Merge branch 'master' into upstream-fixes

8 files changed, 92 insertions, 43 deletions

diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index 4844b543bed..47bfba6e9dc 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-git7
-# Wed Sep 27 21:53:10 2006
+# Linux kernel version: 2.6.19-rc1
+# Thu Oct  5 13:04:43 2006
 #
 CONFIG_X86_64=y
 CONFIG_64BIT=y
@@ -19,6 +19,7 @@ CONFIG_EARLY_PRINTK=y
 CONFIG_GENERIC_ISA_DMA=y
 CONFIG_GENERIC_IOMAP=y
 CONFIG_ARCH_MAY_HAVE_PC_FDC=y
+CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_DMI=y
 CONFIG_AUDIT_ARCH=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -37,9 +38,11 @@ CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
+# CONFIG_IPC_NS is not set
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
+# CONFIG_UTS_NS is not set
 # CONFIG_AUDIT is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
@@ -47,9 +50,10 @@ CONFIG_IKCONFIG_PROC=y
 # CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
 # CONFIG_EMBEDDED is not set
 CONFIG_UID16=y
-CONFIG_SYSCTL=y
+# CONFIG_SYSCTL_SYSCALL is not set
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -82,6 +86,7 @@ CONFIG_STOP_MACHINE=y
 #
 # Block layer
 #
+CONFIG_BLOCK=y
 CONFIG_LBD=y
 # CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_LSF is not set
@@ -252,9 +257,11 @@ CONFIG_PCI=y
 CONFIG_PCI_DIRECT=y
 CONFIG_PCI_MMCONFIG=y
 CONFIG_PCIEPORTBUS=y
+CONFIG_PCIEAER=y
 CONFIG_PCI_MSI=y
 # CONFIG_PCI_MULTITHREAD_PROBE is not set
 # CONFIG_PCI_DEBUG is not set
+# CONFIG_HT_IRQ is not set
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -309,6 +316,7 @@ CONFIG_IP_PNP_DHCP=y
 # CONFIG_INET_TUNNEL is not set
 # CONFIG_INET_XFRM_MODE_TRANSPORT is not set
 # CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
 CONFIG_INET_DIAG=y
 CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
@@ -325,6 +333,7 @@ CONFIG_IPV6=y
 # CONFIG_INET6_TUNNEL is not set
 # CONFIG_INET6_XFRM_MODE_TRANSPORT is not set
 # CONFIG_INET6_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET6_XFRM_MODE_BEET is not set
 # CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
 # CONFIG_IPV6_TUNNEL is not set
 # CONFIG_IPV6_SUBTREES is not set
@@ -473,6 +482,7 @@ CONFIG_BLK_DEV_ATIIXP=y
 # CONFIG_BLK_DEV_CS5530 is not set
 # CONFIG_BLK_DEV_HPT34X is not set
 # CONFIG_BLK_DEV_HPT366 is not set
+# CONFIG_BLK_DEV_JMICRON is not set
 # CONFIG_BLK_DEV_SC1200 is not set
 CONFIG_BLK_DEV_PIIX=y
 # CONFIG_BLK_DEV_IT821X is not set
@@ -564,6 +574,7 @@ CONFIG_MEGARAID_SAS=y
 # CONFIG_SCSI_IPR is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 # CONFIG_SCSI_QLA_FC is not set
+# CONFIG_SCSI_QLA_ISCSI is not set
 # CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
@@ -605,7 +616,6 @@ CONFIG_SATA_INTEL_COMBINED=y
 # CONFIG_PATA_HPT3X3 is not set
 # CONFIG_PATA_IT821X is not set
 # CONFIG_PATA_JMICRON is not set
-# CONFIG_PATA_LEGACY is not set
 # CONFIG_PATA_TRIFLEX is not set
 # CONFIG_PATA_MPIIX is not set
 # CONFIG_PATA_OLDPIIX is not set
@@ -614,7 +624,6 @@ CONFIG_SATA_INTEL_COMBINED=y
 # CONFIG_PATA_OPTI is not set
 # CONFIG_PATA_OPTIDMA is not set
 # CONFIG_PATA_PDC_OLD is not set
-# CONFIG_PATA_QDI is not set
 # CONFIG_PATA_RADISYS is not set
 # CONFIG_PATA_RZ1000 is not set
 # CONFIG_PATA_SC1200 is not set
@@ -631,6 +640,7 @@ CONFIG_SATA_INTEL_COMBINED=y
 CONFIG_MD=y
 # CONFIG_BLK_DEV_MD is not set
 CONFIG_BLK_DEV_DM=y
+# CONFIG_DM_DEBUG is not set
 # CONFIG_DM_CRYPT is not set
 # CONFIG_DM_SNAPSHOT is not set
 # CONFIG_DM_MIRROR is not set
@@ -819,6 +829,7 @@ CONFIG_NET_POLL_CONTROLLER=y
 # Input device support
 #
 CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
 
