set
-# CONFIG_E1000E_ENABLED is not set
+CONFIG_E1000E=y
 # CONFIG_IP1000 is not set
 # CONFIG_IGB is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
-# CONFIG_R8169 is not set
+CONFIG_R8169=y
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
 CONFIG_SKY2=y
 # CONFIG_SKY2_DEBUG is not set
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=y
-# CONFIG_BNX2 is not set
+CONFIG_BNX2=y
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
+# CONFIG_ATL1E is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
@@ -1019,13 +1038,14 @@ CONFIG_WLAN_80211=y
 # CONFIG_RTL8180 is not set
 # CONFIG_RTL8187 is not set
 # CONFIG_ADM8211 is not set
+# CONFIG_MAC80211_HWSIM is not set
 # CONFIG_P54_COMMON is not set
 CONFIG_ATH5K=y
 # CONFIG_ATH5K_DEBUG is not set
-# CONFIG_IWLWIFI is not set
+# CONFIG_ATH9K is not set
 # CONFIG_IWLCORE is not set
 # CONFIG_IWLWIFI_LEDS is not set
-# CONFIG_IWL4965 is not set
+# CONFIG_IWLAGN is not set
 # CONFIG_IWL3945 is not set
 # CONFIG_HOSTAP is not set
 # CONFIG_B43 is not set
@@ -1105,6 +1125,7 @@ CONFIG_MOUSE_PS2_TRACKPOINT=y
 # CONFIG_MOUSE_PS2_TOUCHKIT is not set
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_APPLETOUCH is not set
+# CONFIG_MOUSE_BCM5974 is not set
 # CONFIG_MOUSE_VSXXXAA is not set
 CONFIG_INPUT_JOYSTICK=y
 # CONFIG_JOYSTICK_ANALOG is not set
@@ -1139,12 +1160,14 @@ CONFIG_INPUT_TOUCHSCREEN=y
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
 # CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
 # CONFIG_TOUCHSCREEN_MK712 is not set
 # CONFIG_TOUCHSCREEN_PENMOUNT is not set
 # CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
 # CONFIG_TOUCHSCREEN_TOUCHWIN is not set
 # CONFIG_TOUCHSCREEN_UCB1400 is not set
 # CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
 CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_PCSPKR is not set
 # CONFIG_INPUT_APANEL is not set
@@ -1173,6 +1196,7 @@ CONFIG_SERIO_LIBPS2=y
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
@@ -1223,8 +1247,8 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
 # CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=y
-# CONFIG_HW_RANDOM_INTEL is not set
-# CONFIG_HW_RANDOM_AMD is not set
+CONFIG_HW_RANDOM_INTEL=y
+CONFIG_HW_RANDOM_AMD=y
 CONFIG_HW_RANDOM_GEODE=y
 CONFIG_HW_RANDOM_VIA=y
 CONFIG_NVRAM=y
@@ -1245,7 +1269,6 @@ CONFIG_NVRAM=y
 # CONFIG_CS5535_GPIO is not set
 # CONFIG_RAW_DRIVER is not set
 CONFIG_HPET=y
-# CONFIG_HPET_RTC_IRQ is not set
 # CONFIG_HPET_MMAP is not set
 # CONFIG_HANGCHECK_TIMER is not set
 # CONFIG_TCG_TPM is not set
@@ -1254,43 +1277,64 @@ CONFIG_DEVPORT=y
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
 
 #
 # I2C Hardware Bus support
 #
+
+#
+# PC SMBus host controller drivers
+#
 # CONFIG_I2C_ALI1535 is not set
 # CONFIG_I2C_ALI1563 is not set
 # CONFIG_I2C_ALI15X3 is not set
 # CONFIG_I2C_AMD756 is not set
 # CONFIG_I2C_AMD8111 is not set
 CONFIG_I2C_I801=y
-# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_ISCH is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_NFORCE2 is not set
-# CONFIG_I2C_OCORES is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PROSAVAGE is not set
-# CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_I2C_SIMTEC is not set
-# CONFIG_SCx200_ACB is not set
 # CONFIG_I2C_SIS5595 is not set
 # CONFIG_I2C_SIS630 is not set
 # CONFIG_I2C_SIS96X is not set
-# CONFIG_I2C_TAOS_EVM is not set
-# CONFIG_I2C_STUB is not set
-# CONFIG_I2C_TINY_USB is not set
 # CONFIG_I2C_VIA is not set
 # CONFIG_I2C_VIAPRO is not set
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Graphics adapter I2C/DDC channel drivers
+#
 # CONFIG_I2C_VOODOO3 is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
 # CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_SCx200_ACB is not set
 
 #
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
@@ -1299,6 +1343,8 @@ CONFIG_I2C_I801=y
 # CONFIG_I2C_DEBUG_BUS is not set
 # CONFIG_I2C_DEBUG_CHIP is not set
 # CONFIG_SPI is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+# CONFIG_GPIOLIB is not set
 # CONFIG_W1 is not set
 CONFIG_POWER_SUPPLY=y
 # CONFIG_POWER_SUPPLY_DEBUG is not set
@@ -1360,8 +1406,10 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
 
 #
 # Multimedia devices
@@ -1372,6 +1420,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
 # Multimedia drivers
@@ -1418,7 +1467,6 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 # CONFIG_FB_SYS_IMAGEBLIT is not set
 # CONFIG_FB_FOREIGN_ENDIAN is not set
 # CONFIG_FB_SYS_FOPS is not set
-CONFIG_FB_DEFERRED_IO=y
 # CONFIG_FB_SVGALIB is not set
 # CONFIG_FB_MACMODES is not set
 # CONFIG_FB_BACKLIGHT is not set
@@ -1463,6 +1511,7 @@ CONFIG_FB_EFI=y
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_ARK is not set
 # CONFIG_FB_PM3 is not set
+# CONFIG_FB_CARMINE is not set
 # CONFIG_FB_GEODE is not set
 # CONFIG_FB_VIRTUAL is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
@@ -1470,6 +1519,7 @@ CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
 # CONFIG_BACKLIGHT_CORGI is not set
 # CONFIG_BACKLIGHT_PROGEAR is not set
+# CONFIG_BACKLIGHT_MBP_NVIDIA is not set
 
 #
 # Display device support
@@ -1489,15 +1539,7 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
 CONFIG_LOGO_LINUX_CLUT224=y
-
-#
-# Sound
-#
 CONFIG_SOUND=y
-
-#
-# Advanced Linux Sound Architecture
-#
 CONFIG_SND=y
 CONFIG_SND_TIMER=y
 CONFIG_SND_PCM=y
@@ -1515,20 +1557,14 @@ CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
 CONFIG_SND_VMASTER=y
-
-#
-# Generic devices
-#
+CONFIG_SND_DRIVERS=y
 # CONFIG_SND_PCSP is not set
 # CONFIG_SND_DUMMY is not set
 # CONFIG_SND_VIRMIDI is not set
 # CONFIG_SND_MTPAV is not set
 # CONFIG_SND_SERIAL_U16550 is not set
 # CONFIG_SND_MPU401 is not set
-
-#
-# PCI devices
-#
+CONFIG_SND_PCI=y
 # CONFIG_SND_AD1889 is not set
 # CONFIG_SND_ALS300 is not set
 # CONFIG_SND_ALS4000 is not set
@@ -1603,36 +1639,14 @@ CONFIG_SND_HDA_GENERIC=y
 # CONFIG_SND_VIRTUOSO is not set
 # CONFIG_SND_VX222 is not set
 # CONFIG_SND_YMFPCI is not set
-
-#
-# USB devices
-#
+CONFIG_SND_USB=y
 # CONFIG_SND_USB_AUDIO is not set
 # CONFIG_SND_USB_USX2Y is not set
 # CONFIG_SND_USB_CAIAQ is not set
-
-#
-# PCMCIA devices
-#
+CONFIG_SND_PCMCIA=y
 # CONFIG_SND_VXPOCKET is not set
 # CONFIG_SND_PDAUDIOCF is not set
-
-#
-# System on Chip audio support
-#
 # CONFIG_SND_SOC is not set
-
-#
-# ALSA SoC audio for Freescale SOCs
-#
-
-#
-# SoC Audio for the Texas Instruments OMAP
-#
-
-#
-# Open Sound System
-#
 # CONFIG_SOUND_PRIME is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
@@ -1668,6 +1682,7 @@ CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
 CONFIG_USB_SUSPEND=y
 # CONFIG_USB_OTG is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
@@ -1691,6 +1706,7 @@ CONFIG_USB_UHCI_HCD=y
 #
 # CONFIG_USB_ACM is not set
 CONFIG_USB_PRINTER=y
+# CONFIG_USB_WDM is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1712,6 +1728,7 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_ALAUDA is not set
 # CONFIG_USB_STORAGE_ONETOUCH is not set
 # CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_SIERRA is not set
 # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
 CONFIG_USB_LIBUSUAL=y
 
@@ -1720,7 +1737,6 @@ CONFIG_USB_LIBUSUAL=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -1733,7 +1749,6 @@ CONFIG_USB_MON=y
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -1750,6 +1765,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -1759,7 +1775,9 @@ CONFIG_LEDS_CLASS=y
 #
 # LED drivers
 #
+# CONFIG_LEDS_PCA9532 is not set
 # CONFIG_LEDS_CLEVO_MAIL is not set
+# CONFIG_LEDS_PCA955X is not set
 
 #
 # LED Triggers
@@ -1805,6 +1823,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_PCF8583 is not set
 # CONFIG_RTC_DRV_M41T80 is not set
 # CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
 
 #
 # SPI RTC drivers
@@ -1837,11 +1856,13 @@ CONFIG_DMADEVICES=y
 # Firmware Drivers
 #
 # CONFIG_EDD is not set
+CONFIG_FIRMWARE_MEMMAP=y
 CONFIG_EFI_VARS=y
 # CONFIG_DELL_RBU is not set
 # CONFIG_DCDBAS is not set
 CONFIG_DMIID=y
-# CONFIG_ISCSI_IBFT_FIND is not set
+CONFIG_ISCSI_IBFT_FIND=y
+CONFIG_ISCSI_IBFT=y
 
 #
 # File systems
@@ -1920,14 +1941,27 @@ CONFIG_HUGETLB_PAGE=y
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
 # CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
-# CONFIG_NFS_FS is not set
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+CONFIG_ROOT_NFS=y
 # CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
@@ -2001,9 +2035,9 @@ CONFIG_NLS_UTF8=y
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
-# CONFIG_PRINTK_TIME is not set
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
-# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=2048
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
@@ -2033,6 +2067,7 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
@@ -2043,23 +2078,32 @@ CONFIG_FRAME_POINTER=y
 # CONFIG_LKDTM is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FTRACE=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SYSPROF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
 CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
 # CONFIG_SAMPLES is not set
-# CONFIG_KGDB is not set
 CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
 # CONFIG_STRICT_DEVMEM is not set
+CONFIG_X86_VERBOSE_BOOTUP=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_DEBUG_STACK_USAGE=y
 # CONFIG_DEBUG_PAGEALLOC is not set
+# CONFIG_DEBUG_PER_CPU_MAPS is not set
 # CONFIG_X86_PTDUMP is not set
 CONFIG_DEBUG_RODATA=y
 # CONFIG_DEBUG_RODATA_TEST is not set
 CONFIG_DEBUG_NX_TEST=m
 # CONFIG_4KSTACKS is not set
-CONFIG_X86_FIND_SMP_CONFIG=y
-CONFIG_X86_MPPARSE=y
 CONFIG_DOUBLEFAULT=y
+# CONFIG_MMIOTRACE is not set
 CONFIG_IO_DELAY_TYPE_0X80=0
 CONFIG_IO_DELAY_TYPE_0XED=1
 CONFIG_IO_DELAY_TYPE_UDELAY=2
@@ -2071,6 +2115,7 @@ CONFIG_IO_DELAY_0X80=y
 CONFIG_DEFAULT_IO_DELAY_TYPE=0
 CONFIG_DEBUG_BOOT_PARAMS=y
 # CONFIG_CPA_DEBUG is not set
+# CONFIG_OPTIMIZE_INLINING is not set
 
 #
 # Security options
@@ -2080,7 +2125,6 @@ CONFIG_KEYS_DEBUG_PROC_KEYS=y
 CONFIG_SECURITY=y
 CONFIG_SECURITY_NETWORK=y
 # CONFIG_SECURITY_NETWORK_XFRM is not set
-CONFIG_SECURITY_CAPABILITIES=y
 CONFIG_SECURITY_FILE_CAPABILITIES=y
 # CONFIG_SECURITY_ROOTPLUG is not set
 CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=65536
@@ -2141,6 +2185,10 @@ CONFIG_CRYPTO_HMAC=y
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=y
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
@@ -2151,7 +2199,7 @@ CONFIG_CRYPTO_SHA1=y
 # Ciphers
 #
 CONFIG_CRYPTO_AES=y
-# CONFIG_CRYPTO_AES_586 is not set
+CONFIG_CRYPTO_AES_586=y
 # CONFIG_CRYPTO_ANUBIS is not set
 CONFIG_CRYPTO_ARC4=y
 # CONFIG_CRYPTO_BLOWFISH is not set
@@ -2193,6 +2241,7 @@ CONFIG_GENERIC_FIND_FIRST_BIT=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+CONFIG_CRC_T10DIF=y
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index a4045242962..678c8acefe0 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -1,13 +1,13 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc1
-# Sun May  4 19:59:57 2008
+# Linux kernel version: 2.6.27-rc4
+# Mon Aug 25 14:40:46 2008
 #
 CONFIG_64BIT=y
 # CONFIG_X86_32 is not set
 CONFIG_X86_64=y
 CONFIG_X86=y
-CONFIG_DEFCONFIG_LIST="arch/x86/configs/x86_64_defconfig"
+CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
 # CONFIG_GENERIC_LOCKBREAK is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CMOS_UPDATE=y
@@ -53,6 +53,7 @@ CONFIG_X86_HT=y
 CONFIG_X86_BIOS_REBOOT=y
 CONFIG_X86_TRAMPOLINE=y
 # CONFIG_KTIME_SCALAR is not set
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
 # General setup
@@ -82,6 +83,7 @@ CONFIG_CGROUPS=y
 CONFIG_CGROUP_NS=y
 # CONFIG_CGROUP_DEVICE is not set
 CONFIG_CPUSETS=y
+CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
 CONFIG_GROUP_SCHED=y
 CONFIG_FAIR_GROUP_SCHED=y
 # CONFIG_RT_GROUP_SCHED is not set
@@ -105,7 +107,6 @@ CONFIG_SYSCTL=y
 # CONFIG_EMBEDDED is not set
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
@@ -113,6 +114,7 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_PCSPKR_PLATFORM=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
@@ -132,25 +134,33 @@ CONFIG_MARKERS=y
 # CONFIG_OPROFILE is not set
 CONFIG_HAVE_OPROFILE=y
 CONFIG_KPROBES=y
+CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
 CONFIG_KRETPROBES=y
+CONFIG_HAVE_IOREMAP_PROT=y
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_ARCH_TRACEHOOK is not set
 # CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_USE_GENERIC_SMP_HELPERS=y
+# CONFIG_HAVE_CLK is not set
 CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
+CONFIG_KMOD=y
 CONFIG_STOP_MACHINE=y
 CONFIG_BLOCK=y
 CONFIG_BLK_DEV_IO_TRACE=y
 CONFIG_BLK_DEV_BSG=y
+# CONFIG_BLK_DEV_INTEGRITY is not set
 CONFIG_BLOCK_COMPAT=y
 
 #
@@ -175,20 +185,15 @@ CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_SMP=y
+CONFIG_X86_FIND_SMP_CONFIG=y
+CONFIG_X86_MPPARSE=y
 CONFIG_X86_PC=y
 # CONFIG_X86_ELAN is not set
 # CONFIG_X86_VOYAGER is not set
-# CONFIG_X86_NUMAQ is not set
-# CONFIG_X86_SUMMIT is not set
-# CONFIG_X86_BIGSMP is not set
-# CONFIG_X86_VISWS is not set
 # CONFIG_X86_GENERICARCH is not set
-# CONFIG_X86_ES7000 is not set
-# CONFIG_X86_RDC321X is not set
 # CONFIG_X86_VSMP is not set
 # CONFIG_PARAVIRT_GUEST is not set
-CONFIG_MEMTEST_BOOTPARAM=y
-CONFIG_MEMTEST_BOOTPARAM_VALUE=0
+# CONFIG_MEMTEST is not set
 # CONFIG_M386 is not set
 # CONFIG_M486 is not set
 # CONFIG_M586 is not set
@@ -220,11 +225,12 @@ CONFIG_X86_L1_CACHE_BYTES=64
 CONFIG_X86_INTERNODE_CACHE_BYTES=64
 CONFIG_X86_CMPXCHG=y
 CONFIG_X86_L1_CACHE_SHIFT=6
-CONFIG_X86_GOOD_APIC=y
+CONFIG_X86_WP_WORKS_OK=y
 CONFIG_X86_INTEL_USERCOPY=y
 CONFIG_X86_USE_PPRO_CHECKSUM=y
 CONFIG_X86_P6_NOP=y
 CONFIG_X86_TSC=y
+CONFIG_X86_CMPXCHG64=y
 CONFIG_X86_CMOV=y
 CONFIG_X86_MINIMUM_CPU_FAMILY=64
 CONFIG_X86_DEBUGCTLMSR=y
@@ -234,8 +240,10 @@ CONFIG_DMI=y
 CONFIG_GART_IOMMU=y
 CONFIG_CALGARY_IOMMU=y
 CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y
+CONFIG_AMD_IOMMU=y
 CONFIG_SWIOTLB=y
 CONFIG_IOMMU_HELPER=y
+# CONFIG_MAXSMP is not set
 CONFIG_NR_CPUS=4
 # CONFIG_SCHED_SMT is not set
 CONFIG_SCHED_MC=y
@@ -281,6 +289,7 @@ CONFIG_ZONE_DMA_FLAG=1
 CONFIG_BOUNCE=y
 CONFIG_VIRT_TO_BUS=y
 CONFIG_MTRR=y
+# CONFIG_MTRR_SANITIZER is not set
 # CONFIG_X86_PAT is not set
 CONFIG_EFI=y
 CONFIG_SECCOMP=y
@@ -313,6 +322,7 @@ CONFIG_PM_TRACE_RTC=y
 CONFIG_PM_SLEEP_SMP=y
 CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
+# CONFIG_PM_TEST_SUSPEND is not set
 CONFIG_SUSPEND_FREEZER=y
 CONFIG_HIBERNATION=y
 CONFIG_PM_STD_PARTITION=""
@@ -339,6 +349,7 @@ CONFIG_ACPI_NUMA=y
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
 CONFIG_ACPI_EC=y
+# CONFIG_ACPI_PCI_SLOT is not set
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_SYSTEM=y
 CONFIG_X86_PM_TIMER=y
@@ -437,10 +448,6 @@ CONFIG_IA32_EMULATION=y
 CONFIG_COMPAT=y
 CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
 CONFIG_SYSVIPC_COMPAT=y
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
@@ -464,7 +471,10 @@ CONFIG_IP_FIB_HASH=y
 CONFIG_IP_MULTIPLE_TABLES=y
 CONFIG_IP_ROUTE_MULTIPATH=y
 CONFIG_IP_ROUTE_VERBOSE=y
-# CONFIG_IP_PNP is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE is not set
 CONFIG_IP_MROUTE=y
@@ -607,7 +617,6 @@ CONFIG_NET_SCHED=y
 # CONFIG_NET_SCH_HTB is not set
 # CONFIG_NET_SCH_HFSC is not set
 # CONFIG_NET_SCH_PRIO is not set
-# CONFIG_NET_SCH_RR is not set
 # CONFIG_NET_SCH_RED is not set
 # CONFIG_NET_SCH_SFQ is not set
 # CONFIG_NET_SCH_TEQL is not set
@@ -669,28 +678,19 @@ CONFIG_FIB_RULES=y
 CONFIG_CFG80211=y
 CONFIG_NL80211=y
 CONFIG_WIRELESS_EXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
 CONFIG_MAC80211=y
 
