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-rw-r--r--arch/s390/Kconfig6
-rw-r--r--arch/s390/appldata/appldata_base.c2
-rw-r--r--arch/s390/defconfig58
-rw-r--r--arch/s390/kernel/compat_linux.c2
-rw-r--r--arch/s390/kernel/compat_wrapper.S7
-rw-r--r--arch/s390/kernel/head31.S8
-rw-r--r--arch/s390/kernel/head64.S12
-rw-r--r--arch/s390/kernel/kprobes.c1
-rw-r--r--arch/s390/kernel/s390_ext.c9
-rw-r--r--arch/s390/kernel/s390_ksyms.c1
-rw-r--r--arch/s390/kernel/setup.c55
-rw-r--r--arch/s390/kernel/signal.c17
-rw-r--r--arch/s390/kernel/smp.c2
-rw-r--r--arch/s390/kernel/stacktrace.c17
-rw-r--r--arch/s390/kernel/syscalls.S3
-rw-r--r--arch/s390/kernel/time.c103
-rw-r--r--arch/s390/kernel/traps.c12
-rw-r--r--arch/s390/kernel/vtime.c11
-rw-r--r--arch/s390/mm/fault.c2
-rw-r--r--arch/s390/mm/init.c45
20 files changed, 167 insertions, 206 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index f900a516f09..608193cfe43 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -30,6 +30,9 @@ config GENERIC_CALIBRATE_DELAY
bool
default y
+config GENERIC_TIME
+ def_bool y
+
config GENERIC_BUST_SPINLOCK
bool
@@ -233,6 +236,9 @@ config WARN_STACK_SIZE
This allows you to specify the maximum frame size a function may
have without the compiler complaining about it.
+config ARCH_POPULATES_NODE_MAP
+ def_bool y
+
source "mm/Kconfig"
comment "I/O subsystem configuration"
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 2b1e6c9a6e0..45c9fa7d754 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -109,7 +109,7 @@ static LIST_HEAD(appldata_ops_list);
*
* schedule work and reschedule timer
*/
-static void appldata_timer_function(unsigned long data, struct pt_regs *regs)
+static void appldata_timer_function(unsigned long data)
{
P_DEBUG(" -= Timer =-\n");
P_DEBUG("CPU: %i, expire_count: %i\n", smp_processor_id(),
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 35da53986b1..c313e9a9304 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-rc2
-# Thu Jul 27 13:51:07 2006
+# Linux kernel version: 2.6.19-rc2
+# Wed Oct 18 17:11:10 2006
#
CONFIG_MMU=y
CONFIG_LOCKDEP_SUPPORT=y
@@ -9,6 +9,7 @@ CONFIG_STACKTRACE_SUPPORT=y
CONFIG_RWSEM_XCHGADD_ALGORITHM=y
CONFIG_GENERIC_HWEIGHT=y
CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_TIME=y
CONFIG_S390=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
@@ -26,10 +27,11 @@ 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_SYSCTL=y
+# CONFIG_UTS_NS is not set
CONFIG_AUDIT=y
# CONFIG_AUDITSYSCALL is not set
CONFIG_IKCONFIG=y
@@ -38,7 +40,9 @@ CONFIG_IKCONFIG_PROC=y
# CONFIG_RELAY is not set
CONFIG_INITRAMFS_SOURCE=""
# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
# CONFIG_EMBEDDED is not set
+# CONFIG_SYSCTL_SYSCALL is not set
CONFIG_KALLSYMS=y
# CONFIG_KALLSYMS_ALL is not set
# CONFIG_KALLSYMS_EXTRA_PASS is not set
@@ -47,12 +51,12 @@ CONFIG_PRINTK=y
CONFIG_BUG=y
CONFIG_ELF_CORE=y
CONFIG_BASE_FULL=y
-CONFIG_RT_MUTEXES=y
CONFIG_FUTEX=y
CONFIG_EPOLL=y
CONFIG_SHMEM=y
CONFIG_SLAB=y
CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_RT_MUTEXES=y
# CONFIG_TINY_SHMEM is not set
CONFIG_BASE_SMALL=0
# CONFIG_SLOB is not set
@@ -71,6 +75,7 @@ CONFIG_STOP_MACHINE=y
#
# Block layer
#
+CONFIG_BLOCK=y
# CONFIG_BLK_DEV_IO_TRACE is not set
#
@@ -100,6 +105,7 @@ CONFIG_HOTPLUG_CPU=y
CONFIG_DEFAULT_MIGRATION_COST=1000000
CONFIG_COMPAT=y
CONFIG_SYSVIPC_COMPAT=y
+CONFIG_AUDIT_ARCH=y
#
# Code generation options
@@ -107,11 +113,13 @@ CONFIG_SYSVIPC_COMPAT=y
# CONFIG_MARCH_G5 is not set
CONFIG_MARCH_Z900=y
# CONFIG_MARCH_Z990 is not set
+# CONFIG_MARCH_Z9_109 is not set
CONFIG_PACK_STACK=y
# CONFIG_SMALL_STACK is not set
CONFIG_CHECK_STACK=y