 #
 # Userland interfaces
@@ -841,6 +852,7 @@ CONFIG_KEYBOARD_ATKBD=y
 # CONFIG_KEYBOARD_LKKBD is not set
 # CONFIG_KEYBOARD_XTKBD is not set
 # CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
 CONFIG_INPUT_MOUSE=y
 CONFIG_MOUSE_PS2=y
 # CONFIG_MOUSE_SERIAL is not set
@@ -1008,6 +1020,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1026 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_K8TEMP is not set
 # CONFIG_SENSORS_ASB100 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
@@ -1034,6 +1047,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M192 is not set
 CONFIG_SENSORS_SMSC47B397=m
 # CONFIG_SENSORS_VIA686A is not set
+# CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_VT8231 is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83791D is not set
@@ -1048,12 +1062,12 @@ CONFIG_SENSORS_SMSC47B397=m
 # Misc devices
 #
 # CONFIG_IBM_ASM is not set
+# CONFIG_TIFM_CORE is not set
 
 #
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
-CONFIG_VIDEO_V4L2=y
 
 #
 # Digital Video Broadcasting Devices
@@ -1159,6 +1173,7 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
 # CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_KARMA is not set
 # CONFIG_USB_LIBUSUAL is not set
 
 #
@@ -1181,6 +1196,7 @@ CONFIG_USB_HIDINPUT=y
 # CONFIG_USB_ATI_REMOTE2 is not set
 # CONFIG_USB_KEYSPAN_REMOTE is not set
 # CONFIG_USB_APPLETOUCH is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
 
 #
 # USB Imaging devices
@@ -1212,6 +1228,7 @@ 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
@@ -1219,9 +1236,9 @@ CONFIG_USB_MON=y
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
-# CONFIG_USB_PHIDGETKIT is not set
-# CONFIG_USB_PHIDGETSERVO is not set
+# CONFIG_USB_PHIDGET is not set
 # CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
 # CONFIG_USB_APPLEDISPLAY is not set
 # CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_LD is not set
@@ -1313,6 +1330,7 @@ CONFIG_REISERFS_FS_POSIX_ACL=y
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -1347,8 +1365,10 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 #
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
 CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
@@ -1398,6 +1418,7 @@ CONFIG_SUNRPC=y
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
 # CONFIG_9P_FS is not set
+CONFIG_GENERIC_ACL=y
 
 #
 # Partition Types
@@ -1450,6 +1471,10 @@ CONFIG_NLS_ISO8859_15=y
 CONFIG_NLS_UTF8=y
 
 #
+# Distributed Lock Manager
+#
+
+#
 # Instrumentation Support
 #
 CONFIG_PROFILING=y
@@ -1482,11 +1507,13 @@ CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_LIST is not set
 # CONFIG_FRAME_POINTER is not set
 CONFIG_UNWIND_INFO=y
 CONFIG_STACK_UNWIND=y
 # CONFIG_FORCED_INLINING is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_LKDTM is not set
 # CONFIG_DEBUG_RODATA is not set
 # CONFIG_IOMMU_DEBUG is not set
 CONFIG_DEBUG_STACKOVERFLOW=y
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 6472e321cad..af4a1c71a80 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -885,14 +885,14 @@ void setup_APIC_extened_lvt(unsigned char lvt_off, unsigned char vector,
  * value into /proc/profile.
  */
 