 #
 # Rate control algorithm selection
 #
+CONFIG_MAC80211_RC_PID=y
 CONFIG_MAC80211_RC_DEFAULT_PID=y
-# CONFIG_MAC80211_RC_DEFAULT_NONE is not set
-
-#
-# Selecting 'y' for an algorithm will
-#
-
-#
-# build the algorithm into mac80211.
-#
 CONFIG_MAC80211_RC_DEFAULT="pid"
-CONFIG_MAC80211_RC_PID=y
 # CONFIG_MAC80211_MESH is not set
 CONFIG_MAC80211_LEDS=y
 # CONFIG_MAC80211_DEBUGFS is not set
-# CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT is not set
-# CONFIG_MAC80211_DEBUG is not set
+# CONFIG_MAC80211_DEBUG_MENU is not set
 # CONFIG_IEEE80211 is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
@@ -706,6 +706,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
 CONFIG_DEBUG_DEVRES=y
 # CONFIG_SYS_HYPERVISOR is not set
@@ -738,6 +740,7 @@ CONFIG_BLK_DEV_RAM_SIZE=16384
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_IBM_ASM is not set
 # CONFIG_PHANTOM is not set
@@ -748,10 +751,14 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_ASUS_LAPTOP is not set
 # CONFIG_FUJITSU_LAPTOP is not set
 # CONFIG_MSI_LAPTOP is not set
+# CONFIG_COMPAL_LAPTOP is not set
 # CONFIG_SONY_LAPTOP is not set
 # CONFIG_THINKPAD_ACPI is not set
 # CONFIG_INTEL_MENLOW is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_SGI_XP is not set
+# CONFIG_HP_ILO is not set
+# CONFIG_SGI_GRU is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -790,12 +797,13 @@ CONFIG_SCSI_WAIT_SCAN=m
 #
 CONFIG_SCSI_SPI_ATTRS=y
 # CONFIG_SCSI_FC_ATTRS is not set
-# CONFIG_SCSI_ISCSI_ATTRS is not set
+CONFIG_SCSI_ISCSI_ATTRS=y
 # CONFIG_SCSI_SAS_ATTRS is not set
 # CONFIG_SCSI_SAS_LIBSAS is not set
 # CONFIG_SCSI_SRP_ATTRS is not set
 # CONFIG_SCSI_LOWLEVEL is not set
 # CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
+# CONFIG_SCSI_DH is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
 CONFIG_ATA_ACPI=y
@@ -857,6 +865,7 @@ CONFIG_PATA_OLDPIIX=y
 # CONFIG_PATA_SIS is not set
 # CONFIG_PATA_VIA is not set
 # CONFIG_PATA_WINBOND is not set
+CONFIG_PATA_SCH=y
 CONFIG_MD=y
 CONFIG_BLK_DEV_MD=y
 # CONFIG_MD_LINEAR is not set
@@ -880,13 +889,16 @@ CONFIG_DM_ZERO=y
 #
 # IEEE 1394 (FireWire) support
 #
+
+#
+# Enable only one of the two stacks, unless you know what you are doing
+#
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_MACINTOSH_DRIVERS=y
 CONFIG_MAC_EMUMOUSEBTN=y
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_IFB is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
@@ -896,7 +908,23 @@ CONFIG_NETDEVICES=y
 # CONFIG_VETH is not set
 # CONFIG_NET_SB1000 is not set
 # CONFIG_ARCNET is not set
-# CONFIG_PHYLIB is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 # CONFIG_HAPPYMEAL is not set
@@ -940,16 +968,15 @@ CONFIG_8139TOO_PIO=y
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
 # CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
 # CONFIG_SC92031 is not set
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 CONFIG_E1000=y
-# CONFIG_E1000_NAPI is not set
 # CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
 # CONFIG_E1000E is not set
-# CONFIG_E1000E_ENABLED is not set
 # CONFIG_IP1000 is not set
 # CONFIG_IGB is not set
 # CONFIG_NS83820 is not set
@@ -965,6 +992,7 @@ CONFIG_TIGON3=y
 # CONFIG_BNX2 is not set
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
+# CONFIG_ATL1E is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
@@ -1003,13 +1031,14 @@ CONFIG_WLAN_80211=y
 # CONFIG_RTL8180 is not set
 # CONFIG_RTL8187 is not set
 # CONFIG_ADM8211 is not set
+# CONFIG_MAC80211_HWSIM is not set
 # CONFIG_P54_COMMON is not set
 CONFIG_ATH5K=y
 # CONFIG_ATH5K_DEBUG is not set
-# CONFIG_IWLWIFI is not set
+# CONFIG_ATH9K is not set
 # CONFIG_IWLCORE is not set
 # CONFIG_IWLWIFI_LEDS is not set
-# CONFIG_IWL4965 is not set
+# CONFIG_IWLAGN is not set
 # CONFIG_IWL3945 is not set
 # CONFIG_HOSTAP is not set
 # CONFIG_B43 is not set
@@ -1088,6 +1117,7 @@ CONFIG_MOUSE_PS2_TRACKPOINT=y
 # CONFIG_MOUSE_PS2_TOUCHKIT is not set
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_APPLETOUCH is not set
+# CONFIG_MOUSE_BCM5974 is not set
 # CONFIG_MOUSE_VSXXXAA is not set
 CONFIG_INPUT_JOYSTICK=y
 # CONFIG_JOYSTICK_ANALOG is not set
@@ -1122,12 +1152,14 @@ CONFIG_INPUT_TOUCHSCREEN=y
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
 # CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
 # CONFIG_TOUCHSCREEN_MK712 is not set
 # CONFIG_TOUCHSCREEN_PENMOUNT is not set
 # CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
 # CONFIG_TOUCHSCREEN_TOUCHWIN is not set
 # CONFIG_TOUCHSCREEN_UCB1400 is not set
 # CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
 CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_PCSPKR is not set
 # CONFIG_INPUT_APANEL is not set
@@ -1155,6 +1187,7 @@ CONFIG_SERIO_LIBPS2=y
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
@@ -1222,7 +1255,6 @@ CONFIG_NVRAM=y
 # CONFIG_PC8736x_GPIO is not set
 # CONFIG_RAW_DRIVER is not set
 CONFIG_HPET=y
-# CONFIG_HPET_RTC_IRQ is not set
 # CONFIG_HPET_MMAP is not set
 # CONFIG_HANGCHECK_TIMER is not set
 # CONFIG_TCG_TPM is not set
@@ -1231,42 +1263,63 @@ CONFIG_DEVPORT=y
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
 
 #
 # I2C Hardware Bus support
 #
+
+#
+# PC SMBus host controller drivers
+#
 # CONFIG_I2C_ALI1535 is not set
 # CONFIG_I2C_ALI1563 is not set
 # CONFIG_I2C_ALI15X3 is not set
 # CONFIG_I2C_AMD756 is not set
 # CONFIG_I2C_AMD8111 is not set
 CONFIG_I2C_I801=y
-# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_ISCH is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_NFORCE2 is not set
-# CONFIG_I2C_OCORES is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PROSAVAGE is not set
-# CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_I2C_SIMTEC is not set
 # CONFIG_I2C_SIS5595 is not set
 # CONFIG_I2C_SIS630 is not set
 # CONFIG_I2C_SIS96X is not set
-# CONFIG_I2C_TAOS_EVM is not set
-# CONFIG_I2C_STUB is not set
-# CONFIG_I2C_TINY_USB is not set
 # CONFIG_I2C_VIA is not set
 # CONFIG_I2C_VIAPRO is not set
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Graphics adapter I2C/DDC channel drivers
+#
 # CONFIG_I2C_VOODOO3 is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
 # CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
 
 #
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
@@ -1275,6 +1328,8 @@ CONFIG_I2C_I801=y
 # CONFIG_I2C_DEBUG_BUS is not set
 # CONFIG_I2C_DEBUG_CHIP is not set
 # CONFIG_SPI is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+# CONFIG_GPIOLIB is not set
 # CONFIG_W1 is not set
 CONFIG_POWER_SUPPLY=y
 # CONFIG_POWER_SUPPLY_DEBUG is not set
@@ -1335,8 +1390,10 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
 
 #
 # Multimedia devices
@@ -1347,6 +1404,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
 # Multimedia drivers
@@ -1387,7 +1445,6 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 # CONFIG_FB_SYS_IMAGEBLIT is not set
 # CONFIG_FB_FOREIGN_ENDIAN is not set
 # CONFIG_FB_SYS_FOPS is not set
-CONFIG_FB_DEFERRED_IO=y
 # CONFIG_FB_SVGALIB is not set
 # CONFIG_FB_MACMODES is not set
 # CONFIG_FB_BACKLIGHT is not set
@@ -1430,6 +1487,7 @@ CONFIG_FB_EFI=y
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_ARK is not set
 # CONFIG_FB_PM3 is not set
+# CONFIG_FB_CARMINE is not set
 # CONFIG_FB_GEODE is not set
 # CONFIG_FB_VIRTUAL is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
@@ -1437,6 +1495,7 @@ CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
 # CONFIG_BACKLIGHT_CORGI is not set
 # CONFIG_BACKLIGHT_PROGEAR is not set
+# CONFIG_BACKLIGHT_MBP_NVIDIA is not set
 
 #
 # Display device support
@@ -1456,15 +1515,7 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
 CONFIG_LOGO_LINUX_CLUT224=y
-
-#
-# Sound
-#
 CONFIG_SOUND=y
-
-#
-# Advanced Linux Sound Architecture
-#
 CONFIG_SND=y
 CONFIG_SND_TIMER=y
 CONFIG_SND_PCM=y
@@ -1482,20 +1533,14 @@ CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
 CONFIG_SND_VMASTER=y
-
-#
-# Generic devices
-#
+CONFIG_SND_DRIVERS=y
 # CONFIG_SND_PCSP is not set
 # CONFIG_SND_DUMMY is not set
 # CONFIG_SND_VIRMIDI is not set
 # CONFIG_SND_MTPAV is not set
 # CONFIG_SND_SERIAL_U16550 is not set
 # CONFIG_SND_MPU401 is not set
-
-#
-# PCI devices
-#
+CONFIG_SND_PCI=y
 # CONFIG_SND_AD1889 is not set
 # CONFIG_SND_ALS300 is not set
 # CONFIG_SND_ALS4000 is not set
@@ -1568,36 +1613,14 @@ CONFIG_SND_HDA_GENERIC=y
 # CONFIG_SND_VIRTUOSO is not set
 # CONFIG_SND_VX222 is not set
 # CONFIG_SND_YMFPCI is not set
-
-#
-# USB devices
-#
+CONFIG_SND_USB=y
 # CONFIG_SND_USB_AUDIO is not set
 # CONFIG_SND_USB_USX2Y is not set
 # CONFIG_SND_USB_CAIAQ is not set
-
-#
-# PCMCIA devices
-#
+CONFIG_SND_PCMCIA=y
 # CONFIG_SND_VXPOCKET is not set
 # CONFIG_SND_PDAUDIOCF is not set
-
-#
-# System on Chip audio support
-#
 # CONFIG_SND_SOC is not set
-
-#
-# ALSA SoC audio for Freescale SOCs
-#
-
-#
-# SoC Audio for the Texas Instruments OMAP
-#
-
-#
-# Open Sound System
-#
 # CONFIG_SOUND_PRIME is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
@@ -1633,6 +1656,7 @@ CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
 CONFIG_USB_SUSPEND=y
 # CONFIG_USB_OTG is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
@@ -1656,6 +1680,7 @@ CONFIG_USB_UHCI_HCD=y
 #
 # CONFIG_USB_ACM is not set
 CONFIG_USB_PRINTER=y
+# CONFIG_USB_WDM is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
@@ -1677,6 +1702,7 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_ALAUDA is not set
 # CONFIG_USB_STORAGE_ONETOUCH is not set
 # CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_SIERRA is not set
 # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
 CONFIG_USB_LIBUSUAL=y
 
@@ -1685,7 +1711,6 @@ CONFIG_USB_LIBUSUAL=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -1698,7 +1723,6 @@ CONFIG_USB_MON=y
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
@@ -1715,6 +1739,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -1724,7 +1749,9 @@ CONFIG_LEDS_CLASS=y
 #
 # LED drivers
 #
+# CONFIG_LEDS_PCA9532 is not set
 # CONFIG_LEDS_CLEVO_MAIL is not set
+# CONFIG_LEDS_PCA955X is not set
 
 #
 # LED Triggers
@@ -1770,6 +1797,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_PCF8583 is not set
 # CONFIG_RTC_DRV_M41T80 is not set
 # CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
 
 #
 # SPI RTC drivers
@@ -1802,11 +1830,13 @@ CONFIG_DMADEVICES=y
 # Firmware Drivers
 #
 # CONFIG_EDD is not set
+CONFIG_FIRMWARE_MEMMAP=y
 CONFIG_EFI_VARS=y
 # CONFIG_DELL_RBU is not set
 # CONFIG_DCDBAS is not set
 CONFIG_DMIID=y
-# CONFIG_ISCSI_IBFT_FIND is not set
+CONFIG_ISCSI_IBFT_FIND=y
+CONFIG_ISCSI_IBFT=y
 
 #
 # File systems
@@ -1886,14 +1916,27 @@ CONFIG_HUGETLB_PAGE=y
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
 # CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
-# CONFIG_NFS_FS is not set
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+CONFIG_ROOT_NFS=y
 # CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
@@ -1967,9 +2010,9 @@ CONFIG_NLS_UTF8=y
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
-# CONFIG_PRINTK_TIME is not set
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
-# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=2048
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
@@ -1998,6 +2041,7 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
@@ -2008,11 +2052,20 @@ CONFIG_FRAME_POINTER=y
 # CONFIG_LKDTM is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FTRACE=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SYSPROF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
 CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
 # CONFIG_SAMPLES is not set
-# CONFIG_KGDB is not set
 CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
 # CONFIG_STRICT_DEVMEM is not set
+CONFIG_X86_VERBOSE_BOOTUP=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_DEBUG_STACK_USAGE=y
@@ -2023,8 +2076,8 @@ CONFIG_DEBUG_RODATA=y
 # CONFIG_DIRECT_GBPAGES is not set
 # CONFIG_DEBUG_RODATA_TEST is not set
 CONFIG_DEBUG_NX_TEST=m
-CONFIG_X86_MPPARSE=y
 # CONFIG_IOMMU_DEBUG is not set
+# CONFIG_MMIOTRACE is not set
 CONFIG_IO_DELAY_TYPE_0X80=0
 CONFIG_IO_DELAY_TYPE_0XED=1
 CONFIG_IO_DELAY_TYPE_UDELAY=2
@@ -2036,6 +2089,7 @@ CONFIG_IO_DELAY_0X80=y
 CONFIG_DEFAULT_IO_DELAY_TYPE=0
 CONFIG_DEBUG_BOOT_PARAMS=y
 # CONFIG_CPA_DEBUG is not set
+# CONFIG_OPTIMIZE_INLINING is not set
 
 #
 # Security options
@@ -2045,7 +2099,6 @@ CONFIG_KEYS_DEBUG_PROC_KEYS=y
 CONFIG_SECURITY=y
 CONFIG_SECURITY_NETWORK=y
 # CONFIG_SECURITY_NETWORK_XFRM is not set
-CONFIG_SECURITY_CAPABILITIES=y
 CONFIG_SECURITY_FILE_CAPABILITIES=y
 # CONFIG_SECURITY_ROOTPLUG is not set
 CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=65536
@@ -2106,6 +2159,10 @@ CONFIG_CRYPTO_HMAC=y
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=y
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
@@ -2155,6 +2212,7 @@ CONFIG_GENERIC_FIND_FIRST_BIT=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+CONFIG_CRC_T10DIF=y
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index fa88a1d7129..bfd10fd211c 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -97,6 +97,8 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
 #warning ACPI uses CMPXCHG, i486 and later hardware
 #endif
 
+static int acpi_mcfg_64bit_base_addr __initdata = FALSE;
+
 /* --------------------------------------------------------------------------
                               Boot-time Configuration
    -------------------------------------------------------------------------- */
@@ -158,6 +160,14 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
 struct acpi_mcfg_allocation *pci_mmcfg_config;
 int pci_mmcfg_config_num;
 
+static int __init acpi_mcfg_oem_check(struct acpi_table_mcfg *mcfg)
+{
+	if (!strcmp(mcfg->header.oem_id, "SGI"))
+		acpi_mcfg_64bit_base_addr = TRUE;
+
+	return 0;
+}
+
 int __init acpi_parse_mcfg(struct acpi_table_header *header)
 {
 	struct acpi_table_mcfg *mcfg;
@@ -190,8 +200,12 @@ int __init acpi_parse_mcfg(struct acpi_table_header *header)
 	}
 
 	memcpy(pci_mmcfg_config, &mcfg[1], config_size);
+
+	acpi_mcfg_oem_check(mcfg);
+
 	for (i = 0; i < pci_mmcfg_config_num; ++i) {
-		if (pci_mmcfg_config[i].address > 0xFFFFFFFF) {
+		if ((pci_mmcfg_config[i].address > 0xFFFFFFFF) &&
+		    !acpi_mcfg_64bit_base_addr) {
 			printk(KERN_ERR PREFIX
 			       "MMCONFIG not in low 4GB of memory\n");
 			kfree(pci_mmcfg_config);
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index fa2161d5003..426e5d91b63 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -20,7 +20,7 @@ unsigned long acpi_realmode_flags;
 /* address in low memory of the wakeup routine. */
 static unsigned long acpi_realmode;
 
-#ifdef CONFIG_64BIT
+#if defined(CONFIG_SMP) && defined(CONFIG_64BIT)
 static char temp_stack[10240];
 #endif
 
@@ -86,7 +86,7 @@ int acpi_save_state_mem(void)
 #endif /* !CONFIG_64BIT */
 
 	header->pmode_cr0 = read_cr0();
-	header->pmode_cr4 = read_cr4();
+	header->pmode_cr4 = read_cr4_safe();
 	header->realmode_flags = acpi_realmode_flags;
 	header->real_magic = 0x12345678;
 
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 2763cb37b55..65a0c1b4869 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -145,35 +145,25 @@ static const unsigned char *const p6_nops[ASM_NOP_MAX+1] = {
 extern char __vsyscall_0;
 const unsigned char *const *find_nop_table(void)
 {
-	return boot_cpu_data.x86_vendor != X86_VENDOR_INTEL ||
-	       boot_cpu_data.x86 < 6 ? k8_nops : p6_nops;
+	if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL &&
+	    boot_cpu_has(X86_FEATURE_NOPL))
+		return p6_nops;
+	else
+		return k8_nops;
 }
 
 #else /* CONFIG_X86_64 */
 
-static const struct nop {
-	int cpuid;
-	const unsigned char *const *noptable;
-} noptypes[] = {
-	{ X86_FEATURE_K8, k8_nops },
-	{ X86_FEATURE_K7, k7_nops },
-	{ X86_FEATURE_P4, p6_nops },
-	{ X86_FEATURE_P3, p6_nops },
-	{ -1, NULL }
-};
-
 const unsigned char *const *find_nop_table(void)
 {
-	const unsigned char *const *noptable = intel_nops;
-	int i;
-
-	for (i = 0; noptypes[i].cpuid >= 0; i++) {
-		if (boot_cpu_has(noptypes[i].cpuid)) {
-			noptable = noptypes[i].noptable;
-			break;
-		}
-	}
-	return noptable;
+	if (boot_cpu_has(X86_FEATURE_K8))
+		return k8_nops;
+	else if (boot_cpu_has(X86_FEATURE_K7))
+		return k7_nops;
+	else if (boot_cpu_has(X86_FEATURE_NOPL))
+		return p6_nops;
+	else
+		return intel_nops;
 }
 
 #endif /* CONFIG_X86_64 */
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 22d7d050905..69b4d060b21 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -65,7 +65,7 @@ static int __iommu_queue_command(struct amd_iommu *iommu, struct iommu_cmd *cmd)
 	u8 *target;
 
 	tail = readl(iommu->mmio_base + MMIO_CMD_TAIL_OFFSET);
-	target = (iommu->cmd_buf + tail);
+	target = iommu->cmd_buf + tail;
 	memcpy_toio(target, cmd, sizeof(*cmd));
 	tail = (tail + sizeof(*cmd)) % iommu->cmd_buf_size;
 	head = readl(iommu->mmio_base + MMIO_CMD_HEAD_OFFSET);
@@ -101,16 +101,13 @@ static int iommu_queue_command(struct amd_iommu *iommu, struct iommu_cmd *cmd)
  */
 static int iommu_completion_wait(struct amd_iommu *iommu)
 {
-	int ret;
+	int ret, ready = 0;
+	unsigned status = 0;
 	struct iommu_cmd cmd;
-	volatile u64 ready = 0;
-	unsigned long ready_phys = virt_to_phys(&ready);
 	unsigned long i = 0;
 
 	memset(&cmd, 0, sizeof(cmd));
-	cmd.data[0] = LOW_U32(ready_phys) | CMD_COMPL_WAIT_STORE_MASK;
-	cmd.data[1] = upper_32_bits(ready_phys);
-	cmd.data[2] = 1; /* value written to 'ready' */
+	cmd.data[0] = CMD_COMPL_WAIT_INT_MASK;
 	CMD_SET_TYPE(&cmd, CMD_COMPL_WAIT);
 
 	iommu->need_sync = 0;
@@ -122,9 +119,15 @@ static int iommu_completion_wait(struct amd_iommu *iommu)
 
 	while (!ready && (i < EXIT_LOOP_COUNT)) {
 		++i;
-		cpu_relax();
+		/* wait for the bit to become one */
+		status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET);
+		ready = status & MMIO_STATUS_COM_WAIT_INT_MASK;
 	}
 
+	/* set bit back to zero */
+	status &= ~MMIO_STATUS_COM_WAIT_INT_MASK;
+	writel(status, iommu->mmio_base + MMIO_STATUS_OFFSET);
+
 	if (unlikely((i == EXIT_LOOP_COUNT) && printk_ratelimit()))
 		printk(KERN_WARNING "AMD IOMMU: Completion wait loop failed\n");
 
@@ -161,7 +164,7 @@ static int iommu_queue_inv_iommu_pages(struct amd_iommu *iommu,
 	address &= PAGE_MASK;
 	CMD_SET_TYPE(&cmd, CMD_INV_IOMMU_PAGES);
 	cmd.data[1] |= domid;
-	cmd.data[2] = LOW_U32(address);
+	cmd.data[2] = lower_32_bits(address);
 	cmd.data[3] = upper_32_bits(address);
 	if (s) /* size bit - we flush more than one 4kb page */
 		cmd.data[2] |= CMD_INV_IOMMU_PAGES_SIZE_MASK;
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index d9a9da597e7..a69cc0f5204 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -801,6 +801,21 @@ static int __init init_memory_definitions(struct acpi_table_header *table)
 }
 
 /*
+ * Init the device table to not allow DMA access for devices and
+ * suppress all page faults
+ */
+static void init_device_table(void)
+{
+	u16 devid;
+
+	for (devid = 0; devid <= amd_iommu_last_bdf; ++devid) {
+		set_dev_entry_bit(devid, DEV_ENTRY_VALID);
+		set_dev_entry_bit(devid, DEV_ENTRY_TRANSLATION);
+		set_dev_entry_bit(devid, DEV_ENTRY_NO_PAGE_FAULT);
+	}
+}
+
+/*
  * This function finally enables all IOMMUs found in the system after
  * they have been initialized
  */
@@ -931,6 +946,9 @@ int __init amd_iommu_init(void)
 	if (amd_iommu_pd_alloc_bitmap == NULL)
 		goto free;
 
+	/* init the device table */
+	init_device_table();
+
 	/*
 	 * let all alias entries point to itself
 	 */
@@ -954,15 +972,15 @@ int __init amd_iommu_init(void)
 	if (acpi_table_parse("IVRS", init_memory_definitions) != 0)
 		goto free;
 
-	ret = amd_iommu_init_dma_ops();
+	ret = sysdev_class_register(&amd_iommu_sysdev_class);
 	if (ret)
 		goto free;
 
-	ret = sysdev_class_register(&amd_iommu_sysdev_class);
+	ret = sysdev_register(&device_amd_iommu);
 	if (ret)
 		goto free;
 
-	ret = sysdev_register(&device_amd_iommu);
+	ret = amd_iommu_init_dma_ops();
 	if (ret)
 		goto free;
 
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index d6c89835837..f88bd0d982b 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1454,8 +1454,6 @@ void disconnect_bsp_APIC(int virt_wire_setup)
 	}
 }
 
-unsigned int __cpuinitdata maxcpus = NR_CPUS;
-
 void __cpuinit generic_processor_info(int apicid, int version)
 {
 	int cpu;
@@ -1482,12 +1480,6 @@ void __cpuinit generic_processor_info(int apicid, int version)
 		return;
 	}
 
-	if (num_processors >= maxcpus) {
-		printk(KERN_WARNING "WARNING: maxcpus limit of %i reached."
-			" Processor ignored.\n", maxcpus);
-		return;
-	}
-
 	num_processors++;
 	cpus_complement(tmp_map, cpu_present_map);
 	cpu = first_cpu(tmp_map);
@@ -1720,15 +1712,19 @@ static int __init parse_lapic_timer_c2_ok(char *arg)
 }
 early_param("lapic_timer_c2_ok", parse_lapic_timer_c2_ok);
 
-static int __init apic_set_verbosity(char *str)
+static int __init apic_set_verbosity(char *arg)
 {
-	if (strcmp("debug", str) == 0)
+	if (!arg)
+		return -EINVAL;
+
+	if (strcmp(arg, "debug") == 0)
 		apic_verbosity = APIC_DEBUG;
-	else if (strcmp("verbose", str) == 0)
+	else if (strcmp(arg, "verbose") == 0)
 		apic_verbosity = APIC_VERBOSE;
-	return 1;
+
+	return 0;
 }
-__setup("apic=", apic_set_verbosity);
+early_param("apic", apic_set_verbosity);
 
 static int __init lapic_insert_resource(void)
 {
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 7f1f030da7e..446c062e831 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -90,7 +90,6 @@ static unsigned long apic_phys;
 
 unsigned long mp_lapic_addr;
 
-unsigned int __cpuinitdata maxcpus = NR_CPUS;
 /*
  * Get the LAPIC version
  */
@@ -1062,12 +1061,6 @@ void __cpuinit generic_processor_info(int apicid, int version)
 		return;
 	}
 
-	if (num_processors >= maxcpus) {
-		printk(KERN_WARNING "WARNING: maxcpus limit of %i reached."
-		       " Processor ignored.\n", maxcpus);
-		return;
-	}
-
 	num_processors++;
 	cpus_complement(tmp_map, cpu_present_map);
 	cpu = first_cpu(tmp_map);
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index 84a8220a607..a6ef672adbb 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -56,9 +56,22 @@ void __cpuinit validate_pat_support(struct cpuinfo_x86 *c)
 
 	switch (c->x86_vendor) {
 	case X86_VENDOR_INTEL:
-		if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 15))
+		/*
+		 * There is a known erratum on Pentium III and Core Solo
+		 * and Core Duo CPUs.
+		 * " Page with PAT set to WC while associated MTRR is UC
+		 *   may consolidate to UC "
+		 * Because of this erratum, it is better to stick with
+		 * setting WC in MTRR rather than using PAT on these CPUs.
+		 *
+		 * Enable PAT WC only on P4, Core 2 or later CPUs.
+		 */
+		if (c->x86 > 0x6 || (c->x86 == 6 && c->x86_model >= 15))
 			return;
-		break;
+
+		pat_disable("PAT WC disabled due to known CPU erratum.");
+		return;
+
 	case X86_VENDOR_AMD:
 	case X86_VENDOR_CENTAUR:
 	case X86_VENDOR_TRANSMETA:
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index cae9cabc303..18514ed2610 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -31,6 +31,11 @@ static void __cpuinit early_init_amd(struct cpuinfo_x86 *c)
 		if (c->x86_power & (1<<8))
 			set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
 	}
+
+	/*  Set MTRR capability flag if appropriate */
+	if (c->x86_model == 13 || c->x86_model == 9 ||
+	   (c->x86_model == 8 && c->x86_mask >= 8))
+		set_cpu_cap(c, X86_FEATURE_K6_MTRR);
 }
 
 static void __cpuinit init_amd(struct cpuinfo_x86 *c)
@@ -166,10 +171,6 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
 						mbytes);
 				}
 
-				/*  Set MTRR capability flag if appropriate */
-				if (c->x86_model == 13 || c->x86_model == 9 ||
-				   (c->x86_model == 8 && c->x86_mask >= 8))
-					set_cpu_cap(c, X86_FEATURE_K6_MTRR);
 				break;
 			}
 
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index c9b58a806e8..c8e315f1aa8 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -50,6 +50,8 @@ static double __initdata y = 3145727.0;
  */
 static void __init check_fpu(void)
 {
+	s32 fdiv_bug;
+
 	if (!boot_cpu_data.hard_math) {
 #ifndef CONFIG_MATH_EMULATION
 		printk(KERN_EMERG "No coprocessor found and no math emulation present.\n");
@@ -74,8 +76,10 @@ static void __init check_fpu(void)
 		"fistpl %0\n\t"
 		"fwait\n\t"
 		"fninit"
-		: "=m" (*&boot_cpu_data.fdiv_bug)
+		: "=m" (*&fdiv_bug)
 		: "m" (*&x), "m" (*&y));
+
+	boot_cpu_data.fdiv_bug = fdiv_bug;
 	if (boot_cpu_data.fdiv_bug)
 		printk("Hmm, FPU with FDIV bug.\n");
 }
diff --git a/arch/x86/kernel/cpu/centaur.c b/arch/x86/kernel/cpu/centaur.c
index e0f45edd6a5..a0534c04d38 100644
--- a/arch/x86/kernel/cpu/centaur.c
+++ b/arch/x86/kernel/cpu/centaur.c
@@ -314,6 +314,16 @@ enum {
 		EAMD3D		= 1<<20,
 };
 
+static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
+{
+	switch (c->x86) {
+	case 5:
+		/* Emulate MTRRs using Centaur's MCR. */
+		set_cpu_cap(c, X86_FEATURE_CENTAUR_MCR);
+		break;
+	}
+}
+
 static void __cpuinit init_centaur(struct cpuinfo_x86 *c)
 {
 
@@ -462,6 +472,7 @@ centaur_size_cache(struct cpuinfo_x86 *c, unsigned int size)
 static struct cpu_dev centaur_cpu_dev __cpuinitdata = {
 	.c_vendor	= "Centaur",
 	.c_ident	= { "CentaurHauls" },
+	.c_early_init	= early_init_centaur,
 	.c_init		= init_centaur,
 	.c_size_cache	= centaur_size_cache,
 };
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 80ab20d4fa3..8aab8517642 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -13,6 +13,7 @@
 #include <asm/mtrr.h>
 #include <asm/mce.h>
 #include <asm/pat.h>
+#include <asm/asm.h>
 #ifdef CONFIG_X86_LOCAL_APIC
 #include <asm/mpspec.h>
 #include <asm/apic.h>
@@ -334,11 +335,40 @@ static void __init early_cpu_detect(void)
 
 	get_cpu_vendor(c, 1);
 
+	early_get_cap(c);
+
 	if (c->x86_vendor != X86_VENDOR_UNKNOWN &&
 	    cpu_devs[c->x86_vendor]->c_early_init)
 		cpu_devs[c->x86_vendor]->c_early_init(c);
+}
 
-	early_get_cap(c);
+/*
+ * The NOPL instruction is supposed to exist on all CPUs with
+ * family >= 6, unfortunately, that's not true in practice because
+ * of early VIA chips and (more importantly) broken virtualizers that
+ * are not easy to detect.  Hence, probe for it based on first
+ * principles.
+ */
+static void __cpuinit detect_nopl(struct cpuinfo_x86 *c)
+{
+	const u32 nopl_signature = 0x888c53b1; /* Random number */
+	u32 has_nopl = nopl_signature;
+
+	clear_cpu_cap(c, X86_FEATURE_NOPL);
+	if (c->x86 >= 6) {
+		asm volatile("\n"
+			     "1:      .byte 0x0f,0x1f,0xc0\n" /* nopl %eax */
+			     "2:\n"
+			     "        .section .fixup,\"ax\"\n"
+			     "3:      xor %0,%0\n"
+			     "        jmp 2b\n"
+			     "        .previous\n"
+			     _ASM_EXTABLE(1b,3b)
+			     : "+a" (has_nopl));
+
+		if (has_nopl == nopl_signature)
+			set_cpu_cap(c, X86_FEATURE_NOPL);
+	}
 }
 
 static void __cpuinit generic_identify(struct cpuinfo_x86 *c)
@@ -395,8 +425,8 @@ static void __cpuinit generic_identify(struct cpuinfo_x86 *c)
 		}
 
 		init_scattered_cpuid_features(c);
+		detect_nopl(c);
 	}
-
 }
 
 static void __cpuinit squash_the_stupid_serial_number(struct cpuinfo_x86 *c)
diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c
index dd6e3f15017..a11f5d4477c 100644
--- a/arch/x86/kernel/cpu/common_64.c
+++ b/arch/x86/kernel/cpu/common_64.c
@@ -18,6 +18,7 @@
 #include <asm/mtrr.h>
 #include <asm/mce.h>
 #include <asm/pat.h>
+#include <asm/asm.h>
 #include <asm/numa.h>
 #ifdef CONFIG_X86_LOCAL_APIC
 #include <asm/mpspec.h>
@@ -215,6 +216,39 @@ static void __init early_cpu_support_print(void)
 	}
 }
 
+/*
+ * The NOPL instruction is supposed to exist on all CPUs with
+ * family >= 6, unfortunately, that's not true in practice because
+ * of early VIA chips and (more importantly) broken virtualizers that
+ * are not easy to detect.  Hence, probe for it based on first
+ * principles.
+ *
+ * Note: no 64-bit chip is known to lack these, but put the code here
+ * for consistency with 32 bits, and to make it utterly trivial to
+ * diagnose the problem should it ever surface.
+ */
+static void __cpuinit detect_nopl(struct cpuinfo_x86 *c)
+{
+	const u32 nopl_signature = 0x888c53b1; /* Random number */
+	u32 has_nopl = nopl_signature;
+
+	clear_cpu_cap(c, X86_FEATURE_NOPL);
+	if (c->x86 >= 6) {
+		asm volatile("\n"
+			     "1:      .byte 0x0f,0x1f,0xc0\n" /* nopl %eax */
+			     "2:\n"
+			     "        .section .fixup,\"ax\"\n"
+			     "3:      xor %0,%0\n"
+			     "        jmp 2b\n"
+			     "        .previous\n"
+			     _ASM_EXTABLE(1b,3b)
+			     : "+a" (has_nopl));
+
+		if (has_nopl == nopl_signature)
+			set_cpu_cap(c, X86_FEATURE_NOPL);
+	}
+}
+
 static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c);
 
 void __init early_cpu_init(void)
@@ -313,6 +347,8 @@ static void __cpuinit early_identify_cpu(struct cpuinfo_x86 *c)
 		c->x86_phys_bits = eax & 0xff;
 	}
 
+	detect_nopl(c);
+
 	if (c->x86_vendor != X86_VENDOR_UNKNOWN &&
 	    cpu_devs[c->x86_vendor]->c_early_init)
 		cpu_devs[c->x86_vendor]->c_early_init(c);
@@ -493,17 +529,20 @@ void pda_init(int cpu)
 		/* others are initialized in smpboot.c */
 		pda->pcurrent = &init_task;
 		pda->irqstackptr = boot_cpu_stack;
+		pda->irqstackptr += IRQSTACKSIZE - 64;
 	} else {
-		pda->irqstackptr = (char *)
-			__get_free_pages(GFP_ATOMIC, IRQSTACK_ORDER);
-		if (!pda->irqstackptr)
-			panic("cannot allocate irqstack for cpu %d", cpu);
+		if (!pda->irqstackptr) {
+			pda->irqstackptr = (char *)
+				__get_free_pages(GFP_ATOMIC, IRQSTACK_ORDER);
+			if (!pda->irqstackptr)
+				panic("cannot allocate irqstack for cpu %d",
+				      cpu);
+			pda->irqstackptr += IRQSTACKSIZE - 64;
+		}
 
 		if (pda->nodenumber == 0 && cpu_to_node(cpu) != NUMA_NO_NODE)
 			pda->nodenumber = cpu_to_node(cpu);
 	}
-
-	pda->irqstackptr += IRQSTACKSIZE-64;
 }
 
 char boot_exception_stacks[(N_EXCEPTION_STACKS - 1) * EXCEPTION_STKSZ +
@@ -601,19 +640,22 @@ void __cpuinit cpu_init(void)
 	/*
 	 * set up and load the per-CPU TSS
 	 */
-	for (v = 0; v < N_EXCEPTION_STACKS; v++) {
+	if (!orig_ist->ist[0]) {
 		static const unsigned int order[N_EXCEPTION_STACKS] = {
-			[0 ... N_EXCEPTION_STACKS - 1] = EXCEPTION_STACK_ORDER,
-			[DEBUG_STACK - 1] = DEBUG_STACK_ORDER
+		  [0 ... N_EXCEPTION_STACKS - 1] = EXCEPTION_STACK_ORDER,
+		  [DEBUG_STACK - 1] = DEBUG_STACK_ORDER
 		};
-		if (cpu) {
-			estacks = (char *)__get_free_pages(GFP_ATOMIC, order[v]);
-			if (!estacks)
-				panic("Cannot allocate exception stack %ld %d\n",
-				      v, cpu);
+		for (v = 0; v < N_EXCEPTION_STACKS; v++) {
+			if (cpu) {
+				estacks = (char *)__get_free_pages(GFP_ATOMIC, order[v]);
+				if (!estacks)
+					panic("Cannot allocate exception "
+					      "stack %ld %d\n", v, cpu);
+			}
+			estacks += PAGE_SIZE << order[v];
+			orig_ist->ist[v] = t->x86_tss.ist[v] =
+					(unsigned long)estacks;
 		}
-		estacks += PAGE_SIZE << order[v];
-		orig_ist->ist[v] = t->x86_tss.ist[v] = (unsigned long)estacks;
 	}
 
 	t->x86_tss.io_bitmap_base = offsetof(struct tss_struct, io_bitmap);
diff --git a/arch/x86/kernel/cpu/cpufreq/Kconfig b/arch/x86/kernel/cpu/cpufreq/Kconfig
index cb7a5715596..efae3b22a0f 100644
--- a/arch/x86/kernel/cpu/cpufreq/Kconfig
+++ b/arch/x86/kernel/cpu/cpufreq/Kconfig
@@ -235,9 +235,9 @@ config X86_LONGHAUL
 	  If in doubt, say N.
 
 config X86_E_POWERSAVER
-	tristate "VIA C7 Enhanced PowerSaver (EXPERIMENTAL)"
+	tristate "VIA C7 Enhanced PowerSaver"
 	select CPU_FREQ_TABLE
-	depends on X86_32 && EXPERIMENTAL
+	depends on X86_32
 	help
 	  This adds the CPUFreq driver for VIA C7 processors.
 
diff --git a/arch/x86/kernel/cpu/cpufreq/elanfreq.c b/arch/x86/kernel/cpu/cpufreq/elanfreq.c
index 94619c22f56..e4a4bf870e9 100644
--- a/arch/x86/kernel/cpu/cpufreq/elanfreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/elanfreq.c
@@ -44,7 +44,7 @@ struct s_elan_multiplier {
  * It is important that the frequencies
  * are listed in ascending order here!
  */
-struct s_elan_multiplier elan_multiplier[] = {
+static struct s_elan_multiplier elan_multiplier[] = {
 	{1000,	0x02,	0x18},
 	{2000,	0x02,	0x10},
 	{4000,	0x02,	0x08},
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index c45ca6d4dce..84bb395038d 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -66,7 +66,6 @@ static u32 find_freq_from_fid(u32 fid)
 	return 800 + (fid * 100);
 }
 
-
 /* Return a frequency in KHz, given an input fid */
 static u32 find_khz_freq_from_fid(u32 fid)
 {
@@ -78,7 +77,6 @@ static u32 find_khz_freq_from_pstate(struct cpufreq_frequency_table *data, u32 p
 	return data[pstate].frequency;
 }
 
-
 /* Return the vco fid for an input fid
  *
  * Each "low" fid has corresponding "high" fid, and you can get to "low" fids
@@ -166,7 +164,6 @@ static void fidvid_msr_init(void)
 	wrmsr(MSR_FIDVID_CTL, lo, hi);
 }
 
-
 /* write the new fid value along with the other control fields to the msr */
 static int write_new_fid(struct powernow_k8_data *data, u32 fid)
 {
diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c
index 3fd7a67bb06..898a5a2002e 100644
--- a/arch/x86/kernel/cpu/cyrix.c
+++ b/arch/x86/kernel/cpu/cyrix.c
@@ -15,13 +15,11 @@
 /*
  * Read NSC/Cyrix DEVID registers (DIR) to get more detailed info. about the CPU
  */
-static void __cpuinit do_cyrix_devid(unsigned char *dir0, unsigned char *dir1)
+static void __cpuinit __do_cyrix_devid(unsigned char *dir0, unsigned char *dir1)
 {
 	unsigned char ccr2, ccr3;
-	unsigned long flags;
 
 	/* we test for DEVID by checking whether CCR3 is writable */
-	local_irq_save(flags);
 	ccr3 = getCx86(CX86_CCR3);
 	setCx86(CX86_CCR3, ccr3 ^ 0x80);
 	getCx86(0xc0);   /* dummy to change bus */
@@ -44,9 +42,16 @@ static void __cpuinit do_cyrix_devid(unsigned char *dir0, unsigned char *dir1)
 		*dir0 = getCx86(CX86_DIR0);
 		*dir1 = getCx86(CX86_DIR1);
 	}
-	local_irq_restore(flags);
 }
 
+static void __cpuinit do_cyrix_devid(unsigned char *dir0, unsigned char *dir1)
+{
+	unsigned long flags;
+
+	local_irq_save(flags);
+	__do_cyrix_devid(dir0, dir1);
+	local_irq_restore(flags);
+}
 /*
  * Cx86_dir0_msb is a HACK needed by check_cx686_cpuid/slop in bugs.h in
  * order to identify the Cyrix CPU model after we're out of setup.c
@@ -134,23 +139,6 @@ static void __cpuinit set_cx86_memwb(void)
 	setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x14);
 }
 
-static void __cpuinit set_cx86_inc(void)
-{
-	unsigned char ccr3;
-
-	printk(KERN_INFO "Enable Incrementor on Cyrix/NSC processor.\n");
-
-	ccr3 = getCx86(CX86_CCR3);
-	setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */
-	/* PCR1 -- Performance Control */
-	/* Incrementor on, whatever that is */
-	setCx86(CX86_PCR1, getCx86(CX86_PCR1) | 0x02);
-	/* PCR0 -- Performance Control */
-	/* Incrementor Margin 10 */
-	setCx86(CX86_PCR0, getCx86(CX86_PCR0) | 0x04);
-	setCx86(CX86_CCR3, ccr3);	/* disable MAPEN */
-}
-
 /*
  *	Configure later MediaGX and/or Geode processor.
  */
@@ -174,11 +162,28 @@ static void __cpuinit geode_configure(void)
 
 	set_cx86_memwb();
 	set_cx86_reorder();
-	set_cx86_inc();
 
 	local_irq_restore(flags);
 }
 
+static void __cpuinit early_init_cyrix(struct cpuinfo_x86 *c)
+{
+	unsigned char dir0, dir0_msn, dir1 = 0;
+
+	__do_cyrix_devid(&dir0, &dir1);
+	dir0_msn = dir0 >> 4; /* identifies CPU "family"   */
+
+	switch (dir0_msn) {
+	case 3: /* 6x86/6x86L */
+		/* Emulate MTRRs using Cyrix's ARRs. */
+		set_cpu_cap(c, X86_FEATURE_CYRIX_ARR);
+		break;
+	case 5: /* 6x86MX/M II */
+		/* Emulate MTRRs using Cyrix's ARRs. */
+		set_cpu_cap(c, X86_FEATURE_CYRIX_ARR);
+		break;
+	}
+}
 
 static void __cpuinit init_cyrix(struct cpuinfo_x86 *c)
 {
@@ -434,6 +439,7 @@ static void __cpuinit cyrix_identify(struct cpuinfo_x86 *c)
 static struct cpu_dev cyrix_cpu_dev __cpuinitdata = {
 	.c_vendor	= "Cyrix",
 	.c_ident	= { "CyrixInstead" },
+	.c_early_init	= early_init_cyrix,
 	.c_init		= init_cyrix,
 	.c_identify	= cyrix_identify,
 };
diff --git a/arch/x86/kernel/cpu/feature_names.c b/arch/x86/kernel/cpu/feature_names.c
index e43ad4ad4cb..c9017799497 100644
--- a/arch/x86/kernel/cpu/feature_names.c
+++ b/arch/x86/kernel/cpu/feature_names.c
@@ -39,7 +39,8 @@ const char * const x86_cap_flags[NCAPINTS*32] = {
 	NULL, NULL, NULL, NULL,
 	"constant_tsc", "up", NULL, "arch_perfmon",
 	"pebs", "bts", NULL, NULL,
-	"rep_good", NULL, NULL, NULL, NULL, NULL, NULL, NULL,
+	"rep_good", NULL, NULL, NULL,
+	"nopl", NULL, NULL, NULL,
 	NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 
 	/* Intel-defined (#2) */
diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index 65a339678ec..726a5fcdf34 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -759,6 +759,7 @@ static struct sysdev_class mce_sysclass = {
 };
 
 DEFINE_PER_CPU(struct sys_device, device_mce);
+void (*threshold_cpu_callback)(unsigned long action, unsigned int cpu) __cpuinitdata;
 