-void smp_local_timer_interrupt(struct pt_regs *regs)
+void smp_local_timer_interrupt(void)
 {
-	profile_tick(CPU_PROFILING, regs);
+	profile_tick(CPU_PROFILING);
 #ifdef CONFIG_SMP
-	update_process_times(user_mode(regs));
+	update_process_times(user_mode(get_irq_regs()));
 #endif
 	if (apic_runs_main_timer > 1 && smp_processor_id() == boot_cpu_id)
-		main_timer_handler(regs);
+		main_timer_handler();
 	/*
 	 * We take the 'long' return path, and there every subsystem
 	 * grabs the appropriate locks (kernel lock/ irq lock).
@@ -913,7 +913,7 @@ void smp_local_timer_interrupt(struct pt_regs *regs)
  * [ if a single-CPU system runs an SMP kernel then we call the local
  *   interrupt as well. Thus we cannot inline the local irq ... ]
  */
-void smp_apic_timer_interrupt(struct pt_regs *regs)
+void smp_apic_timer_interrupt(void)
 {
 	/*
 	 * the NMI deadlock-detector uses this.
@@ -932,7 +932,7 @@ void smp_apic_timer_interrupt(struct pt_regs *regs)
 	 */
 	exit_idle();
 	irq_enter();
-	smp_local_timer_interrupt(regs);
+	smp_local_timer_interrupt();
 	irq_exit();
 }
 
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index b8285cf1a9c..38a7b2d528e 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -535,6 +535,8 @@ END(stub_rt_sigreturn)
 1:	incl	%gs:pda_irqcount
 	cmoveq %gs:pda_irqstackptr,%rsp
 	push    %rbp			# backlink for old unwinder
+	CFI_ADJUST_CFA_OFFSET 8
+	CFI_REL_OFFSET rbp,0
 	/*
 	 * We entered an interrupt context - irqs are off:
 	 */
@@ -978,6 +980,11 @@ ENTRY(kernel_thread)
 	call do_fork
 	movq %rax,RAX(%rsp)
 	xorl %edi,%edi
+	test %rax,%rax
+	jnz  1f
+	/* terminate stack in child */
+	movq %rdi,RIP(%rsp)
+1:
 
 	/*
 	 * It isn't worth to check for reschedule here,
@@ -1169,6 +1176,7 @@ ENTRY(call_softirq)
 	incl %gs:pda_irqcount
 	cmove %gs:pda_irqstackptr,%rsp
 	push  %rbp			# backlink for old unwinder
+	CFI_ADJUST_CFA_OFFSET    8
 	call __do_softirq
 	leaveq
 	CFI_DEF_CFA_REGISTER	rsp
diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c
index 506f27c85ca..b8a407fcd5d 100644
--- a/arch/x86_64/kernel/irq.c
+++ b/arch/x86_64/kernel/irq.c
@@ -103,7 +103,9 @@ skip:
  * handlers).
  */
 asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
-{	
+{
+	struct pt_regs *old_regs = set_irq_regs(regs);
+
 	/* high bit used in ret_from_ code  */
 	unsigned vector = ~regs->orig_rax;
 	unsigned irq;
@@ -121,9 +123,10 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
 #ifdef CONFIG_DEBUG_STACKOVERFLOW
 	stack_overflow_check(regs);
 #endif
-	generic_handle_irq(irq, regs);
+	generic_handle_irq(irq);
 	irq_exit();
 
+	set_irq_regs(old_regs);
 	return 1;
 }
 
diff --git a/arch/x86_64/kernel/pci-calgary.c b/arch/x86_64/kernel/pci-calgary.c
index f760045d6d3..b3296cc2f2f 100644
--- a/arch/x86_64/kernel/pci-calgary.c
+++ b/arch/x86_64/kernel/pci-calgary.c
@@ -2,8 +2,9 @@
  * Derived from arch/powerpc/kernel/iommu.c
  *
  * Copyright (C) IBM Corporation, 2006
+ * Copyright (C) 2006  Jon Mason <jdmason@kudzu.us>
  *
- * Author: Jon Mason <jdmason@us.ibm.com>
+ * Author: Jon Mason <jdmason@kudzu.us>
  * Author: Muli Ben-Yehuda <muli@il.ibm.com>
 
  * This program is free software; you can redistribute it and/or modify
@@ -714,7 +715,7 @@ static void calgary_watchdog(unsigned long data)
 
 	/* If no error, the agent ID in the CSR is not valid */
 	if (val32 & CSR_AGENT_MASK) {
-		printk(KERN_EMERG "calgary_watchdog: DMA error on bus %d, "
+		printk(KERN_EMERG "calgary_watchdog: DMA error on PHB %#x, "
 				  "CSR = %#x\n", dev->bus->number, val32);
 		writel(0, target);
 
@@ -748,7 +749,7 @@ static void __init calgary_enable_translation(struct pci_dev *dev)
 	val32 = be32_to_cpu(readl(target));
 	val32 |= PHB_TCE_ENABLE | PHB_DAC_DISABLE | PHB_MCSR_ENABLE;
 