 /* Why are there no generic functions for this? */
 #define ACCESSOR(name, var, start) \
@@ -883,9 +884,13 @@ static int __cpuinit mce_cpu_callback(struct notifier_block *nfb,
 	case CPU_ONLINE:
 	case CPU_ONLINE_FROZEN:
 		mce_create_device(cpu);
+		if (threshold_cpu_callback)
+			threshold_cpu_callback(action, cpu);
 		break;
 	case CPU_DEAD:
 	case CPU_DEAD_FROZEN:
+		if (threshold_cpu_callback)
+			threshold_cpu_callback(action, cpu);
 		mce_remove_device(cpu);
 		break;
 	}
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd_64.c b/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
index 88736cadbaa..5eb390a4b2e 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
@@ -628,6 +628,7 @@ static void threshold_remove_bank(unsigned int cpu, int bank)
 	deallocate_threshold_block(cpu, bank);
 
 free_out:
+	kobject_del(b->kobj);
 	kobject_put(b->kobj);
 	kfree(b);
 	per_cpu(threshold_banks, cpu)[bank] = NULL;
@@ -645,14 +646,11 @@ static void threshold_remove_device(unsigned int cpu)
 }
 
 /* get notified when a cpu comes on/off */
-static int __cpuinit threshold_cpu_callback(struct notifier_block *nfb,
-					    unsigned long action, void *hcpu)
+static void __cpuinit amd_64_threshold_cpu_callback(unsigned long action,
+						     unsigned int cpu)
 {
-	/* cpu was unsigned int to begin with */
-	unsigned int cpu = (unsigned long)hcpu;
-
 	if (cpu >= NR_CPUS)
-		goto out;
+		return;
 
 	switch (action) {
 	case CPU_ONLINE:
@@ -666,14 +664,8 @@ static int __cpuinit threshold_cpu_callback(struct notifier_block *nfb,
 	default:
 		break;
 	}
-      out:
-	return NOTIFY_OK;
 }
 
-static struct notifier_block threshold_cpu_notifier __cpuinitdata = {
-	.notifier_call = threshold_cpu_callback,
-};
-
 static __init int threshold_init_device(void)
 {
 	unsigned lcpu = 0;
@@ -684,7 +676,7 @@ static __init int threshold_init_device(void)
 		if (err)
 			return err;
 	}
-	register_hotcpu_notifier(&threshold_cpu_notifier);
+	threshold_cpu_callback = amd_64_threshold_cpu_callback;
 	return 0;
 }
 
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 509bd3d9eac..cb7d3b6a80e 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -379,6 +379,7 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
 			     unsigned long *size, mtrr_type *type)
 {
 	unsigned int mask_lo, mask_hi, base_lo, base_hi;
+	unsigned int tmp, hi;
 
 	rdmsr(MTRRphysMask_MSR(reg), mask_lo, mask_hi);
 	if ((mask_lo & 0x800) == 0) {
@@ -392,8 +393,23 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
 	rdmsr(MTRRphysBase_MSR(reg), base_lo, base_hi);
 
 	/* Work out the shifted address mask. */
-	mask_lo = size_or_mask | mask_hi << (32 - PAGE_SHIFT)
-	    | mask_lo >> PAGE_SHIFT;
+	tmp = mask_hi << (32 - PAGE_SHIFT) | mask_lo >> PAGE_SHIFT;
+	mask_lo = size_or_mask | tmp;
+	/* Expand tmp with high bits to all 1s*/
+	hi = fls(tmp);
+	if (hi > 0) {
+		tmp |= ~((1<<(hi - 1)) - 1);
+
+		if (tmp != mask_lo) {
+			static int once = 1;
+
+			if (once) {
+				printk(KERN_INFO "mtrr: your BIOS has set up an incorrect mask, fixing it up.\n");
+				once = 0;
+			}
+			mask_lo = tmp;
+		}
+	}
 
 	/* This works correctly if size is a power of two, i.e. a
 	   contiguous range. */
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index 6f23969c8fa..b117d7f8a56 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -1496,11 +1496,8 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
 
 	/* kvm/qemu doesn't have mtrr set right, don't trim them all */
 	if (!highest_pfn) {
-		if (!kvm_para_available()) {
-			printk(KERN_WARNING
+		WARN(!kvm_para_available(), KERN_WARNING
 				"WARNING: strange, CPU MTRRs all blank?\n");
-			WARN_ON(1);
-		}
 		return 0;
 	}
 
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index de7439f82b9..05cc22dbd4f 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -478,7 +478,13 @@ static int setup_p4_watchdog(unsigned nmi_hz)
 		perfctr_msr = MSR_P4_IQ_PERFCTR1;
 		evntsel_msr = MSR_P4_CRU_ESCR0;
 		cccr_msr = MSR_P4_IQ_CCCR1;
-		cccr_val = P4_CCCR_OVF_PMI1 | P4_CCCR_ESCR_SELECT(4);
+
+		/* Pentium 4 D processors don't support P4_CCCR_OVF_PMI1 */
+		if (boot_cpu_data.x86_model == 4 && boot_cpu_data.x86_mask == 4)
+			cccr_val = P4_CCCR_OVF_PMI0;
+		else
+			cccr_val = P4_CCCR_OVF_PMI1;
+		cccr_val |= P4_CCCR_ESCR_SELECT(4);
 	}
 
 	evntsel = P4_ESCR_EVENT_SELECT(0x3F)
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index 14b11b3be31..8e9cd6a8ec1 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -89,6 +89,8 @@ static ssize_t cpuid_read(struct file *file, char __user *buf,
 	struct cpuid_regs cmd;
 	int cpu = iminor(file->f_path.dentry->d_inode);
 	u64 pos = *ppos;
+	ssize_t bytes = 0;
+	int err = 0;
 
 	if (count % 16)
 		return -EINVAL;	/* Invalid chunk size */
@@ -96,14 +98,19 @@ static ssize_t cpuid_read(struct file *file, char __user *buf,
 	for (; count; count -= 16) {
 		cmd.eax = pos;
 		cmd.ecx = pos >> 32;
-		smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1);
-		if (copy_to_user(tmp, &cmd, 16))
-			return -EFAULT;
+		err = smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1);
+		if (err)
+			break;
+		if (copy_to_user(tmp, &cmd, 16)) {
+			err = -EFAULT;
+			break;
+		}
 		tmp += 16;
+		bytes += 16;
 		*ppos = ++pos;
 	}
 
-	return tmp - buf;
+	return bytes ? bytes : err;
 }
 
 static int cpuid_open(struct inode *inode, struct file *file)
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 9af89078f7b..66e48aa2dd1 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -1203,7 +1203,7 @@ static int __init parse_memmap_opt(char *p)
 	if (!p)
 		return -EINVAL;
 
-	if (!strcmp(p, "exactmap")) {
+	if (!strncmp(p, "exactmap", 8)) {
 #ifdef CONFIG_CRASH_DUMP
 		/*
 		 * If we are doing a crash dump, we still need to know
diff --git a/arch/x86/kernel/efi_32.c b/arch/x86/kernel/efi_32.c
index 4b63c8e1f13..5cab48ee61a 100644
--- a/arch/x86/kernel/efi_32.c
+++ b/arch/x86/kernel/efi_32.c
@@ -53,7 +53,7 @@ void efi_call_phys_prelog(void)
 	 * directory. If I have PAE, I just need to duplicate one entry in
 	 * page directory.
 	 */
-	cr4 = read_cr4();
+	cr4 = read_cr4_safe();
 
 	if (cr4 & X86_CR4_PAE) {
 		efi_bak_pg_dir_pointer[0].pgd =
@@ -91,7 +91,7 @@ void efi_call_phys_epilog(void)
 	gdt_descr.size = GDT_SIZE - 1;
 	load_gdt(&gdt_descr);
 
-	cr4 = read_cr4();
+	cr4 = read_cr4_safe();
 
 	if (cr4 & X86_CR4_PAE) {
 		swapper_pg_dir[pgd_index(0)].pgd =
diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c
index 1fa8be5bd21..eaff0bbb144 100644
--- a/arch/x86/kernel/genapic_64.c
+++ b/arch/x86/kernel/genapic_64.c
@@ -99,3 +99,4 @@ int is_uv_system(void)
 {
 	return uv_system_type != UV_NONE;
 }
+EXPORT_SYMBOL_GPL(is_uv_system);
diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index 2cfcbded888..bfa837cb16b 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -222,7 +222,7 @@ static __init void map_low_mmrs(void)
 
 enum map_type {map_wb, map_uc};
 
-static void map_high(char *id, unsigned long base, int shift, enum map_type map_type)
+static __init void map_high(char *id, unsigned long base, int shift, enum map_type map_type)
 {
 	unsigned long bytes, paddr;
 
@@ -293,7 +293,9 @@ static __init void uv_rtc_init(void)
 		sn_rtc_cycles_per_second = ticks_per_sec;
 }
 
-static __init void uv_system_init(void)
+static bool uv_system_inited;
+
+void __init uv_system_init(void)
 {
 	union uvh_si_addr_map_config_u m_n_config;
 	union uvh_node_id_u node_id;
@@ -383,6 +385,7 @@ static __init void uv_system_init(void)
 	map_mmr_high(max_pnode);
 	map_config_high(max_pnode);
 	map_mmioh_high(max_pnode);
+	uv_system_inited = true;
 }
 
 /*
@@ -391,8 +394,7 @@ static __init void uv_system_init(void)
  */
 void __cpuinit uv_cpu_init(void)
 {
-	if (!uv_node_to_blade)
-		uv_system_init();
+	BUG_ON(!uv_system_inited);
 
 	uv_blade_info[uv_numa_blade_id()].nr_online_cpus++;
 
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 1b318e903bf..9bfc4d72fb2 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -88,6 +88,7 @@ void __init x86_64_start_kernel(char * real_mode_data)
 	BUILD_BUG_ON(!(MODULES_VADDR > __START_KERNEL));
 	BUILD_BUG_ON(!(((MODULES_END - 1) & PGDIR_MASK) ==
 				(__START_KERNEL & PGDIR_MASK)));
+	BUILD_BUG_ON(__fix_to_virt(__end_of_fixed_addresses) <= MODULES_END);
 
 	/* clear bss before set_intr_gate with early_idt_handler */
 	clear_bss();
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 82d459186fd..acf62fc233d 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -214,8 +214,8 @@ static void hpet_legacy_clockevent_register(void)
 	/* Calculate the min / max delta */
 	hpet_clockevent.max_delta_ns = clockevent_delta2ns(0x7FFFFFFF,
 							   &hpet_clockevent);
-	hpet_clockevent.min_delta_ns = clockevent_delta2ns(0x30,
-							   &hpet_clockevent);
+	/* 5 usec minimum reprogramming delta. */
+	hpet_clockevent.min_delta_ns = 5000;
 
 	/*
 	 * Start hpet with the boot cpu mask and make it
@@ -274,15 +274,22 @@ static void hpet_legacy_set_mode(enum clock_event_mode mode,
 }
 
 static int hpet_legacy_next_event(unsigned long delta,
-			   struct clock_event_device *evt)
+				  struct clock_event_device *evt)
 {
-	unsigned long cnt;
+	u32 cnt;
 
 	cnt = hpet_readl(HPET_COUNTER);
-	cnt += delta;
+	cnt += (u32) delta;
 	hpet_writel(cnt, HPET_T0_CMP);
 
-	return ((long)(hpet_readl(HPET_COUNTER) - cnt ) > 0) ? -ETIME : 0;
+	/*
+	 * We need to read back the CMP register to make sure that
+	 * what we wrote hit the chip before we compare it to the
+	 * counter.
+	 */
+	WARN_ON((u32)hpet_readl(HPET_T0_CMP) != cnt);
+
+	return (s32)((u32)hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0;
 }
 
 /*
@@ -363,6 +370,7 @@ static int hpet_clocksource_register(void)
 int __init hpet_enable(void)
 {
 	unsigned long id;
+	int i;
 
 	if (!is_hpet_capable())
 		return 0;
@@ -373,6 +381,29 @@ int __init hpet_enable(void)
 	 * Read the period and check for a sane value:
 	 */
 	hpet_period = hpet_readl(HPET_PERIOD);
+
+	/*
+	 * AMD SB700 based systems with spread spectrum enabled use a
+	 * SMM based HPET emulation to provide proper frequency
+	 * setting. The SMM code is initialized with the first HPET
+	 * register access and takes some time to complete. During
+	 * this time the config register reads 0xffffffff. We check
+	 * for max. 1000 loops whether the config register reads a non
+	 * 0xffffffff value to make sure that HPET is up and running
+	 * before we go further. A counting loop is safe, as the HPET
+	 * access takes thousands of CPU cycles. On non SB700 based
+	 * machines this check is only done once and has no side
+	 * effects.
+	 */
+	for (i = 0; hpet_readl(HPET_CFG) == 0xFFFFFFFF; i++) {
+		if (i == 1000) {
+			printk(KERN_WARNING
+			       "HPET config register value = 0xFFFFFFFF. "
+			       "Disabling HPET\n");
+			goto out_nohpet;
+		}
+	}
+
 	if (hpet_period < HPET_MIN_PERIOD || hpet_period > HPET_MAX_PERIOD)
 		goto out_nohpet;
 
diff --git a/arch/x86/kernel/io_apic_32.c b/arch/x86/kernel/io_apic_32.c
index de9aa0e3a9c..09cddb57bec 100644
--- a/arch/x86/kernel/io_apic_32.c
+++ b/arch/x86/kernel/io_apic_32.c
@@ -57,7 +57,7 @@ atomic_t irq_mis_count;
 static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
 
 static DEFINE_SPINLOCK(ioapic_lock);
-static DEFINE_SPINLOCK(vector_lock);
+DEFINE_SPINLOCK(vector_lock);
 
 int timer_through_8259 __initdata;
 
@@ -1209,10 +1209,6 @@ static int assign_irq_vector(int irq)
 	return vector;
 }
 
-void setup_vector_irq(int cpu)
-{
-}
-
 static struct irq_chip ioapic_chip;
 
 #define IOAPIC_AUTO	-1
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c
index 8269434d170..61a83b70c18 100644
--- a/arch/x86/kernel/io_apic_64.c
+++ b/arch/x86/kernel/io_apic_64.c
@@ -101,7 +101,7 @@ int timer_through_8259 __initdata;
 static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
 
 static DEFINE_SPINLOCK(ioapic_lock);
-DEFINE_SPINLOCK(vector_lock);
+static DEFINE_SPINLOCK(vector_lock);
 
 /*
  * # of IRQ routing registers
@@ -697,6 +697,19 @@ static int pin_2_irq(int idx, int apic, int pin)
 	return irq;
 }
 
+void lock_vector_lock(void)
+{
+	/* Used to the online set of cpus does not change
+	 * during assign_irq_vector.
+	 */
+	spin_lock(&vector_lock);
+}
+
+void unlock_vector_lock(void)
+{
+	spin_unlock(&vector_lock);
+}
+
 static int __assign_irq_vector(int irq, cpumask_t mask)
 {
 	/*
@@ -802,7 +815,7 @@ static void __clear_irq_vector(int irq)
 	cpus_clear(cfg->domain);
 }
 
-static void __setup_vector_irq(int cpu)
+void __setup_vector_irq(int cpu)
 {
 	/* Initialize vector_irq on a new cpu */
 	/* This function must be called with vector_lock held */
@@ -825,14 +838,6 @@ static void __setup_vector_irq(int cpu)
 	}
 }
 
-void setup_vector_irq(int cpu)
-{
-	spin_lock(&vector_lock);
-	__setup_vector_irq(smp_processor_id());
-	spin_unlock(&vector_lock);
-}
-
-
 static struct irq_chip ioapic_chip;
 
 static void ioapic_register_intr(int irq, unsigned long trigger)
diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c
index 1c3a66a67f8..720d2607aac 100644
--- a/arch/x86/kernel/io_delay.c
+++ b/arch/x86/kernel/io_delay.c
@@ -92,6 +92,14 @@ static struct dmi_system_id __initdata io_delay_0xed_port_dmi_table[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "30BF")
 		}
 	},
+	{
+		.callback	= dmi_io_delay_0xed_port,
+		.ident		= "Presario F700",
+		.matches	= {
+			DMI_MATCH(DMI_BOARD_VENDOR, "Quanta"),
+			DMI_MATCH(DMI_BOARD_NAME, "30D3")
+		}
+	},
 	{ }
 };
 
diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c
index 9fe478d9840..0732adba05c 100644
--- a/arch/x86/kernel/machine_kexec_32.c
+++ b/arch/x86/kernel/machine_kexec_32.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/numa.h>
 #include <linux/ftrace.h>
+#include <linux/suspend.h>
 
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
@@ -78,7 +79,7 @@ static void load_segments(void)
 /*
  * A architecture hook called to validate the
  * proposed image and prepare the control pages
- * as needed.  The pages for KEXEC_CONTROL_CODE_SIZE
+ * as needed.  The pages for KEXEC_CONTROL_PAGE_SIZE
  * have been allocated, but the segments have yet
  * been copied into the kernel.
  *
@@ -113,6 +114,7 @@ void machine_kexec(struct kimage *image)
 {
 	unsigned long page_list[PAGES_NR];
 	void *control_page;
+	int save_ftrace_enabled;
 	asmlinkage unsigned long
 		(*relocate_kernel_ptr)(unsigned long indirection_page,
 				       unsigned long control_page,
@@ -120,7 +122,12 @@ void machine_kexec(struct kimage *image)
 				       unsigned int has_pae,
 				       unsigned int preserve_context);
 
-	tracer_disable();
+#ifdef CONFIG_KEXEC_JUMP
+	if (kexec_image->preserve_context)
+		save_processor_state();
+#endif
+
+	save_ftrace_enabled = __ftrace_enabled_save();
 
 	/* Interrupts aren't acceptable while we reboot */
 	local_irq_disable();
@@ -138,7 +145,7 @@ void machine_kexec(struct kimage *image)
 	}
 
 	control_page = page_address(image->control_code_page);
-	memcpy(control_page, relocate_kernel, PAGE_SIZE/2);
+	memcpy(control_page, relocate_kernel, KEXEC_CONTROL_CODE_MAX_SIZE);
 
 	relocate_kernel_ptr = control_page;
 	page_list[PA_CONTROL_PAGE] = __pa(control_page);
@@ -178,6 +185,13 @@ void machine_kexec(struct kimage *image)
 					   (unsigned long)page_list,
 					   image->start, cpu_has_pae,
 					   image->preserve_context);
+
+#ifdef CONFIG_KEXEC_JUMP
+	if (kexec_image->preserve_context)
+		restore_processor_state();
+#endif
+
+	__ftrace_enabled_restore(save_ftrace_enabled);
 }
 
 void arch_crash_save_vmcoreinfo(void)
diff --git a/arch/x86/kernel/mfgpt_32.c b/arch/x86/kernel/mfgpt_32.c
index 07c0f828f48..3b599518c32 100644
--- a/arch/x86/kernel/mfgpt_32.c
+++ b/arch/x86/kernel/mfgpt_32.c
@@ -33,6 +33,8 @@
 #include <linux/module.h>
 #include <asm/geode.h>
 
+#define MFGPT_DEFAULT_IRQ	7
+
 static struct mfgpt_timer_t {
 	unsigned int avail:1;
 } mfgpt_timers[MFGPT_MAX_TIMERS];
@@ -157,29 +159,48 @@ int geode_mfgpt_toggle_event(int timer, int cmp, int event, int enable)
 }
 EXPORT_SYMBOL_GPL(geode_mfgpt_toggle_event);
 
-int geode_mfgpt_set_irq(int timer, int cmp, int irq, int enable)
+int geode_mfgpt_set_irq(int timer, int cmp, int *irq, int enable)
 {
-	u32 val, dummy;
-	int offset;
+	u32 zsel, lpc, dummy;
+	int shift;
 
 	if (timer < 0 || timer >= MFGPT_MAX_TIMERS)
 		return -EIO;
 
-	if (geode_mfgpt_toggle_event(timer, cmp, MFGPT_EVENT_IRQ, enable))
+	/*
+	 * Unfortunately, MFGPTs come in pairs sharing their IRQ lines. If VSA
+	 * is using the same CMP of the timer's Siamese twin, the IRQ is set to
+	 * 2, and we mustn't use nor change it.
+	 * XXX: Likewise, 2 Linux drivers might clash if the 2nd overwrites the
+	 * IRQ of the 1st. This can only happen if forcing an IRQ, calling this
+	 * with *irq==0 is safe. Currently there _are_ no 2 drivers.
+	 */
+	rdmsr(MSR_PIC_ZSEL_LOW, zsel, dummy);
+	shift = ((cmp == MFGPT_CMP1 ? 0 : 4) + timer % 4) * 4;
+	if (((zsel >> shift) & 0xF) == 2)
 		return -EIO;
 
-	rdmsr(MSR_PIC_ZSEL_LOW, val, dummy);
+	/* Choose IRQ: if none supplied, keep IRQ already set or use default */
+	if (!*irq)
+		*irq = (zsel >> shift) & 0xF;
+	if (!*irq)
+		*irq = MFGPT_DEFAULT_IRQ;
 
-	offset = (timer % 4) * 4;
-
-	val &= ~((0xF << offset) | (0xF << (offset + 16)));
+	/* Can't use IRQ if it's 0 (=disabled), 2, or routed to LPC */
+	if (*irq < 1 || *irq == 2 || *irq > 15)
+		return -EIO;
+	rdmsr(MSR_PIC_IRQM_LPC, lpc, dummy);
+	if (lpc & (1 << *irq))
+		return -EIO;
 
+	/* All chosen and checked - go for it */
+	if (geode_mfgpt_toggle_event(timer, cmp, MFGPT_EVENT_IRQ, enable))
+		return -EIO;
 	if (enable) {
-		val |= (irq & 0x0F) << (offset);
-		val |= (irq & 0x0F) << (offset + 16);
+		zsel = (zsel & ~(0xF << shift)) | (*irq << shift);
+		wrmsr(MSR_PIC_ZSEL_LOW, zsel, dummy);
 	}
 
-	wrmsr(MSR_PIC_ZSEL_LOW, val, dummy);
 	return 0;
 }
 
@@ -242,7 +263,7 @@ EXPORT_SYMBOL_GPL(geode_mfgpt_alloc_timer);
 static unsigned int mfgpt_tick_mode = CLOCK_EVT_MODE_SHUTDOWN;
 static u16 mfgpt_event_clock;
 
-static int irq = 7;
+static int irq;
 static int __init mfgpt_setup(char *str)
 {
 	get_option(&str, &irq);
@@ -346,7 +367,7 @@ int __init mfgpt_timer_setup(void)
 	mfgpt_event_clock = timer;
 
 	/* Set up the IRQ on the MFGPT side */
-	if (geode_mfgpt_setup_irq(mfgpt_event_clock, MFGPT_CMP2, irq)) {
+	if (geode_mfgpt_setup_irq(mfgpt_event_clock, MFGPT_CMP2, &irq)) {
 		printk(KERN_ERR "mfgpt-timer:  Could not set up IRQ %d\n", irq);
 		return -EIO;
 	}
@@ -374,13 +395,14 @@ int __init mfgpt_timer_setup(void)
 			&mfgpt_clockevent);
 
 	printk(KERN_INFO
-	       "mfgpt-timer:  registering the MFGPT timer as a clock event.\n");
+	       "mfgpt-timer:  Registering MFGPT timer %d as a clock event, using IRQ %d\n",
+	       timer, irq);
 	clockevents_register_device(&mfgpt_clockevent);
 
 	return 0;
 
 err:
-	geode_mfgpt_release_irq(mfgpt_event_clock, MFGPT_CMP2, irq);
+	geode_mfgpt_release_irq(mfgpt_event_clock, MFGPT_CMP2, &irq);
 	printk(KERN_ERR
 	       "mfgpt-timer:  Unable to set up the MFGPT clock source\n");
 	return -EIO;
diff --git a/arch/x86/kernel/mmconf-fam10h_64.c b/arch/x86/kernel/mmconf-fam10h_64.c
index fdfdc550b36..efc2f361fe8 100644
--- a/arch/x86/kernel/mmconf-fam10h_64.c
+++ b/arch/x86/kernel/mmconf-fam10h_64.c
@@ -238,7 +238,7 @@ static struct dmi_system_id __devinitdata mmconf_dmi_table[] = {
 	{}
 };
 
-void __init check_enable_amd_mmconf_dmi(void)
+void __cpuinit check_enable_amd_mmconf_dmi(void)
 {
 	dmi_check_system(mmconf_dmi_table);
 }
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 6ae005ccaed..b3fb430725c 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -49,7 +49,7 @@ static int __init mpf_checksum(unsigned char *mp, int len)
 	return sum & 0xFF;
 }
 
-static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
+static void __init MP_processor_info(struct mpc_config_processor *m)
 {
 	int apicid;
 	char *bootup_cpu = "";
@@ -83,7 +83,7 @@ static void __init MP_bus_info(struct mpc_config_bus *m)
 	if (x86_quirks->mpc_oem_bus_info)
 		x86_quirks->mpc_oem_bus_info(m, str);
 	else
-		printk(KERN_INFO "Bus #%d is %s\n", m->mpc_busid, str);
+		apic_printk(APIC_VERBOSE, "Bus #%d is %s\n", m->mpc_busid, str);
 
 #if MAX_MP_BUSSES < 256
 	if (m->mpc_busid >= MAX_MP_BUSSES) {
@@ -154,7 +154,7 @@ static void __init MP_ioapic_info(struct mpc_config_ioapic *m)
 
 static void print_MP_intsrc_info(struct mpc_config_intsrc *m)
 {
-	printk(KERN_CONT "Int: type %d, pol %d, trig %d, bus %02x,"
+	apic_printk(APIC_VERBOSE, "Int: type %d, pol %d, trig %d, bus %02x,"
 		" IRQ %02x, APIC ID %x, APIC INT %02x\n",
 		m->mpc_irqtype, m->mpc_irqflag & 3,
 		(m->mpc_irqflag >> 2) & 3, m->mpc_srcbus,
@@ -163,7 +163,7 @@ static void print_MP_intsrc_info(struct mpc_config_intsrc *m)
 
 static void __init print_mp_irq_info(struct mp_config_intsrc *mp_irq)
 {
-	printk(KERN_CONT "Int: type %d, pol %d, trig %d, bus %02x,"
+	apic_printk(APIC_VERBOSE, "Int: type %d, pol %d, trig %d, bus %02x,"
 		" IRQ %02x, APIC ID %x, APIC INT %02x\n",
 		mp_irq->mp_irqtype, mp_irq->mp_irqflag & 3,
 		(mp_irq->mp_irqflag >> 2) & 3, mp_irq->mp_srcbus,
@@ -235,7 +235,7 @@ static void __init MP_intsrc_info(struct mpc_config_intsrc *m)
 
 static void __init MP_lintsrc_info(struct mpc_config_lintsrc *m)
 {
-	printk(KERN_INFO "Lint: type %d, pol %d, trig %d, bus %02x,"
+	apic_printk(APIC_VERBOSE, "Lint: type %d, pol %d, trig %d, bus %02x,"
 		" IRQ %02x, APIC ID %x, APIC LINT %02x\n",
 		m->mpc_irqtype, m->mpc_irqflag & 3,
 		(m->mpc_irqflag >> 2) & 3, m->mpc_srcbusid,
@@ -484,7 +484,7 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type)
 }
 
 
-static void construct_ioapic_table(int mpc_default_type)
+static void __init construct_ioapic_table(int mpc_default_type)
 {
 	struct mpc_config_ioapic ioapic;
 	struct mpc_config_bus bus;
@@ -529,7 +529,7 @@ static void construct_ioapic_table(int mpc_default_type)
 	construct_default_ioirq_mptable(mpc_default_type);
 }
 #else
-static inline void construct_ioapic_table(int mpc_default_type) { }
+static inline void __init construct_ioapic_table(int mpc_default_type) { }
 #endif
 
 static inline void __init construct_default_ISA_mptable(int mpc_default_type)
@@ -695,7 +695,8 @@ static int __init smp_scan_config(unsigned long base, unsigned long length,
 	unsigned int *bp = phys_to_virt(base);
 	struct intel_mp_floating *mpf;
 
-	printk(KERN_DEBUG "Scan SMP from %p for %ld bytes.\n", bp, length);
+	apic_printk(APIC_VERBOSE, "Scan SMP from %p for %ld bytes.\n",
+			bp, length);
 	BUILD_BUG_ON(sizeof(*mpf) != 16);
 
 	while (length > 0) {
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 9fd80955244..2e2af5d1819 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -72,21 +72,28 @@ static ssize_t msr_read(struct file *file, char __user *buf,
 	u32 data[2];
 	u32 reg = *ppos;
 	int cpu = iminor(file->f_path.dentry->d_inode);
-	int err;
+	int err = 0;
+	ssize_t bytes = 0;
 
 	if (count % 8)
 		return -EINVAL;	/* Invalid chunk size */
 
 	for (; count; count -= 8) {
 		err = rdmsr_safe_on_cpu(cpu, reg, &data[0], &data[1]);
-		if (err)
-			return -EIO;
-		if (copy_to_user(tmp, &data, 8))
-			return -EFAULT;
+		if (err) {
+			if (err == -EFAULT) /* Fix idiotic error code */
+				err = -EIO;
+			break;
+		}
+		if (copy_to_user(tmp, &data, 8)) {
+			err = -EFAULT;
+			break;
+		}
 		tmp += 2;
+		bytes += 8;
 	}
 
-	return ((char __user *)tmp) - buf;
+	return bytes ? bytes : err;
 }
 
 static ssize_t msr_write(struct file *file, const char __user *buf,
@@ -96,21 +103,28 @@ static ssize_t msr_write(struct file *file, const char __user *buf,
 	u32 data[2];
 	u32 reg = *ppos;
 	int cpu = iminor(file->f_path.dentry->d_inode);
-	int err;
+	int err = 0;
+	ssize_t bytes = 0;
 
 	if (count % 8)
 		return -EINVAL;	/* Invalid chunk size */
 
 	for (; count; count -= 8) {
-		if (copy_from_user(&data, tmp, 8))
-			return -EFAULT;
+		if (copy_from_user(&data, tmp, 8)) {
+			err = -EFAULT;
+			break;
+		}
 		err = wrmsr_safe_on_cpu(cpu, reg, data[0], data[1]);
-		if (err)
-			return -EIO;
+		if (err) {
+			if (err == -EFAULT) /* Fix idiotic error code */
+				err = -EIO;
+			break;
+		}
 		tmp += 2;
+		bytes += 8;
 	}
 
-	return ((char __user *)tmp) - buf;
+	return bytes ? bytes : err;
 }
 
 static int msr_open(struct inode *inode, struct file *file)
@@ -131,7 +145,7 @@ static int msr_open(struct inode *inode, struct file *file)
 		ret = -EIO;	/* MSR not supported */
 out:
 	unlock_kernel();
-	return 0;
+	return ret;
 }
 
 /*
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index ac6d51222e7..abb78a2cc4a 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -114,6 +114,23 @@ static __init void nmi_cpu_busy(void *data)
 }
 #endif
 
+static void report_broken_nmi(int cpu, int *prev_nmi_count)
+{
+	printk(KERN_CONT "\n");
+
+	printk(KERN_WARNING
+		"WARNING: CPU#%d: NMI appears to be stuck (%d->%d)!\n",
+			cpu, prev_nmi_count[cpu], get_nmi_count(cpu));
+
+	printk(KERN_WARNING
+		"Please report this to bugzilla.kernel.org,\n");
+	printk(KERN_WARNING
+		"and attach the output of the 'dmesg' command.\n");
+
+	per_cpu(wd_enabled, cpu) = 0;
+	atomic_dec(&nmi_active);
+}
+
 int __init check_nmi_watchdog(void)
 {
 	unsigned int *prev_nmi_count;
@@ -141,15 +158,8 @@ int __init check_nmi_watchdog(void)
 	for_each_online_cpu(cpu) {
 		if (!per_cpu(wd_enabled, cpu))
 			continue;
-		if (get_nmi_count(cpu) - prev_nmi_count[cpu] <= 5) {
-			printk(KERN_WARNING "WARNING: CPU#%d: NMI "
-				"appears to be stuck (%d->%d)!\n",
-				cpu,
-				prev_nmi_count[cpu],
-				get_nmi_count(cpu));
-			per_cpu(wd_enabled, cpu) = 0;
-			atomic_dec(&nmi_active);
-		}
+		if (get_nmi_count(cpu) - prev_nmi_count[cpu] <= 5)
+			report_broken_nmi(cpu, prev_nmi_count);
 	}
 	endflag = 1;
 	if (!atomic_read(&nmi_active)) {
diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index b8c45610b20..eecc8c18f01 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -73,7 +73,7 @@ static void __init smp_dump_qct(void)
 }
 
 
-void __init numaq_tsc_disable(void)
+void __cpuinit numaq_tsc_disable(void)
 {
 	if (!found_numaq)
 		return;
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 94da4d52d79..300da17e61c 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -471,7 +471,7 @@ struct pv_lock_ops pv_lock_ops = {
 	.spin_unlock = __ticket_spin_unlock,
 #endif
 };
-EXPORT_SYMBOL_GPL(pv_lock_ops);
+EXPORT_SYMBOL(pv_lock_ops);
 
 EXPORT_SYMBOL_GPL(pv_time_ops);
 EXPORT_SYMBOL    (pv_cpu_ops);
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index b67a4b1d4ea..dcdac6c826e 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -343,9 +343,8 @@ static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
 	/* were we called with bad_dma_address? */
 	badend = bad_dma_address + (EMERGENCY_PAGES * PAGE_SIZE);
 	if (unlikely((dma_addr >= bad_dma_address) && (dma_addr < badend))) {
-		printk(KERN_ERR "Calgary: driver tried unmapping bad DMA "
+		WARN(1, KERN_ERR "Calgary: driver tried unmapping bad DMA "
 		       "address 0x%Lx\n", dma_addr);
-		WARN_ON(1);
 		return;
 	}
 
@@ -1269,13 +1268,15 @@ static inline int __init determine_tce_table_size(u64 ram)
 static int __init build_detail_arrays(void)
 {
 	unsigned long ptr;
-	int i, scal_detail_size, rio_detail_size;
+	unsigned numnodes, i;
+	int scal_detail_size, rio_detail_size;
 
-	if (rio_table_hdr->num_scal_dev > MAX_NUMNODES){
+	numnodes = rio_table_hdr->num_scal_dev;
+	if (numnodes > MAX_NUMNODES){
 		printk(KERN_WARNING
 			"Calgary: MAX_NUMNODES too low! Defined as %d, "
 			"but system has %d nodes.\n",
-			MAX_NUMNODES, rio_table_hdr->num_scal_dev);
+			MAX_NUMNODES, numnodes);
 		return -ENODEV;
 	}
 
@@ -1296,8 +1297,7 @@ static int __init build_detail_arrays(void)
 	}
 
 	ptr = ((unsigned long)rio_table_hdr) + 3;
-	for (i = 0; i < rio_table_hdr->num_scal_dev;
-		    i++, ptr += scal_detail_size)
+	for (i = 0; i < numnodes; i++, ptr += scal_detail_size)
 		scal_devs[i] = (struct scal_detail *)ptr;
 
 	for (i = 0; i < rio_table_hdr->num_rio_dev;
@@ -1350,7 +1350,7 @@ static void calgary_init_bitmap_from_tce_table(struct iommu_table *tbl)
  * Function for kdump case. Get the tce tables from first kernel
  * by reading the contents of the base adress register of calgary iommu
  */
-static void get_tce_space_from_tar()
+static void __init get_tce_space_from_tar(void)
 {
 	int bus;
 	void __iomem *target;
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 8dbffb846de..87d4d6964ec 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -123,6 +123,14 @@ void __init pci_iommu_alloc(void)
 
 	pci_swiotlb_init();
 }
+
+unsigned long iommu_num_pages(unsigned long addr, unsigned long len)
+{
+	unsigned long size = roundup((addr & ~PAGE_MASK) + len, PAGE_SIZE);
+
+	return size >> PAGE_SHIFT;
+}
+EXPORT_SYMBOL(iommu_num_pages);
 #endif
 
 /*
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 53bc653ed5c..3b7a1ddcc0b 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -95,7 +95,6 @@ static inline void play_dead(void)
 {
 	/* This must be done before dead CPU ack */
 	cpu_exit_clear();
-	wbinvd();
 	mb();
 	/* Ack it */
 	__get_cpu_var(cpu_state) = CPU_DEAD;
@@ -104,8 +103,8 @@ static inline void play_dead(void)
 	 * With physical CPU hotplug, we should halt the cpu
 	 */
 	local_irq_disable();
-	while (1)
-		halt();
+	/* mask all interrupts, flush any and all caches, and halt */
+	wbinvd_halt();
 }
 #else
 static inline void play_dead(void)
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 3fb62a7d9a1..71553b664e2 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -93,14 +93,13 @@ DECLARE_PER_CPU(int, cpu_state);
 static inline void play_dead(void)
 {
 	idle_task_exit();
-	wbinvd();
 	mb();
 	/* Ack it */
 	__get_cpu_var(cpu_state) = CPU_DEAD;
 
 	local_irq_disable();
-	while (1)
-		halt();
+	/* mask all interrupts, flush any and all caches, and halt */
+	wbinvd_halt();
 }
 #else
 static inline void play_dead(void)
diff --git a/arch/x86/kernel/relocate_kernel_32.S b/arch/x86/kernel/relocate_kernel_32.S
index 703310a9902..6f50664b2ba 100644
--- a/arch/x86/kernel/relocate_kernel_32.S
+++ b/arch/x86/kernel/relocate_kernel_32.S
@@ -20,10 +20,11 @@
 #define PAGE_ATTR (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY)
 #define PAE_PGD_ATTR (_PAGE_PRESENT)
 
-/* control_page + PAGE_SIZE/2 ~ control_page + PAGE_SIZE * 3/4 are
- * used to save some data for jumping back
+/* control_page + KEXEC_CONTROL_CODE_MAX_SIZE
+ * ~ control_page + PAGE_SIZE are used as data storage and stack for
+ * jumping back
  */
-#define DATA(offset)		(PAGE_SIZE/2+(offset))
+#define DATA(offset)		(KEXEC_CONTROL_CODE_MAX_SIZE+(offset))
 
 /* Minimal CPU state */
 #define ESP			DATA(0x0)
@@ -376,3 +377,6 @@ swap_pages:
 	popl	%ebx
 	popl	%ebp
 	ret
+
+	.globl kexec_control_code_size
+.set kexec_control_code_size, . - relocate_kernel
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index b520dae02bf..362d4e7f2d3 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -445,7 +445,7 @@ static void __init reserve_early_setup_data(void)
  * @size: Size of the crashkernel memory to reserve.
  * Returns the base address on success, and -1ULL on failure.
  */
-unsigned long long find_and_reserve_crashkernel(unsigned long long size)
+unsigned long long __init find_and_reserve_crashkernel(unsigned long long size)
 {
 	const unsigned long long alignment = 16<<20; 	/* 16M */
 	unsigned long long start = 0LL;
@@ -670,6 +670,14 @@ void __init setup_arch(char **cmdline_p)
 
 	parse_early_param();
 
+#if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
+	/*
+	 * Must be before kernel pagetables are setup
+	 * or fixmap area is touched.
+	 */
+	vmi_init();
+#endif
+
 	/* after early param, so could get panic from serial */
 	reserve_early_setup_data();
 
@@ -788,10 +796,6 @@ void __init setup_arch(char **cmdline_p)
 
 	initmem_init(0, max_pfn);
 
-#ifdef CONFIG_X86_64
-	dma32_reserve_bootmem();
-#endif
-
 #ifdef CONFIG_ACPI_SLEEP
 	/*
 	 * Reserve low memory region for sleep support.
@@ -806,20 +810,21 @@ void __init setup_arch(char **cmdline_p)
 #endif
 	reserve_crashkernel();
 
+#ifdef CONFIG_X86_64
+	/*
+	 * dma32_reserve_bootmem() allocates bootmem which may conflict
+	 * with the crashkernel command line, so do that after
+	 * reserve_crashkernel()
+	 */
+	dma32_reserve_bootmem();
+#endif
+
 	reserve_ibft_region();
 
 #ifdef CONFIG_KVM_CLOCK
 	kvmclock_init();
 #endif
 
-#if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
-	/*
-	 * Must be after max_low_pfn is determined, and before kernel
-	 * pagetables are setup.
-	 */
-	vmi_init();
-#endif
-
 	paravirt_pagetable_setup_start(swapper_pg_dir);
 	paging_init();
 	paravirt_pagetable_setup_done(swapper_pg_dir);
@@ -856,12 +861,6 @@ void __init setup_arch(char **cmdline_p)
 	init_apic_mappings();
 	ioapic_init_mappings();
 
-#if defined(CONFIG_SMP) && defined(CONFIG_X86_PC) && defined(CONFIG_X86_32)
-	if (def_to_bigsmp)
-		printk(KERN_WARNING "More than 8 CPUs detected and "
-			"CONFIG_X86_PC cannot handle it.\nUse "
-			"CONFIG_X86_GENERICARCH or CONFIG_X86_BIGSMP.\n");
-#endif
 	kvm_guest_init();
 
 	e820_reserve_resources();
diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index b45ef8ddd65..ca316b5b742 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -104,7 +104,16 @@ static inline int restore_i387(struct _fpstate __user *buf)
 		clts();
 		task_thread_info(current)->status |= TS_USEDFPU;
 	}
-	return restore_fpu_checking((__force struct i387_fxsave_struct *)buf);
+	err = restore_fpu_checking((__force struct i387_fxsave_struct *)buf);
+	if (unlikely(err)) {
+		/*
+		 * Encountered an error while doing the restore from the
+		 * user buffer, clear the fpu state.
+		 */
+		clear_fpu(tsk);
+		clear_used_math();
+	}
+	return err;
 }
 
 /*
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 332512767f4..7985c5b3f91 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -326,12 +326,16 @@ static void __cpuinit start_secondary(void *unused)
 	 * for which cpus receive the IPI. Holding this
 	 * lock helps us to not include this cpu in a currently in progress
 	 * smp_call_function().
+	 *
+	 * We need to hold vector_lock so there the set of online cpus
+	 * does not change while we are assigning vectors to cpus.  Holding
+	 * this lock ensures we don't half assign or remove an irq from a cpu.
 	 */
 	ipi_call_lock_irq();
-#ifdef CONFIG_X86_IO_APIC
-	setup_vector_irq(smp_processor_id());
-#endif
+	lock_vector_lock();
+	__setup_vector_irq(smp_processor_id());
 	cpu_set(smp_processor_id(), cpu_online_map);
+	unlock_vector_lock();
 	ipi_call_unlock_irq();
 	per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
 
@@ -752,6 +756,14 @@ static void __cpuinit do_fork_idle(struct work_struct *work)
 }
 
 #ifdef CONFIG_X86_64
+
+/* __ref because it's safe to call free_bootmem when after_bootmem == 0. */
+static void __ref free_bootmem_pda(struct x8664_pda *oldpda)
+{
+	if (!after_bootmem)
+		free_bootmem((unsigned long)oldpda, sizeof(*oldpda));
+}
+
 /*
  * Allocate node local memory for the AP pda.
  *
@@ -780,8 +792,7 @@ int __cpuinit get_local_pda(int cpu)
 
 	if (oldpda) {
 		memcpy(newpda, oldpda, size);
-		if (!after_bootmem)
-			free_bootmem((unsigned long)oldpda, size);
+		free_bootmem_pda(oldpda);
 	}
 
 	newpda->in_bootmem = 0;
@@ -1044,6 +1055,34 @@ static __init void disable_smp(void)
 static int __init smp_sanity_check(unsigned max_cpus)
 {
 	preempt_disable();
+
+#if defined(CONFIG_X86_PC) && defined(CONFIG_X86_32)
+	if (def_to_bigsmp && nr_cpu_ids > 8) {
+		unsigned int cpu;
+		unsigned nr;
+
+		printk(KERN_WARNING
+		       "More than 8 CPUs detected - skipping them.\n"
+		       "Use CONFIG_X86_GENERICARCH and CONFIG_X86_BIGSMP.\n");
+
+		nr = 0;
+		for_each_present_cpu(cpu) {
+			if (nr >= 8)
+				cpu_clear(cpu, cpu_present_map);
+			nr++;
+		}
+
+		nr = 0;
+		for_each_possible_cpu(cpu) {
+			if (nr >= 8)
+				cpu_clear(cpu, cpu_possible_map);
+			nr++;
+		}
+
+		nr_cpu_ids = 8;
+	}
+#endif
+
 	if (!physid_isset(hard_smp_processor_id(), phys_cpu_present_map)) {
 		printk(KERN_WARNING "weird, boot CPU (#%d) not listed"
 				    "by the BIOS.\n", hard_smp_processor_id());
@@ -1182,6 +1221,9 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
 	printk(KERN_INFO "CPU%d: ", 0);
 	print_cpu_info(&cpu_data(0));
 	setup_boot_clock();
+
+	if (is_uv_system())
+		uv_system_init();
 out:
 	preempt_enable();
 }
@@ -1336,7 +1378,9 @@ int __cpu_disable(void)
 	remove_siblinginfo(cpu);
 