-	printk(KERN_INFO "Calgary: enabling translation on PHB %d\n", busnum);
+	printk(KERN_INFO "Calgary: enabling translation on PHB %#x\n", busnum);
 	printk(KERN_INFO "Calgary: errant DMAs will now be prevented on this "
 	       "bus.\n");
 
@@ -778,7 +779,7 @@ static void __init calgary_disable_translation(struct pci_dev *dev)
 	val32 = be32_to_cpu(readl(target));
 	val32 &= ~(PHB_TCE_ENABLE | PHB_DAC_DISABLE | PHB_MCSR_ENABLE);
 
-	printk(KERN_INFO "Calgary: disabling translation on PHB %d!\n", busnum);
+	printk(KERN_INFO "Calgary: disabling translation on PHB %#x!\n", busnum);
 	writel(cpu_to_be32(val32), target);
 	readl(target); /* flush */
 
@@ -790,7 +791,16 @@ static inline unsigned int __init locate_register_space(struct pci_dev *dev)
 	int rionodeid;
 	u32 address;
 
-	rionodeid = (dev->bus->number % 15 > 4) ? 3 : 2;
+	/*
+	 * Each Calgary has four busses. The first four busses (first Calgary)
+	 * have RIO node ID 2, then the next four (second Calgary) have RIO
+	 * node ID 3, the next four (third Calgary) have node ID 2 again, etc.
+	 * We use a gross hack - relying on the dev->bus->number ordering,
+	 * modulo 14 - to decide which Calgary a given bus is on. Busses 0, 1,
+	 * 2 and 4 are on the first Calgary (id 2), 6, 8, a and c are on the
+	 * second (id 3), and then it repeats modulo 14.
+ 	 */
+	rionodeid = (dev->bus->number % 14 > 4) ? 3 : 2;
 	/*
 	 * register space address calculation as follows:
 	 * FE0MB-8MB*OneBasedChassisNumber+1MB*(RioNodeId-ChassisBase)
@@ -798,7 +808,7 @@ static inline unsigned int __init locate_register_space(struct pci_dev *dev)
 	 * RioNodeId is 2 for first Calgary, 3 for second Calgary
 	 */
 	address = START_ADDRESS	-
-		(0x800000 * (ONE_BASED_CHASSIS_NUM + dev->bus->number / 15)) +
+		(0x800000 * (ONE_BASED_CHASSIS_NUM + dev->bus->number / 14)) +
 		(0x100000) * (rionodeid - CHASSIS_BASE);
 	return address;
 }
@@ -816,6 +826,8 @@ static int __init calgary_init_one(struct pci_dev *dev)
 	void __iomem *bbar;
 	int ret;
 
+	BUG_ON(dev->bus->number >= MAX_PHB_BUS_NUM);
+
 	address = locate_register_space(dev);
 	/* map entire 1MB of Calgary config space */
 	bbar = ioremap_nocache(address, 1024 * 1024);
@@ -842,10 +854,10 @@ done:
 
 static int __init calgary_init(void)
 {
-	int i, ret = -ENODEV;
+	int ret = -ENODEV;
 	struct pci_dev *dev = NULL;
 
-	for (i = 0; i < MAX_PHB_BUS_NUM; i++) {
+	do {
 		dev = pci_get_device(PCI_VENDOR_ID_IBM,
 				     PCI_DEVICE_ID_IBM_CALGARY,
 				     dev);
@@ -861,12 +873,12 @@ static int __init calgary_init(void)
 		ret = calgary_init_one(dev);
 		if (ret)
 			goto error;
-	}
+	} while (1);
 
 	return ret;
 
 error:
-	for (i--; i >= 0; i--) {
+	do {
 		dev = pci_find_device_reverse(PCI_VENDOR_ID_IBM,
 					      PCI_DEVICE_ID_IBM_CALGARY,
 					      dev);
@@ -882,7 +894,7 @@ error:
 		calgary_disable_translation(dev);
 		calgary_free_bus(dev);
 		pci_dev_put(dev); /* Undo calgary_init_one()'s pci_dev_get() */
-	}
+	} while (1);
 
 	return ret;
 }
@@ -1052,7 +1064,7 @@ static int __init calgary_parse_options(char *p)
 
 			if (bridge < MAX_PHB_BUS_NUM) {
 				printk(KERN_INFO "Calgary: disabling "
-				       "translation for PHB 0x%x\n", bridge);
+				       "translation for PHB %#x\n", bridge);
 				bus_info[bridge].translation_disabled = 1;
 			}
 		}
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index de10cb8a2c9..5e95b257ee2 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -615,6 +615,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 		prev->gsindex = gsindex;
 	}
 