 	/* It's now safe to remove this processor from the online map */
+	lock_vector_lock();
 	remove_cpu_from_maps(cpu);
+	unlock_vector_lock();
 	fixup_irqs(cpu_online_map);
 	return 0;
 }
@@ -1370,17 +1414,3 @@ void __cpu_die(unsigned int cpu)
 	BUG();
 }
 #endif
-
-/*
- * If the BIOS enumerates physical processors before logical,
- * maxcpus=N at enumeration-time can be used to disable HT.
- */
-static int __init parse_maxcpus(char *arg)
-{
-	extern unsigned int maxcpus;
-
-	if (arg)
-		maxcpus = simple_strtoul(arg, NULL, 0);
-	return 0;
-}
-early_param("maxcpus", parse_maxcpus);
diff --git a/arch/x86/kernel/smpcommon.c b/arch/x86/kernel/smpcommon.c
index 99941b37eca..397e309839d 100644
--- a/arch/x86/kernel/smpcommon.c
+++ b/arch/x86/kernel/smpcommon.c
@@ -8,18 +8,21 @@
 DEFINE_PER_CPU(unsigned long, this_cpu_off);
 EXPORT_PER_CPU_SYMBOL(this_cpu_off);
 
-/* Initialize the CPU's GDT.  This is either the boot CPU doing itself
-   (still using the master per-cpu area), or a CPU doing it for a
-   secondary which will soon come up. */
+/*
+ * Initialize the CPU's GDT.  This is either the boot CPU doing itself
+ * (still using the master per-cpu area), or a CPU doing it for a
+ * secondary which will soon come up.
+ */
 __cpuinit void init_gdt(int cpu)
 {
-	struct desc_struct *gdt = get_cpu_gdt_table(cpu);
+	struct desc_struct gdt;
 
-	pack_descriptor(&gdt[GDT_ENTRY_PERCPU],
-			__per_cpu_offset[cpu], 0xFFFFF,
+	pack_descriptor(&gdt, __per_cpu_offset[cpu], 0xFFFFF,
 			0x2 | DESCTYPE_S, 0x8);
+	gdt.s = 1;
 
-	gdt[GDT_ENTRY_PERCPU].s = 1;
+	write_gdt_entry(get_cpu_gdt_table(cpu),
+			GDT_ENTRY_PERCPU, &gdt, DESCTYPE_S);
 
 	per_cpu(this_cpu_off, cpu) = __per_cpu_offset[cpu];
 	per_cpu(cpu_number, cpu) = cpu;
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
index d0fbb7712ab..8b8c0d6640f 100644
--- a/arch/x86/kernel/tlb_uv.c
+++ b/arch/x86/kernel/tlb_uv.c
@@ -17,6 +17,7 @@
 #include <asm/genapic.h>
 #include <asm/idle.h>
 #include <asm/tsc.h>
+#include <asm/irq_vectors.h>
 
 #include <mach_apic.h>
 
@@ -783,7 +784,7 @@ static int __init uv_bau_init(void)
 		uv_init_blade(blade, node, cur_cpu);
 		cur_cpu += uv_blade_nr_possible_cpus(blade);
 	}
-	set_intr_gate(UV_BAU_MESSAGE, uv_bau_message_intr1);
+	alloc_intr_gate(UV_BAU_MESSAGE, uv_bau_message_intr1);
 	uv_enable_timeouts();
 
 	return 0;
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index 3f18d73f420..513caaca711 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -1131,7 +1131,14 @@ asmlinkage void math_state_restore(void)
 	}
 
 	clts();				/* Allow maths ops (or we recurse) */
-	restore_fpu_checking(&me->thread.xstate->fxsave);
+	/*
+	 * Paranoid restore. send a SIGSEGV if we fail to restore the state.
+	 */
+	if (unlikely(restore_fpu_checking(&me->thread.xstate->fxsave))) {
+		stts();
+		force_sig(SIGSEGV, me);
+		return;
+	}
 	task_thread_info(me)->status |= TS_USEDFPU;
 	me->fpu_counter++;
 }
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 7603c055390..8f98e9de1b8 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -104,7 +104,7 @@ __setup("notsc", notsc_setup);
 /*
  * Read TSC and the reference counters. Take care of SMI disturbance
  */
-static u64 __init tsc_read_refs(u64 *pm, u64 *hpet)
+static u64 tsc_read_refs(u64 *pm, u64 *hpet)
 {
 	u64 t1, t2;
 	int i;
@@ -122,80 +122,216 @@ static u64 __init tsc_read_refs(u64 *pm, u64 *hpet)
 	return ULLONG_MAX;
 }
 
-/**
- * native_calibrate_tsc - calibrate the tsc on boot
+/*
+ * Try to calibrate the TSC against the Programmable
+ * Interrupt Timer and return the frequency of the TSC
+ * in kHz.
+ *
+ * Return ULONG_MAX on failure to calibrate.
  */
-unsigned long native_calibrate_tsc(void)
+static unsigned long pit_calibrate_tsc(void)
 {
-	unsigned long flags;
-	u64 tsc1, tsc2, tr1, tr2, delta, pm1, pm2, hpet1, hpet2;
-	int hpet = is_hpet_enabled();
-	unsigned int tsc_khz_val = 0;
-
-	local_irq_save(flags);
-
-	tsc1 = tsc_read_refs(&pm1, hpet ? &hpet1 : NULL);
+	u64 tsc, t1, t2, delta;
+	unsigned long tscmin, tscmax;
+	int pitcnt;
 
+	/* Set the Gate high, disable speaker */
 	outb((inb(0x61) & ~0x02) | 0x01, 0x61);
 
+	/*
+	 * Setup CTC channel 2* for mode 0, (interrupt on terminal
+	 * count mode), binary count. Set the latch register to 50ms
+	 * (LSB then MSB) to begin countdown.
+	 */
 	outb(0xb0, 0x43);
 	outb((CLOCK_TICK_RATE / (1000 / 50)) & 0xff, 0x42);
 	outb((CLOCK_TICK_RATE / (1000 / 50)) >> 8, 0x42);
-	tr1 = get_cycles();
-	while ((inb(0x61) & 0x20) == 0);
-	tr2 = get_cycles();
 
-	tsc2 = tsc_read_refs(&pm2, hpet ? &hpet2 : NULL);
+	tsc = t1 = t2 = get_cycles();
 
-	local_irq_restore(flags);
+	pitcnt = 0;
+	tscmax = 0;
+	tscmin = ULONG_MAX;
+	while ((inb(0x61) & 0x20) == 0) {
+		t2 = get_cycles();
+		delta = t2 - tsc;
+		tsc = t2;
+		if ((unsigned long) delta < tscmin)
+			tscmin = (unsigned int) delta;
+		if ((unsigned long) delta > tscmax)
+			tscmax = (unsigned int) delta;
+		pitcnt++;
+	}
 
 	/*
-	 * Preset the result with the raw and inaccurate PIT
-	 * calibration value
+	 * Sanity checks:
+	 *
+	 * If we were not able to read the PIT more than 5000
+	 * times, then we have been hit by a massive SMI
+	 *
+	 * If the maximum is 10 times larger than the minimum,
+	 * then we got hit by an SMI as well.
 	 */
-	delta = (tr2 - tr1);
+	if (pitcnt < 5000 || tscmax > 10 * tscmin)
+		return ULONG_MAX;
+
+	/* Calculate the PIT value */
+	delta = t2 - t1;
 	do_div(delta, 50);
-	tsc_khz_val = delta;
+	return delta;
+}
+
+
+/**
+ * native_calibrate_tsc - calibrate the tsc on boot
+ */
+unsigned long native_calibrate_tsc(void)
+{
+	u64 tsc1, tsc2, delta, pm1, pm2, hpet1, hpet2;
+	unsigned long tsc_pit_min = ULONG_MAX, tsc_ref_min = ULONG_MAX;
+	unsigned long flags;
+	int hpet = is_hpet_enabled(), i;
+
+	/*
+	 * Run 5 calibration loops to get the lowest frequency value
+	 * (the best estimate). We use two different calibration modes
+	 * here:
+	 *
+	 * 1) PIT loop. We set the PIT Channel 2 to oneshot mode and
+	 * load a timeout of 50ms. We read the time right after we
+	 * started the timer and wait until the PIT count down reaches
+	 * zero. In each wait loop iteration we read the TSC and check
+	 * the delta to the previous read. We keep track of the min
+	 * and max values of that delta. The delta is mostly defined
+	 * by the IO time of the PIT access, so we can detect when a
+	 * SMI/SMM disturbance happend between the two reads. If the
+	 * maximum time is significantly larger than the minimum time,
+	 * then we discard the result and have another try.
+	 *
+	 * 2) Reference counter. If available we use the HPET or the
+	 * PMTIMER as a reference to check the sanity of that value.
+	 * We use separate TSC readouts and check inside of the
+	 * reference read for a SMI/SMM disturbance. We dicard
+	 * disturbed values here as well. We do that around the PIT
+	 * calibration delay loop as we have to wait for a certain
+	 * amount of time anyway.
+	 */
+	for (i = 0; i < 5; i++) {
+		unsigned long tsc_pit_khz;
+
+		/*
+		 * Read the start value and the reference count of
+		 * hpet/pmtimer when available. Then do the PIT
+		 * calibration, which will take at least 50ms, and
+		 * read the end value.
+		 */
+		local_irq_save(flags);
+		tsc1 = tsc_read_refs(&pm1, hpet ? &hpet1 : NULL);
+		tsc_pit_khz = pit_calibrate_tsc();
+		tsc2 = tsc_read_refs(&pm2, hpet ? &hpet2 : NULL);
+		local_irq_restore(flags);
+
+		/* Pick the lowest PIT TSC calibration so far */
+		tsc_pit_min = min(tsc_pit_min, tsc_pit_khz);
+
+		/* hpet or pmtimer available ? */
+		if (!hpet && !pm1 && !pm2)
+			continue;
+
+		/* Check, whether the sampling was disturbed by an SMI */
+		if (tsc1 == ULLONG_MAX || tsc2 == ULLONG_MAX)
+			continue;
+
+		tsc2 = (tsc2 - tsc1) * 1000000LL;
+
+		if (hpet) {
+			if (hpet2 < hpet1)
+				hpet2 += 0x100000000ULL;
+			hpet2 -= hpet1;
+			tsc1 = ((u64)hpet2 * hpet_readl(HPET_PERIOD));
+			do_div(tsc1, 1000000);
+		} else {
+			if (pm2 < pm1)
+				pm2 += (u64)ACPI_PM_OVRRUN;
+			pm2 -= pm1;
+			tsc1 = pm2 * 1000000000LL;
+			do_div(tsc1, PMTMR_TICKS_PER_SEC);
+		}
+
+		do_div(tsc2, tsc1);
+		tsc_ref_min = min(tsc_ref_min, (unsigned long) tsc2);
+	}
+
+	/*
+	 * Now check the results.
+	 */
+	if (tsc_pit_min == ULONG_MAX) {
+		/* PIT gave no useful value */
+		printk(KERN_WARNING "TSC: Unable to calibrate against PIT\n");
+
+		/* We don't have an alternative source, disable TSC */
+		if (!hpet && !pm1 && !pm2) {
+			printk("TSC: No reference (HPET/PMTIMER) available\n");
+			return 0;
+		}
+
+		/* The alternative source failed as well, disable TSC */
+		if (tsc_ref_min == ULONG_MAX) {
+			printk(KERN_WARNING "TSC: HPET/PMTIMER calibration "
+			       "failed due to SMI disturbance.\n");
+			return 0;
+		}
+
+		/* Use the alternative source */
+		printk(KERN_INFO "TSC: using %s reference calibration\n",
+		       hpet ? "HPET" : "PMTIMER");
+
+		return tsc_ref_min;
+	}
 
-	/* hpet or pmtimer available ? */
+	/* We don't have an alternative source, use the PIT calibration value */
 	if (!hpet && !pm1 && !pm2) {
-		printk(KERN_INFO "TSC calibrated against PIT\n");
-		goto out;
+		printk(KERN_INFO "TSC: Using PIT calibration value\n");
+		return tsc_pit_min;
 	}
 
-	/* Check, whether the sampling was disturbed by an SMI */
-	if (tsc1 == ULLONG_MAX || tsc2 == ULLONG_MAX) {
-		printk(KERN_WARNING "TSC calibration disturbed by SMI, "
-				"using PIT calibration result\n");
-		goto out;
+	/* The alternative source failed, use the PIT calibration value */
+	if (tsc_ref_min == ULONG_MAX) {
+		printk(KERN_WARNING "TSC: HPET/PMTIMER calibration failed due "
+		       "to SMI disturbance. Using PIT calibration\n");
+		return tsc_pit_min;
 	}
 
-	tsc2 = (tsc2 - tsc1) * 1000000LL;
-
-	if (hpet) {
-		printk(KERN_INFO "TSC calibrated against HPET\n");
-		if (hpet2 < hpet1)
-			hpet2 += 0x100000000ULL;
-		hpet2 -= hpet1;
-		tsc1 = ((u64)hpet2 * hpet_readl(HPET_PERIOD));
-		do_div(tsc1, 1000000);
-	} else {
-		printk(KERN_INFO "TSC calibrated against PM_TIMER\n");
-		if (pm2 < pm1)
-			pm2 += (u64)ACPI_PM_OVRRUN;
-		pm2 -= pm1;
-		tsc1 = pm2 * 1000000000LL;
-		do_div(tsc1, PMTMR_TICKS_PER_SEC);
+	/* Check the reference deviation */
+	delta = ((u64) tsc_pit_min) * 100;
+	do_div(delta, tsc_ref_min);
+
+	/*
+	 * If both calibration results are inside a 5% window, the we
+	 * use the lower frequency of those as it is probably the
+	 * closest estimate.
+	 */
+	if (delta >= 95 && delta <= 105) {
+		printk(KERN_INFO "TSC: PIT calibration confirmed by %s.\n",
+		       hpet ? "HPET" : "PMTIMER");
+		printk(KERN_INFO "TSC: using %s calibration value\n",
+		       tsc_pit_min <= tsc_ref_min ? "PIT" :
+		       hpet ? "HPET" : "PMTIMER");
+		return tsc_pit_min <= tsc_ref_min ? tsc_pit_min : tsc_ref_min;
 	}
 
-	do_div(tsc2, tsc1);
-	tsc_khz_val = tsc2;
+	printk(KERN_WARNING "TSC: PIT calibration deviates from %s: %lu %lu.\n",
+	       hpet ? "HPET" : "PMTIMER", tsc_pit_min, tsc_ref_min);
 
-out:
-	return tsc_khz_val;
+	/*
+	 * The calibration values differ too much. In doubt, we use
+	 * the PIT value as we know that there are PMTIMERs around
+	 * running at double speed.
+	 */
+	printk(KERN_INFO "TSC: Using PIT calibration value\n");
+	return tsc_pit_min;
 }
 
-
 #ifdef CONFIG_X86_32
 /* Only called from the Powernow K7 cpu freq driver */
 int recalibrate_cpu_khz(void)
@@ -314,7 +450,7 @@ static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
 			mark_tsc_unstable("cpufreq changes");
 	}
 
-	set_cyc2ns_scale(tsc_khz_ref, freq->cpu);
+	set_cyc2ns_scale(tsc_khz, freq->cpu);
 
 	return 0;
 }
@@ -325,6 +461,10 @@ static struct notifier_block time_cpufreq_notifier_block = {
 
 static int __init cpufreq_tsc(void)
 {
+	if (!cpu_has_tsc)
+		return 0;
+	if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
+		return 0;
 	cpufreq_register_notifier(&time_cpufreq_notifier_block,
 				CPUFREQ_TRANSITION_NOTIFIER);
 	return 0;
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index 0577825cf89..9ffb01c31c4 100644
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -88,11 +88,9 @@ static __cpuinit void check_tsc_warp(void)
 			__raw_spin_unlock(&sync_lock);
 		}
 	}
-	if (!(now-start)) {
-		printk("Warning: zero tsc calibration delta: %Ld [max: %Ld]\n",
+	WARN(!(now-start),
+		"Warning: zero tsc calibration delta: %Ld [max: %Ld]\n",
 			now-start, end-start);
-		WARN_ON(1);
-	}
 }
 
 /*
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 41e01b145c4..594ef47f0a6 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -184,8 +184,6 @@ static int __init visws_get_smp_config(unsigned int early)
 	return 1;
 }
 
-extern unsigned int __cpuinitdata maxcpus;
-
 /*
  * The Visual Workstation is Intel MP compliant in the hardware
  * sense, but it doesn't have a BIOS(-configuration table).
@@ -244,8 +242,8 @@ static int __init visws_find_smp_config(unsigned int reserve)
 		ncpus = CO_CPU_MAX;
 	}
 
-	if (ncpus > maxcpus)
-		ncpus = maxcpus;
+	if (ncpus > setup_max_cpus)
+		ncpus = setup_max_cpus;
 
 #ifdef CONFIG_X86_LOCAL_APIC
 	smp_found_config = 1;
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index 0a1b1a9d922..6ca515d6db5 100644
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -37,6 +37,7 @@
 #include <asm/timer.h>
 #include <asm/vmi_time.h>
 #include <asm/kmap_types.h>
+#include <asm/setup.h>
 
 /* Convenient for calling VMI functions indirectly in the ROM */
 typedef u32 __attribute__((regparm(1))) (VROMFUNC)(void);
@@ -683,7 +684,7 @@ void vmi_bringup(void)
 {
  	/* We must establish the lowmem mapping for MMU ops to work */
 	if (vmi_ops.set_linear_mapping)
-		vmi_ops.set_linear_mapping(0, (void *)__PAGE_OFFSET, max_low_pfn, 0);
+		vmi_ops.set_linear_mapping(0, (void *)__PAGE_OFFSET, MAXMEM_PFN, 0);
 }
 
 /*
diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S
index cdb2363697d..af5bdad8460 100644
--- a/arch/x86/kernel/vmlinux_32.lds.S
+++ b/arch/x86/kernel/vmlinux_32.lds.S
@@ -209,3 +209,11 @@ SECTIONS
 
   DWARF_DEBUG
 }
+
+#ifdef CONFIG_KEXEC
+/* Link time checks */
+#include <asm/kexec.h>
+
+ASSERT(kexec_control_code_size <= KEXEC_CONTROL_CODE_MAX_SIZE,
+       "kexec control code size is too big")
+#endif
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 2fa231923cf..0bfe2bd305e 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -653,6 +653,84 @@ static void rmap_write_protect(struct kvm *kvm, u64 gfn)
 	account_shadowed(kvm, gfn);
 }
 
+static int kvm_unmap_rmapp(struct kvm *kvm, unsigned long *rmapp)
+{
+	u64 *spte;
+	int need_tlb_flush = 0;
+
+	while ((spte = rmap_next(kvm, rmapp, NULL))) {
+		BUG_ON(!(*spte & PT_PRESENT_MASK));
+		rmap_printk("kvm_rmap_unmap_hva: spte %p %llx\n", spte, *spte);
+		rmap_remove(kvm, spte);
+		set_shadow_pte(spte, shadow_trap_nonpresent_pte);
+		need_tlb_flush = 1;
+	}
+	return need_tlb_flush;
+}
+
+static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
+			  int (*handler)(struct kvm *kvm, unsigned long *rmapp))
+{
+	int i;
+	int retval = 0;
+
+	/*
+	 * If mmap_sem isn't taken, we can look the memslots with only
+	 * the mmu_lock by skipping over the slots with userspace_addr == 0.
+	 */
+	for (i = 0; i < kvm->nmemslots; i++) {
+		struct kvm_memory_slot *memslot = &kvm->memslots[i];
+		unsigned long start = memslot->userspace_addr;
+		unsigned long end;
+
+		/* mmu_lock protects userspace_addr */
+		if (!start)
+			continue;
+
+		end = start + (memslot->npages << PAGE_SHIFT);
+		if (hva >= start && hva < end) {
+			gfn_t gfn_offset = (hva - start) >> PAGE_SHIFT;
+			retval |= handler(kvm, &memslot->rmap[gfn_offset]);
+			retval |= handler(kvm,
+					  &memslot->lpage_info[
+						  gfn_offset /
+						  KVM_PAGES_PER_HPAGE].rmap_pde);
+		}
+	}
+
+	return retval;
+}
+
+int kvm_unmap_hva(struct kvm *kvm, unsigned long hva)
+{
+	return kvm_handle_hva(kvm, hva, kvm_unmap_rmapp);
+}
+
+static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp)
+{
+	u64 *spte;
+	int young = 0;
+
+	spte = rmap_next(kvm, rmapp, NULL);
+	while (spte) {
+		int _young;
+		u64 _spte = *spte;
+		BUG_ON(!(_spte & PT_PRESENT_MASK));
+		_young = _spte & PT_ACCESSED_MASK;
+		if (_young) {
+			young = 1;
+			clear_bit(PT_ACCESSED_SHIFT, (unsigned long *)spte);
+		}
+		spte = rmap_next(kvm, rmapp, spte);
+	}
+	return young;
+}
+
+int kvm_age_hva(struct kvm *kvm, unsigned long hva)
+{
+	return kvm_handle_hva(kvm, hva, kvm_age_rmapp);
+}
+
 #ifdef MMU_DEBUG
 static int is_empty_shadow_page(u64 *spt)
 {
@@ -1203,6 +1281,7 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn)
 	int r;
 	int largepage = 0;
 	pfn_t pfn;
+	unsigned long mmu_seq;
 
 	down_read(&current->mm->mmap_sem);
 	if (is_largepage_backed(vcpu, gfn & ~(KVM_PAGES_PER_HPAGE-1))) {
@@ -1210,6 +1289,8 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn)
 		largepage = 1;
 	}
 
+	mmu_seq = vcpu->kvm->mmu_notifier_seq;
+	/* implicit mb(), we'll read before PT lock is unlocked */
 	pfn = gfn_to_pfn(vcpu->kvm, gfn);
 	up_read(&current->mm->mmap_sem);
 
@@ -1220,6 +1301,8 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn)
 	}
 
 	spin_lock(&vcpu->kvm->mmu_lock);
+	if (mmu_notifier_retry(vcpu, mmu_seq))
+		goto out_unlock;
 	kvm_mmu_free_some_pages(vcpu);
 	r = __direct_map(vcpu, v, write, largepage, gfn, pfn,
 			 PT32E_ROOT_LEVEL);
@@ -1227,6 +1310,11 @@ static int nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn)
 
 
 	return r;
+
+out_unlock:
+	spin_unlock(&vcpu->kvm->mmu_lock);
+	kvm_release_pfn_clean(pfn);
+	return 0;
 }
 
 
@@ -1345,6 +1433,7 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa,
 	int r;
 	int largepage = 0;
 	gfn_t gfn = gpa >> PAGE_SHIFT;
+	unsigned long mmu_seq;
 
 	ASSERT(vcpu);
 	ASSERT(VALID_PAGE(vcpu->arch.mmu.root_hpa));
@@ -1358,6 +1447,8 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa,
 		gfn &= ~(KVM_PAGES_PER_HPAGE-1);
 		largepage = 1;
 	}
+	mmu_seq = vcpu->kvm->mmu_notifier_seq;
+	/* implicit mb(), we'll read before PT lock is unlocked */
 	pfn = gfn_to_pfn(vcpu->kvm, gfn);
 	up_read(&current->mm->mmap_sem);
 	if (is_error_pfn(pfn)) {
@@ -1365,12 +1456,19 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa,
 		return 1;
 	}
 	spin_lock(&vcpu->kvm->mmu_lock);
+	if (mmu_notifier_retry(vcpu, mmu_seq))
+		goto out_unlock;
 	kvm_mmu_free_some_pages(vcpu);
 	r = __direct_map(vcpu, gpa, error_code & PFERR_WRITE_MASK,
 			 largepage, gfn, pfn, kvm_x86_ops->get_tdp_level());
 	spin_unlock(&vcpu->kvm->mmu_lock);
 
 	return r;
+
+out_unlock:
+	spin_unlock(&vcpu->kvm->mmu_lock);
+	kvm_release_pfn_clean(pfn);
+	return 0;
 }
 
 static void nonpaging_free(struct kvm_vcpu *vcpu)
@@ -1670,6 +1768,8 @@ static void mmu_guess_page_from_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
 		gfn &= ~(KVM_PAGES_PER_HPAGE-1);
 		vcpu->arch.update_pte.largepage = 1;
 	}
+	vcpu->arch.update_pte.mmu_seq = vcpu->kvm->mmu_notifier_seq;
+	/* implicit mb(), we'll read before PT lock is unlocked */
 	pfn = gfn_to_pfn(vcpu->kvm, gfn);
 	up_read(&current->mm->mmap_sem);
 
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 4d918220bae..4a814bff21f 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -263,6 +263,8 @@ static void FNAME(update_pte)(struct kvm_vcpu *vcpu, struct kvm_mmu_page *page,
 	pfn = vcpu->arch.update_pte.pfn;
 	if (is_error_pfn(pfn))
 		return;
+	if (mmu_notifier_retry(vcpu, vcpu->arch.update_pte.mmu_seq))
+		return;
 	kvm_get_pfn(pfn);
 	mmu_set_spte(vcpu, spte, page->role.access, pte_access, 0, 0,
 		     gpte & PT_DIRTY_MASK, NULL, largepage, gpte_to_gfn(gpte),
@@ -343,7 +345,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
 		shadow_addr = __pa(shadow_page->spt);
 		shadow_pte = shadow_addr | PT_PRESENT_MASK | PT_ACCESSED_MASK
 			| PT_WRITABLE_MASK | PT_USER_MASK;
-		*shadow_ent = shadow_pte;
+		set_shadow_pte(shadow_ent, shadow_pte);
 	}
 
 	mmu_set_spte(vcpu, shadow_ent, access, walker->pte_access & access,
@@ -380,6 +382,7 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr,
 	int r;
 	pfn_t pfn;
 	int largepage = 0;
+	unsigned long mmu_seq;
 
 	pgprintk("%s: addr %lx err %x\n", __func__, addr, error_code);
 	kvm_mmu_audit(vcpu, "pre page fault");
@@ -413,6 +416,8 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr,
 			largepage = 1;
 		}
 	}
+	mmu_seq = vcpu->kvm->mmu_notifier_seq;
+	/* implicit mb(), we'll read before PT lock is unlocked */
 	pfn = gfn_to_pfn(vcpu->kvm, walker.gfn);
 	up_read(&current->mm->mmap_sem);
 
@@ -424,6 +429,8 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr,
 	}
 
 	spin_lock(&vcpu->kvm->mmu_lock);
+	if (mmu_notifier_retry(vcpu, mmu_seq))
+		goto out_unlock;
 	kvm_mmu_free_some_pages(vcpu);
 	shadow_pte = FNAME(fetch)(vcpu, addr, &walker, user_fault, write_fault,
 				  largepage, &write_pt, pfn);
@@ -439,6 +446,11 @@ static int FNAME(page_fault)(struct kvm_vcpu *vcpu, gva_t addr,
 	spin_unlock(&vcpu->kvm->mmu_lock);
 
 	return write_pt;
+
+out_unlock:
+	spin_unlock(&vcpu->kvm->mmu_lock);
+	kvm_release_pfn_clean(pfn);
+	return 0;
 }
 
 static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t vaddr)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 5916191420c..0d682fc6aeb 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -883,6 +883,7 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_PIT:
 	case KVM_CAP_NOP_IO_DELAY:
 	case KVM_CAP_MP_STATE:
+	case KVM_CAP_SYNC_MMU:
 		r = 1;
 		break;
 	case KVM_CAP_COALESCED_MMIO:
@@ -1495,6 +1496,7 @@ static int kvm_vm_ioctl_set_memory_alias(struct kvm *kvm,
 		goto out;
 
 	down_write(&kvm->slots_lock);
+	spin_lock(&kvm->mmu_lock);
 
 	p = &kvm->arch.aliases[alias->slot];
 	p->base_gfn = alias->guest_phys_addr >> PAGE_SHIFT;
@@ -1506,6 +1508,7 @@ static int kvm_vm_ioctl_set_memory_alias(struct kvm *kvm,
 			break;
 	kvm->arch.naliases = n;
 
+	spin_unlock(&kvm->mmu_lock);
 	kvm_mmu_zap_all(kvm);
 
 	up_write(&kvm->slots_lock);
@@ -3972,16 +3975,23 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
 	 */
 	if (!user_alloc) {
 		if (npages && !old.rmap) {
+			unsigned long userspace_addr;
+
 			down_write(&current->mm->mmap_sem);
-			memslot->userspace_addr = do_mmap(NULL, 0,
-						     npages * PAGE_SIZE,
-						     PROT_READ | PROT_WRITE,
-						     MAP_SHARED | MAP_ANONYMOUS,
-						     0);
+			userspace_addr = do_mmap(NULL, 0,
+						 npages * PAGE_SIZE,
+						 PROT_READ | PROT_WRITE,
+						 MAP_SHARED | MAP_ANONYMOUS,
+						 0);
 			up_write(&current->mm->mmap_sem);
 
-			if (IS_ERR((void *)memslot->userspace_addr))
-				return PTR_ERR((void *)memslot->userspace_addr);
+			if (IS_ERR((void *)userspace_addr))
+				return PTR_ERR((void *)userspace_addr);
+
+			/* set userspace_addr atomically for kvm_hva_to_rmapp */
+			spin_lock(&kvm->mmu_lock);
+			memslot->userspace_addr = userspace_addr;
+			spin_unlock(&kvm->mmu_lock);
 		} else {
 			if (!old.user_alloc && old.rmap) {
 				int ret;
diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S
index dfdf428975c..f118c110af3 100644
--- a/arch/x86/lib/copy_user_64.S
+++ b/arch/x86/lib/copy_user_64.S
@@ -52,7 +52,7 @@
 	jnz 100b
 102:
 	.section .fixup,"ax"
-103:	addl %r8d,%edx			/* ecx is zerorest also */
+103:	addl %ecx,%edx			/* ecx is zerorest also */
 	jmp copy_user_handle_tail
 	.previous
 
diff --git a/arch/x86/lib/copy_user_nocache_64.S b/arch/x86/lib/copy_user_nocache_64.S
index 40e0e309d27..cb0c112386f 100644
--- a/arch/x86/lib/copy_user_nocache_64.S
+++ b/arch/x86/lib/copy_user_nocache_64.S
@@ -32,7 +32,7 @@
 	jnz 100b
 102:
 	.section .fixup,"ax"
-103:	addl %r8d,%edx			/* ecx is zerorest also */
+103:	addl %ecx,%edx			/* ecx is zerorest also */
 	jmp copy_user_handle_tail
 	.previous
 
@@ -108,7 +108,6 @@ ENTRY(__copy_user_nocache)
 	jmp 60f
 50:	movl %ecx,%edx
 60:	sfence
-	movl %r8d,%ecx
 	jmp copy_user_handle_tail
 	.previous
 
diff --git a/arch/x86/lib/msr-on-cpu.c b/arch/x86/lib/msr-on-cpu.c
index d5a2b39f882..01b868ba82f 100644
--- a/arch/x86/lib/msr-on-cpu.c
+++ b/arch/x86/lib/msr-on-cpu.c
@@ -30,10 +30,11 @@ static int _rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h, int safe)
 
 	rv.msr_no = msr_no;
 	if (safe) {
-		smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 1);
-		err = rv.err;
+		err = smp_call_function_single(cpu, __rdmsr_safe_on_cpu,
+					       &rv, 1);
+		err = err ? err : rv.err;
 	} else {
-		smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1);
+		err = smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1);
 	}
 	*l = rv.l;
 	*h = rv.h;
@@ -64,23 +65,24 @@ static int _wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h, int safe)
 	rv.l = l;
 	rv.h = h;
 	if (safe) {
-		smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 1);
-		err = rv.err;
+		err = smp_call_function_single(cpu, __wrmsr_safe_on_cpu,
+					       &rv, 1);
+		err = err ? err : rv.err;
 	} else {
-		smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1);
+		err = smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1);
 	}
 
 	return err;
 }
 
-void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
+int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
 {
-	_wrmsr_on_cpu(cpu, msr_no, l, h, 0);
+	return _wrmsr_on_cpu(cpu, msr_no, l, h, 0);
 }
 
-void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
+int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
 {
-	_rdmsr_on_cpu(cpu, msr_no, l, h, 0);
+	return _rdmsr_on_cpu(cpu, msr_no, l, h, 0);
 }
 
 /* These "safe" variants are slower and should be used when the target MSR
diff --git a/arch/x86/mach-rdc321x/platform.c b/arch/x86/mach-rdc321x/platform.c
index a037041817c..4f4e50c3ad3 100644
--- a/arch/x86/mach-rdc321x/platform.c
+++ b/arch/x86/mach-rdc321x/platform.c
@@ -25,7 +25,6 @@
 #include <linux/list.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
-#include <linux/version.h>
 #include <linux/leds.h>
 
 #include <asm/gpio.h>
diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile
index 2977ea37791..dfb932dcf13 100644
--- a/arch/x86/mm/Makefile
+++ b/arch/x86/mm/Makefile
@@ -1,7 +1,6 @@
 obj-y	:=  init_$(BITS).o fault.o ioremap.o extable.o pageattr.o mmap.o \
-	    pat.o pgtable.o
+	    pat.o pgtable.o gup.o
 
-obj-$(CONFIG_HAVE_GET_USER_PAGES_FAST) += gup.o
 obj-$(CONFIG_X86_32)		+= pgtable_32.o
 
 obj-$(CONFIG_HUGETLB_PAGE)	+= hugetlbpage.o
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 129618ca0ea..d3746efb060 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -60,7 +60,7 @@ static unsigned long dma_reserve __initdata;
 
 DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
 
-int direct_gbpages __meminitdata
+int direct_gbpages
 #ifdef CONFIG_DIRECT_GBPAGES
 				= 1
 #endif
@@ -88,7 +88,11 @@ early_param("gbpages", parse_direct_gbpages_on);
 
 int after_bootmem;
 
-static __init void *spp_getpage(void)
+/*
+ * NOTE: This function is marked __ref because it calls __init function
+ * (alloc_bootmem_pages). It's safe to do it ONLY when after_bootmem == 0.
+ */
+static __ref void *spp_getpage(void)
 {
 	void *ptr;
 
@@ -237,7 +241,7 @@ static unsigned long __initdata table_start;
 static unsigned long __meminitdata table_end;
 static unsigned long __meminitdata table_top;
 
-static __meminit void *alloc_low_page(unsigned long *phys)
+static __ref void *alloc_low_page(unsigned long *phys)
 {
 	unsigned long pfn = table_end++;
 	void *adr;
@@ -258,7 +262,7 @@ static __meminit void *alloc_low_page(unsigned long *phys)
 	return adr;
 }
 
-static __meminit void unmap_low_page(void *adr)
+static __ref void unmap_low_page(void *adr)
 {
 	if (after_bootmem)
 		return;
@@ -314,6 +318,7 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end,
 {
 	unsigned long pages = 0;
 	unsigned long last_map_addr = end;
+	unsigned long start = address;
 
 	int i = pmd_index(address);
 
@@ -331,16 +336,24 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end,
 		}
 
 		if (pmd_val(*pmd)) {
-			if (!pmd_large(*pmd))
+			if (!pmd_large(*pmd)) {
+				spin_lock(&init_mm.page_table_lock);
 				last_map_addr = phys_pte_update(pmd, address,
-								 end);
+								end);
+				spin_unlock(&init_mm.page_table_lock);
+			}
+			/* Count entries we're using from level2_ident_pgt */
+			if (start == 0)
+				pages++;
 			continue;
 		}
 
 		if (page_size_mask & (1<<PG_LEVEL_2M)) {
 			pages++;
+			spin_lock(&init_mm.page_table_lock);
 			set_pte((pte_t *)pmd,
 				pfn_pte(address >> PAGE_SHIFT, PAGE_KERNEL_LARGE));
+			spin_unlock(&init_mm.page_table_lock);
 			last_map_addr = (address & PMD_MASK) + PMD_SIZE;
 			continue;
 		}
@@ -349,7 +362,9 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end,
 		last_map_addr = phys_pte_init(pte, address, end);
 		unmap_low_page(pte);
 
+		spin_lock(&init_mm.page_table_lock);
 		pmd_populate_kernel(&init_mm, pmd, __va(pte_phys));
+		spin_unlock(&init_mm.page_table_lock);
 	}
 	update_page_count(PG_LEVEL_2M, pages);
 	return last_map_addr;
@@ -362,9 +377,7 @@ phys_pmd_update(pud_t *pud, unsigned long address, unsigned long end,
 	pmd_t *pmd = pmd_offset(pud, 0);
 	unsigned long last_map_addr;
 
-	spin_lock(&init_mm.page_table_lock);
 	last_map_addr = phys_pmd_init(pmd, address, end, page_size_mask);
-	spin_unlock(&init_mm.page_table_lock);
 	__flush_tlb_all();
 	return last_map_addr;
 }
@@ -400,20 +413,21 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end,
 
 		if (page_size_mask & (1<<PG_LEVEL_1G)) {
 			pages++;
+			spin_lock(&init_mm.page_table_lock);
 			set_pte((pte_t *)pud,
 				pfn_pte(addr >> PAGE_SHIFT, PAGE_KERNEL_LARGE));
+			spin_unlock(&init_mm.page_table_lock);
 			last_map_addr = (addr & PUD_MASK) + PUD_SIZE;
 			continue;
 		}
 
 		pmd = alloc_low_page(&pmd_phys);
-
-		spin_lock(&init_mm.page_table_lock);
 		last_map_addr = phys_pmd_init(pmd, addr, end, page_size_mask);
 		unmap_low_page(pmd);
+
+		spin_lock(&init_mm.page_table_lock);
 		pud_populate(&init_mm, pud, __va(pmd_phys));
 		spin_unlock(&init_mm.page_table_lock);
-
 	}
 	__flush_tlb_all();
 	update_page_count(PG_LEVEL_1G, pages);
@@ -505,16 +519,14 @@ static unsigned long __init kernel_physical_mapping_init(unsigned long start,
 			continue;
 		}
 
-		if (after_bootmem)
-			pud = pud_offset(pgd, start & PGDIR_MASK);
-		else
-			pud = alloc_low_page(&pud_phys);
-
+		pud = alloc_low_page(&pud_phys);
 		last_map_addr = phys_pud_init(pud, __pa(start), __pa(next),
 						 page_size_mask);
 		unmap_low_page(pud);
-		pgd_populate(&init_mm, pgd_offset_k(start),
-			     __va(pud_phys));
+
+		spin_lock(&init_mm.page_table_lock);
+		pgd_populate(&init_mm, pgd, __va(pud_phys));
+		spin_unlock(&init_mm.page_table_lock);
 	}
 
 	return last_map_addr;
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 016f335bbee..d4b6e6a29ae 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -170,7 +170,7 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
 	phys_addr &= PAGE_MASK;
 	size = PAGE_ALIGN(last_addr+1) - phys_addr;
 
-	retval = reserve_memtype(phys_addr, phys_addr + size,
+	retval = reserve_memtype(phys_addr, (u64)phys_addr + size,
 						prot_val, &new_prot_val);
 	if (retval) {
 		pr_debug("Warning: reserve_memtype returned %d\n", retval);
@@ -553,13 +553,11 @@ static int __init check_early_ioremap_leak(void)
 {
 	if (!early_ioremap_nested)
 		return 0;
-
-	printk(KERN_WARNING
+	WARN(1, KERN_WARNING
 	       "Debug warning: early ioremap leak of %d areas detected.\n",
-	       early_ioremap_nested);
+		early_ioremap_nested);
 	printk(KERN_WARNING
-	       "please boot with early_ioremap_debug and report the dmesg.\n");
-	WARN_ON(1);
+		"please boot with early_ioremap_debug and report the dmesg.\n");
 
 	return 1;
 }
diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
index e7397e108be..635b50e8558 100644
--- a/arch/x86/mm/mmio-mod.c
+++ b/arch/x86/mm/mmio-mod.c
@@ -430,7 +430,9 @@ static void enter_uniprocessor(void)
 						"may miss events.\n");
 }
 
-static void leave_uniprocessor(void)
+/* __ref because leave_uniprocessor calls cpu_up which is __cpuinit,
+   but this whole function is ifdefed CONFIG_HOTPLUG_CPU */
+static void __ref leave_uniprocessor(void)
 {
 	int cpu;
 	int err;
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index 0dcd42eb94e..d4aa503caaa 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -221,8 +221,7 @@ static int pageattr_test(void)
 	failed += print_split(&sc);
 
 	if (failed) {
-		printk(KERN_ERR "NOT PASSED. Please report.\n");
-		WARN_ON(1);
+		WARN(1, KERN_ERR "NOT PASSED. Please report.\n");
 		return -EINVAL;
 	} else {
 		if (print)
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 65c6e46bf05..43e2f8483e4 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -55,13 +55,19 @@ static void split_page_count(int level)
 
 int arch_report_meminfo(char *page)
 {
-	int n = sprintf(page, "DirectMap4k:  %8lu\n"
-			"DirectMap2M:  %8lu\n",
-			direct_pages_count[PG_LEVEL_4K],
-			direct_pages_count[PG_LEVEL_2M]);
+	int n = sprintf(page, "DirectMap4k:  %8lu kB\n",
+			direct_pages_count[PG_LEVEL_4K] << 2);
+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
+	n += sprintf(page + n, "DirectMap2M:  %8lu kB\n",
+			direct_pages_count[PG_LEVEL_2M] << 11);
+#else
+	n += sprintf(page + n, "DirectMap4M:  %8lu kB\n",
+			direct_pages_count[PG_LEVEL_2M] << 12);
+#endif
 #ifdef CONFIG_X86_64
-	n += sprintf(page + n, "DirectMap1G:  %8lu\n",
-		     direct_pages_count[PG_LEVEL_1G]);
+	if (direct_gbpages)
+		n += sprintf(page + n, "DirectMap1G:  %8lu kB\n",
+			direct_pages_count[PG_LEVEL_1G] << 20);
 #endif
 	return n;
 }
@@ -592,10 +598,9 @@ repeat:
 	if (!pte_val(old_pte)) {
 		if (!primary)
 			return 0;
-		printk(KERN_WARNING "CPA: called for zero pte. "
+		WARN(1, KERN_WARNING "CPA: called for zero pte. "
 		       "vaddr = %lx cpa->vaddr = %lx\n", address,
 		       cpa->vaddr);
-		WARN_ON(1);
 		return -EINVAL;
 	}
 
@@ -844,7 +849,7 @@ int set_memory_uc(unsigned long addr, int numpages)
 	/*
 	 * for now UC MINUS. see comments in ioremap_nocache()
 	 */
-	if (reserve_memtype(addr, addr + numpages * PAGE_SIZE,
+	if (reserve_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE,
 			    _PAGE_CACHE_UC_MINUS, NULL))
 		return -EINVAL;
 
@@ -863,7 +868,7 @@ int set_memory_wc(unsigned long addr, int numpages)
 	if (!pat_enabled)
 		return set_memory_uc(addr, numpages);
 
-	if (reserve_memtype(addr, addr + numpages * PAGE_SIZE,
+	if (reserve_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE,
 		_PAGE_CACHE_WC, NULL))
 		return -EINVAL;
 