+	/* Must be after DS reload */
+	unlazy_fpu(prev_p);
+
 	/* 
 	 * Switch the PDA and FPU contexts.
 	 */
@@ -622,10 +625,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 	write_pda(oldrsp, next->userrsp); 
 	write_pda(pcurrent, next_p); 
 
-	/* This must be here to ensure both math_state_restore() and
-	   kernel_fpu_begin() work consistently. 
-	   And the AMD workaround requires it to be after DS reload. */
-	unlazy_fpu(prev_p);
 	write_pda(kernelstack,
 	(unsigned long)task_stack_page(next_p) + THREAD_SIZE - PDA_STACKOFFSET);
 #ifdef CONFIG_CC_STACKPROTECTOR
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 557e92af7be..1ba5a442ac3 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -302,20 +302,20 @@ unsigned long long monotonic_clock(void)
 }
 EXPORT_SYMBOL(monotonic_clock);
 
-static noinline void handle_lost_ticks(int lost, struct pt_regs *regs)
+static noinline void handle_lost_ticks(int lost)
 {
 	static long lost_count;
 	static int warned;
 	if (report_lost_ticks) {
 		printk(KERN_WARNING "time.c: Lost %d timer tick(s)! ", lost);
-		print_symbol("rip %s)\n", regs->rip);
+		print_symbol("rip %s)\n", get_irq_regs()->rip);
 	}
 
 	if (lost_count == 1000 && !warned) {
 		printk(KERN_WARNING "warning: many lost ticks.\n"
 		       KERN_WARNING "Your time source seems to be instable or "
 		   		"some driver is hogging interupts\n");
-		print_symbol("rip %s\n", regs->rip);
+		print_symbol("rip %s\n", get_irq_regs()->rip);
 		if (vxtime.mode == VXTIME_TSC && vxtime.hpet_address) {
 			printk(KERN_WARNING "Falling back to HPET\n");
 			if (hpet_use_timer)
@@ -339,7 +339,7 @@ static noinline void handle_lost_ticks(int lost, struct pt_regs *regs)
 #endif
 }
 
-void main_timer_handler(struct pt_regs *regs)
+void main_timer_handler(void)
 {
 	static unsigned long rtc_update = 0;
 	unsigned long tsc;
@@ -411,7 +411,7 @@ void main_timer_handler(struct pt_regs *regs)
 	}
 
 	if (lost > 0)
-		handle_lost_ticks(lost, regs);
+		handle_lost_ticks(lost);
 	else
 		lost = 0;
 
@@ -421,7 +421,7 @@ void main_timer_handler(struct pt_regs *regs)
 
 	do_timer(lost + 1);
 #ifndef CONFIG_SMP
-	update_process_times(user_mode(regs));
+	update_process_times(user_mode(get_irq_regs()));
 #endif
 
 /*
@@ -431,7 +431,7 @@ void main_timer_handler(struct pt_regs *regs)
  */
 
 	if (!using_apic_timer)
-		smp_local_timer_interrupt(regs);
+		smp_local_timer_interrupt();
 
 /*
  * If we have an externally synchronized Linux clock, then update CMOS clock
@@ -450,11 +450,11 @@ void main_timer_handler(struct pt_regs *regs)
 	write_sequnlock(&xtime_lock);
 }
 
-static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t timer_interrupt(int irq, void *dev_id)
 {
 	if (apic_runs_main_timer > 1)
 		return IRQ_HANDLED;
-	main_timer_handler(regs);
+	main_timer_handler();
 	if (using_apic_timer)
 		smp_send_timer_broadcast_ipi();
 	return IRQ_HANDLED;
@@ -1337,7 +1337,7 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	}
 	if (call_rtc_interrupt) {
 		rtc_int_flag |= (RTC_IRQF | (RTC_NUM_INTS << 8));
-		rtc_interrupt(rtc_int_flag, dev_id, regs);
+		rtc_interrupt(rtc_int_flag, dev_id);
 	}
 	return IRQ_HANDLED;
 }
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 01f2a8d254c..7819022a8db 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -23,6 +23,7 @@
 #include <linux/delay.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/kallsyms.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/nmi.h>
@@ -115,7 +116,6 @@ static int call_trace = 1;
 #endif
 
 #ifdef CONFIG_KALLSYMS
-# include <linux/kallsyms.h>
 void printk_address(unsigned long address)
 {
 	unsigned long offset = 0, symsize;