@@ -879,7 +884,7 @@ int _set_memory_wb(unsigned long addr, int numpages)
 
 int set_memory_wb(unsigned long addr, int numpages)
 {
-	free_memtype(addr, addr + numpages * PAGE_SIZE);
+	free_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE);
 
 	return _set_memory_wb(addr, numpages);
 }
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 2fe30916d4b..2a50e0fa64a 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -207,6 +207,9 @@ static int chk_conflict(struct memtype *new, struct memtype *entry,
 	return -EBUSY;
 }
 
+static struct memtype *cached_entry;
+static u64 cached_start;
+
 /*
  * req_type typically has one of the:
  * - _PAGE_CACHE_WB
@@ -280,11 +283,17 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
 
 	spin_lock(&memtype_lock);
 
+	if (cached_entry && start >= cached_start)
+		entry = cached_entry;
+	else
+		entry = list_entry(&memtype_list, struct memtype, nd);
+
 	/* Search for existing mapping that overlaps the current range */
 	where = NULL;
-	list_for_each_entry(entry, &memtype_list, nd) {
+	list_for_each_entry_continue(entry, &memtype_list, nd) {
 		if (end <= entry->start) {
 			where = entry->nd.prev;
+			cached_entry = list_entry(where, struct memtype, nd);
 			break;
 		} else if (start <= entry->start) { /* end > entry->start */
 			err = chk_conflict(new, entry, new_type);
@@ -292,6 +301,8 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
 				dprintk("Overlap at 0x%Lx-0x%Lx\n",
 					entry->start, entry->end);
 				where = entry->nd.prev;
+				cached_entry = list_entry(where,
+							struct memtype, nd);
 			}
 			break;
 		} else if (start < entry->end) { /* start > entry->start */
@@ -299,7 +310,20 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
 			if (!err) {
 				dprintk("Overlap at 0x%Lx-0x%Lx\n",
 					entry->start, entry->end);
-				where = &entry->nd;
+				cached_entry = list_entry(entry->nd.prev,
+							struct memtype, nd);
+
+				/*
+				 * Move to right position in the linked
+				 * list to add this new entry
+				 */
+				list_for_each_entry_continue(entry,
+							&memtype_list, nd) {
+					if (start <= entry->start) {
+						where = entry->nd.prev;
+						break;
+					}
+				}
 			}
 			break;
 		}
@@ -314,6 +338,8 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
 		return err;
 	}
 
+	cached_start = start;
+
 	if (where)
 		list_add(&new->nd, where);
 	else
@@ -343,6 +369,9 @@ int free_memtype(u64 start, u64 end)
 	spin_lock(&memtype_lock);
 	list_for_each_entry(entry, &memtype_list, nd) {
 		if (entry->start == start && entry->end == end) {
+			if (cached_entry == entry || cached_start == start)
+				cached_entry = NULL;
+
 			list_del(&entry->nd);
 			kfree(entry);
 			err = 0;
@@ -361,14 +390,6 @@ int free_memtype(u64 start, u64 end)
 }
 
 
-/*
- * /dev/mem mmap interface. The memtype used for mapping varies:
- * - Use UC for mappings with O_SYNC flag
- * - Without O_SYNC flag, if there is any conflict in reserve_memtype,
- *   inherit the memtype from existing mapping.
- * - Else use UC_MINUS memtype (for backward compatibility with existing
- *   X drivers.
- */
 pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
 				unsigned long size, pgprot_t vma_prot)
 {
@@ -406,14 +427,14 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
 				unsigned long size, pgprot_t *vma_prot)
 {
 	u64 offset = ((u64) pfn) << PAGE_SHIFT;
-	unsigned long flags = _PAGE_CACHE_UC_MINUS;
+	unsigned long flags = -1;
 	int retval;
 
 	if (!range_is_allowed(pfn, size))
 		return 0;
 
 	if (file->f_flags & O_SYNC) {
-		flags = _PAGE_CACHE_UC;
+		flags = _PAGE_CACHE_UC_MINUS;
 	}
 
 #ifdef CONFIG_X86_32
@@ -436,13 +457,14 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
 #endif
 
 	/*
-	 * With O_SYNC, we can only take UC mapping. Fail if we cannot.
+	 * With O_SYNC, we can only take UC_MINUS mapping. Fail if we cannot.
+	 *
 	 * Without O_SYNC, we want to get
 	 * - WB for WB-able memory and no other conflicting mappings
 	 * - UC_MINUS for non-WB-able memory with no other conflicting mappings
 	 * - Inherit from confliting mappings otherwise
 	 */
-	if (flags != _PAGE_CACHE_UC_MINUS) {
+	if (flags != -1) {
 		retval = reserve_memtype(offset, offset + size, flags, NULL);
 	} else {
 		retval = reserve_memtype(offset, offset + size, -1, &flags);
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 557b2abceef..d50302774fe 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -207,6 +207,9 @@ static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmds[])
 	unsigned long addr;
 	int i;
 
+	if (PREALLOCATED_PMDS == 0) /* Work around gcc-3.4.x bug */
+		return;
+
 	pud = pud_offset(pgd, 0);
 
  	for (addr = i = 0; i < PREALLOCATED_PMDS;
diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index 1eb2973a301..16ae70fc57e 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -178,7 +178,7 @@ void acpi_numa_arch_fixup(void)
  * start of the node, and that the current "end" address is after
  * the previous one.
  */
-static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_chunk)
+static __init int node_read_chunk(int nid, struct node_memory_chunk_s *memory_chunk)
 {
 	/*
 	 * Only add present memory as told by the e820.
@@ -189,10 +189,10 @@ static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_c
 	if (memory_chunk->start_pfn >= max_pfn) {
 		printk(KERN_INFO "Ignoring SRAT pfns: %08lx - %08lx\n",
 			memory_chunk->start_pfn, memory_chunk->end_pfn);
-		return;
+		return -1;
 	}
 	if (memory_chunk->nid != nid)
-		return;
+		return -1;
 
 	if (!node_has_online_mem(nid))
 		node_start_pfn[nid] = memory_chunk->start_pfn;
@@ -202,6 +202,8 @@ static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_c
 
 	if (node_end_pfn[nid] < memory_chunk->end_pfn)
 		node_end_pfn[nid] = memory_chunk->end_pfn;
+
+	return 0;
 }
 
 int __init get_memcfg_from_srat(void)
@@ -259,7 +261,9 @@ int __init get_memcfg_from_srat(void)
 		printk(KERN_DEBUG
 			"chunk %d nid %d start_pfn %08lx end_pfn %08lx\n",
 		       j, chunk->nid, chunk->start_pfn, chunk->end_pfn);
-		node_read_chunk(chunk->nid, chunk);
+		if (node_read_chunk(chunk->nid, chunk))
+			continue;
+
 		e820_register_active_regions(chunk->nid, chunk->start_pfn,
 					     min(chunk->end_pfn, max_pfn));
 	}
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 3f90289410e..0227694f7da 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -15,6 +15,7 @@
 #include <linux/slab.h>
 #include <linux/moduleparam.h>
 #include <linux/kdebug.h>
+#include <linux/cpu.h>
 #include <asm/nmi.h>
 #include <asm/msr.h>
 #include <asm/apic.h>
@@ -28,23 +29,48 @@ static DEFINE_PER_CPU(unsigned long, saved_lvtpc);
 
 static int nmi_start(void);
 static void nmi_stop(void);
+static void nmi_cpu_start(void *dummy);
+static void nmi_cpu_stop(void *dummy);
 
 /* 0 == registered but off, 1 == registered and on */
 static int nmi_enabled = 0;
 
+#ifdef CONFIG_SMP
+static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action,
+				 void *data)
+{
+	int cpu = (unsigned long)data;
+	switch (action) {
+	case CPU_DOWN_FAILED:
+	case CPU_ONLINE:
+		smp_call_function_single(cpu, nmi_cpu_start, NULL, 0);
+		break;
+	case CPU_DOWN_PREPARE:
+		smp_call_function_single(cpu, nmi_cpu_stop, NULL, 1);
+		break;
+	}
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block oprofile_cpu_nb = {
+	.notifier_call = oprofile_cpu_notifier
+};
+#endif
+
 #ifdef CONFIG_PM
 
 static int nmi_suspend(struct sys_device *dev, pm_message_t state)
 {
+	/* Only one CPU left, just stop that one */
 	if (nmi_enabled == 1)
-		nmi_stop();
+		nmi_cpu_stop(NULL);
 	return 0;
 }
 
 static int nmi_resume(struct sys_device *dev)
 {
 	if (nmi_enabled == 1)
-		nmi_start();
+		nmi_cpu_start(NULL);
 	return 0;
 }
 
@@ -463,6 +489,9 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 	}
 
 	init_sysfs();
+#ifdef CONFIG_SMP
+	register_cpu_notifier(&oprofile_cpu_nb);
+#endif
 	using_nmi = 1;
 	ops->create_files = nmi_create_files;
 	ops->setup = nmi_setup;
@@ -476,6 +505,10 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 
 void op_nmi_exit(void)
 {
-	if (using_nmi)
+	if (using_nmi) {
 		exit_sysfs();
+#ifdef CONFIG_SMP
+		unregister_cpu_notifier(&oprofile_cpu_nb);
+#endif
+	}
 }
diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c
index dbf53236971..6a0fca78c36 100644
--- a/arch/x86/pci/amd_bus.c
+++ b/arch/x86/pci/amd_bus.c
@@ -1,6 +1,7 @@
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/topology.h>
+#include <linux/cpu.h>
 #include "pci.h"
 
 #ifdef CONFIG_X86_64
@@ -555,15 +556,17 @@ static int __init early_fill_mp_bus_info(void)
 	return 0;
 }
 
-postcore_initcall(early_fill_mp_bus_info);
+#else  /* !CONFIG_X86_64 */
 
-#endif
+static int __init early_fill_mp_bus_info(void) { return 0; }
+
+#endif /* !CONFIG_X86_64 */
 
 /* common 32/64 bit code */
 
 #define ENABLE_CF8_EXT_CFG      (1ULL << 46)
 
-static void enable_pci_io_ecs_per_cpu(void *unused)
+static void enable_pci_io_ecs(void *unused)
 {
 	u64 reg;
 	rdmsrl(MSR_AMD64_NB_CFG, reg);
@@ -573,14 +576,51 @@ static void enable_pci_io_ecs_per_cpu(void *unused)
 	}
 }
 
-static int __init enable_pci_io_ecs(void)
+static int __cpuinit amd_cpu_notify(struct notifier_block *self,
+				    unsigned long action, void *hcpu)
 {
+	int cpu = (long)hcpu;
+	switch(action) {
+	case CPU_ONLINE:
+	case CPU_ONLINE_FROZEN:
+		smp_call_function_single(cpu, enable_pci_io_ecs, NULL, 0);
+		break;
+	default:
+		break;
+	}
+	return NOTIFY_OK;
+}
+
+static struct notifier_block __cpuinitdata amd_cpu_notifier = {
+	.notifier_call	= amd_cpu_notify,
+};
+
+static int __init pci_io_ecs_init(void)
+{
+	int cpu;
+
 	/* assume all cpus from fam10h have IO ECS */
         if (boot_cpu_data.x86 < 0x10)
 		return 0;
-	on_each_cpu(enable_pci_io_ecs_per_cpu, NULL, 1);
+
+	register_cpu_notifier(&amd_cpu_notifier);
+	for_each_online_cpu(cpu)
+		amd_cpu_notify(&amd_cpu_notifier, (unsigned long)CPU_ONLINE,
+			       (void *)(long)cpu);
 	pci_probe |= PCI_HAS_IO_ECS;
+
+	return 0;
+}
+
+static int __init amd_postcore_init(void)
+{
+	if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD)
+		return 0;
+
+	early_fill_mp_bus_info();
+	pci_io_ecs_init();
+
 	return 0;
 }
 
-postcore_initcall(enable_pci_io_ecs);
+postcore_initcall(amd_postcore_init);
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 5807d1bc73f..8791fc55e71 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -128,8 +128,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
 				pr = pci_find_parent_resource(dev, r);
 				if (!r->start || !pr ||
 				    request_resource(pr, r) < 0) {
-					dev_err(&dev->dev, "BAR %d: can't "
-						"allocate resource\n", idx);
+					dev_err(&dev->dev, "BAR %d: can't allocate resource\n", idx);
 					/*
 					 * Something is wrong with the region.
 					 * Invalidate the resource to prevent
@@ -164,15 +163,13 @@ static void __init pcibios_allocate_resources(int pass)
 			else
 				disabled = !(command & PCI_COMMAND_MEMORY);
 			if (pass == disabled) {
-				dev_dbg(&dev->dev, "resource %#08llx-%#08llx "
-					"(f=%lx, d=%d, p=%d)\n",
+				dev_dbg(&dev->dev, "resource %#08llx-%#08llx (f=%lx, d=%d, p=%d)\n",
 					(unsigned long long) r->start,
 					(unsigned long long) r->end,
 					r->flags, disabled, pass);
 				pr = pci_find_parent_resource(dev, r);
 				if (!pr || request_resource(pr, r) < 0) {
-					dev_err(&dev->dev, "BAR %d: can't "
-						"allocate resource\n", idx);
+					dev_err(&dev->dev, "BAR %d: can't allocate resource\n", idx);
 					/* We'll assign a new address later */
 					r->end -= r->start;
 					r->start = 0;
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index fec0123b33a..8e077185e18 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -590,6 +590,8 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
 	case PCI_DEVICE_ID_INTEL_ICH10_1:
 	case PCI_DEVICE_ID_INTEL_ICH10_2:
 	case PCI_DEVICE_ID_INTEL_ICH10_3:
+	case PCI_DEVICE_ID_INTEL_PCH_0:
+	case PCI_DEVICE_ID_INTEL_PCH_1:
 		r->name = "PIIX/ICH";
 		r->get = pirq_piix_get;
 		r->set = pirq_piix_set;
diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c
index ec9ce35e44d..b722dd481b3 100644
--- a/arch/x86/pci/legacy.c
+++ b/arch/x86/pci/legacy.c
@@ -14,7 +14,7 @@ static void __devinit pcibios_fixup_peer_bridges(void)
 	int n, devfn;
 	long node;
 
-	if (pcibios_last_bus <= 0 || pcibios_last_bus >= 0xff)
+	if (pcibios_last_bus <= 0 || pcibios_last_bus > 0xff)
 		return;
 	DBG("PCI: Peer bridge fixup\n");
 
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 23faaa890ff..d9635764ce3 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -293,7 +293,7 @@ static acpi_status __init find_mboard_resource(acpi_handle handle, u32 lvl,
 	return AE_OK;
 }
 
-static int __init is_acpi_reserved(unsigned long start, unsigned long end)
+static int __init is_acpi_reserved(u64 start, u64 end, unsigned not_used)
 {
 	struct resource mcfg_res;
 
@@ -310,6 +310,41 @@ static int __init is_acpi_reserved(unsigned long start, unsigned long end)
 	return mcfg_res.flags;
 }
 
+typedef int (*check_reserved_t)(u64 start, u64 end, unsigned type);
+
+static int __init is_mmconf_reserved(check_reserved_t is_reserved,
+		u64 addr, u64 size, int i,
+		typeof(pci_mmcfg_config[0]) *cfg, int with_e820)
+{
+	u64 old_size = size;
+	int valid = 0;
+
+	while (!is_reserved(addr, addr + size - 1, E820_RESERVED)) {
+		size >>= 1;
+		if (size < (16UL<<20))
+			break;
+	}
+
+	if (size >= (16UL<<20) || size == old_size) {
+		printk(KERN_NOTICE
+		       "PCI: MCFG area at %Lx reserved in %s\n",
+			addr, with_e820?"E820":"ACPI motherboard resources");
+		valid = 1;
+
+		if (old_size != size) {
+			/* update end_bus_number */
+			cfg->end_bus_number = cfg->start_bus_number + ((size>>20) - 1);
+			printk(KERN_NOTICE "PCI: updated MCFG configuration %d: base %lx "
+			       "segment %hu buses %u - %u\n",
+			       i, (unsigned long)cfg->address, cfg->pci_segment,
+			       (unsigned int)cfg->start_bus_number,
+			       (unsigned int)cfg->end_bus_number);
+		}
+	}
+
+	return valid;
+}
+
 static void __init pci_mmcfg_reject_broken(int early)
 {
 	typeof(pci_mmcfg_config[0]) *cfg;
@@ -324,21 +359,22 @@ static void __init pci_mmcfg_reject_broken(int early)
 
 	for (i = 0; i < pci_mmcfg_config_num; i++) {
 		int valid = 0;
-		u32 size = (cfg->end_bus_number + 1) << 20;
+		u64 addr, size;
+
 		cfg = &pci_mmcfg_config[i];
+		addr = cfg->start_bus_number;
+		addr <<= 20;
+		addr += cfg->address;
+		size = cfg->end_bus_number + 1 - cfg->start_bus_number;
+		size <<= 20;
 		printk(KERN_NOTICE "PCI: MCFG configuration %d: base %lx "
 		       "segment %hu buses %u - %u\n",
 		       i, (unsigned long)cfg->address, cfg->pci_segment,
 		       (unsigned int)cfg->start_bus_number,
 		       (unsigned int)cfg->end_bus_number);
 
-		if (!early &&
-		    is_acpi_reserved(cfg->address, cfg->address + size - 1)) {
-			printk(KERN_NOTICE "PCI: MCFG area at %Lx reserved "
-			       "in ACPI motherboard resources\n",
-			       cfg->address);
-			valid = 1;
-		}
+		if (!early)
+			valid = is_mmconf_reserved(is_acpi_reserved, addr, size, i, cfg, 0);
 
 		if (valid)
 			continue;
@@ -347,16 +383,11 @@ static void __init pci_mmcfg_reject_broken(int early)
 			printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %Lx is not"
 			       " reserved in ACPI motherboard resources\n",
 			       cfg->address);
+
 		/* Don't try to do this check unless configuration
 		   type 1 is available. how about type 2 ?*/
-		if (raw_pci_ops && e820_all_mapped(cfg->address,
-						  cfg->address + size - 1,
-						  E820_RESERVED)) {
-			printk(KERN_NOTICE
-			       "PCI: MCFG area at %Lx reserved in E820\n",
-			       cfg->address);
-			valid = 1;
-		}
+		if (raw_pci_ops)
+			valid = is_mmconf_reserved(e820_all_mapped, addr, size, i, cfg, 1);
 
 		if (!valid)
 			goto reject;
@@ -365,7 +396,7 @@ static void __init pci_mmcfg_reject_broken(int early)
 	return;
 
 reject:
-	printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
+	printk(KERN_INFO "PCI: Not using MMCONFIG.\n");
 	pci_mmcfg_arch_free();
 	kfree(pci_mmcfg_config);
 	pci_mmcfg_config = NULL;
diff --git a/arch/x86/power/cpu_32.c b/arch/x86/power/cpu_32.c
index 7dc5d5cf50a..d3e083dea72 100644
--- a/arch/x86/power/cpu_32.c
+++ b/arch/x86/power/cpu_32.c
@@ -45,7 +45,7 @@ static void __save_processor_state(struct saved_context *ctxt)
 	ctxt->cr0 = read_cr0();
 	ctxt->cr2 = read_cr2();
 	ctxt->cr3 = read_cr3();
-	ctxt->cr4 = read_cr4();
+	ctxt->cr4 = read_cr4_safe();
 }
 
 /* Needed by apm.c */
@@ -98,7 +98,9 @@ static void __restore_processor_state(struct saved_context *ctxt)
 	/*
 	 * control registers
 	 */
-	write_cr4(ctxt->cr4);
+	/* cr4 was introduced in the Pentium CPU */
+	if (ctxt->cr4)
+		write_cr4(ctxt->cr4);
 	write_cr3(ctxt->cr3);
 	write_cr2(ctxt->cr2);
 	write_cr0(ctxt->cr0);
diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S
index b95aa6cfe3c..4fc7e872c85 100644
--- a/arch/x86/power/hibernate_asm_32.S
+++ b/arch/x86/power/hibernate_asm_32.S
@@ -28,9 +28,9 @@ ENTRY(swsusp_arch_suspend)
 	ret
 
 ENTRY(restore_image)
-	movl	resume_pg_dir, %ecx
-	subl	$__PAGE_OFFSET, %ecx
-	movl	%ecx, %cr3
+	movl	resume_pg_dir, %eax
+	subl	$__PAGE_OFFSET, %eax
+	movl	%eax, %cr3
 
 	movl	restore_pblist, %edx
 	.p2align 4,,7
@@ -52,17 +52,21 @@ copy_loop:
 
 done:
 	/* go back to the original page tables */
-	movl	$swapper_pg_dir, %ecx
-	subl	$__PAGE_OFFSET, %ecx
-	movl	%ecx, %cr3
+	movl	$swapper_pg_dir, %eax
+	subl	$__PAGE_OFFSET, %eax
+	movl	%eax, %cr3
 	/* Flush TLB, including "global" things (vmalloc) */
-	movl	mmu_cr4_features, %eax
-	movl	%eax, %edx
+	movl	mmu_cr4_features, %ecx
+	jecxz	1f	# cr4 Pentium and higher, skip if zero
+	movl	%ecx, %edx
 	andl	$~(1<<7), %edx;  # PGE
 	movl	%edx, %cr4;  # turn off PGE
-	movl	%cr3, %ecx;  # flush TLB
-	movl	%ecx, %cr3
-	movl	%eax, %cr4;  # turn PGE back on
+1:
+	movl	%cr3, %eax;  # flush TLB
+	movl	%eax, %cr3
+	jecxz	1f	# cr4 Pentium and higher, skip if zero
+	movl	%ecx, %cr4;  # turn PGE back on
+1:
 
 	movl saved_context_esp, %esp
 	movl saved_context_ebp, %ebp
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 9ff6e3cbf08..a4e201b47f6 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1324,7 +1324,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
 	.ptep_modify_prot_commit = __ptep_modify_prot_commit,
 
 	.pte_val = xen_pte_val,
-	.pte_flags = native_pte_val,
+	.pte_flags = native_pte_flags,
 	.pgd_val = xen_pgd_val,
 
 	.make_pte = xen_make_pte,