CONFIG_STACK_GUARD=256
# CONFIG_WARN_STACK is not set
+CONFIG_ARCH_POPULATES_NODE_MAP=y
CONFIG_SELECT_MEMORY_MODEL=y
CONFIG_FLATMEM_MANUAL=y
# CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -165,6 +173,7 @@ CONFIG_PACKET=y
CONFIG_UNIX=y
CONFIG_XFRM=y
# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
CONFIG_NET_KEY=y
CONFIG_INET=y
CONFIG_IP_MULTICAST=y
@@ -183,21 +192,29 @@ CONFIG_IP_FIB_HASH=y
# CONFIG_INET_TUNNEL is not set
CONFIG_INET_XFRM_MODE_TRANSPORT=y
CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
CONFIG_INET_DIAG=y
CONFIG_INET_TCP_DIAG=y
# CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
CONFIG_IPV6=y
# CONFIG_IPV6_PRIVACY is not set
# CONFIG_IPV6_ROUTER_PREF is not set
# CONFIG_INET6_AH is not set
# CONFIG_INET6_ESP is not set
# CONFIG_INET6_IPCOMP is not set
+# CONFIG_IPV6_MIP6 is not set
# CONFIG_INET6_XFRM_TUNNEL is not set
# CONFIG_INET6_TUNNEL is not set
CONFIG_INET6_XFRM_MODE_TRANSPORT=y
CONFIG_INET6_XFRM_MODE_TUNNEL=y
+CONFIG_INET6_XFRM_MODE_BEET=y
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=y
# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_SUBTREES is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
# CONFIG_NETWORK_SECMARK is not set
# CONFIG_NETFILTER is not set
@@ -224,7 +241,6 @@ CONFIG_INET6_XFRM_MODE_TUNNEL=y
# CONFIG_ATALK is not set
# CONFIG_X25 is not set
# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
# CONFIG_ECONET is not set
# CONFIG_WAN_ROUTER is not set
@@ -301,6 +317,7 @@ CONFIG_SYS_HYPERVISOR=y
#
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
+CONFIG_SCSI_NETLINK=y
CONFIG_SCSI_PROC_FS=y
#
@@ -322,18 +339,18 @@ CONFIG_SCSI_CONSTANTS=y
CONFIG_SCSI_LOGGING=y
#
-# SCSI Transport Attributes
+# SCSI Transports
#
# CONFIG_SCSI_SPI_ATTRS is not set
CONFIG_SCSI_FC_ATTRS=y
# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_SCSI_SAS_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
#
# SCSI low-level drivers
#
# CONFIG_ISCSI_TCP is not set
-# CONFIG_SCSI_SATA is not set
# CONFIG_SCSI_DEBUG is not set
CONFIG_ZFCP=y
CONFIG_CCW=y
@@ -378,6 +395,7 @@ CONFIG_MD_RAID1=m
CONFIG_MD_MULTIPATH=m
# CONFIG_MD_FAULTY is not set
CONFIG_BLK_DEV_DM=y
+# CONFIG_DM_DEBUG is not set
CONFIG_DM_CRYPT=y
CONFIG_DM_SNAPSHOT=y
CONFIG_DM_MIRROR=y
@@ -487,14 +505,12 @@ CONFIG_IUCV=m
# CONFIG_NETIUCV is not set
# CONFIG_SMSGIUCV is not set
# CONFIG_CLAW is not set
-# CONFIG_MPC is not set
CONFIG_QETH=y
#
# Gigabit Ethernet default settings
#
# CONFIG_QETH_IPV6 is not set
-# CONFIG_QETH_PERF_STATS is not set
CONFIG_CCWGROUP=y
# CONFIG_PPP is not set
# CONFIG_SLIP is not set
@@ -513,13 +529,15 @@ CONFIG_EXT3_FS=y
CONFIG_EXT3_FS_XATTR=y
# CONFIG_EXT3_FS_POSIX_ACL is not set
# CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT4DEV_FS is not set
CONFIG_JBD=y
# CONFIG_JBD_DEBUG is not set
CONFIG_FS_MBCACHE=y
# CONFIG_REISERFS_FS is not set
# CONFIG_JFS_FS is not set
-# CONFIG_FS_POSIX_ACL 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
@@ -549,8 +567,10 @@ CONFIG_DNOTIFY=y
#
CONFIG_PROC_FS=y
CONFIG_PROC_KCORE=y
+CONFIG_PROC_SYSCTL=y
CONFIG_SYSFS=y
CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
# CONFIG_HUGETLB_PAGE is not set
CONFIG_RAMFS=y
# CONFIG_CONFIGFS_FS is not set
@@ -598,6 +618,7 @@ 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
@@ -629,8 +650,11 @@ CONFIG_MSDOS_PARTITION=y
#
# Instrumentation Support
#
+
+#
+# Profiling support
+#
# CONFIG_PROFILING is not set
-CONFIG_STATISTICS=y
CONFIG_KPROBES=y
#
@@ -638,11 +662,11 @@ CONFIG_KPROBES=y
#
CONFIG_TRACE_IRQFLAGS_SUPPORT=y
# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_MUST_CHECK=y
CONFIG_MAGIC_SYSRQ=y
# CONFIG_UNUSED_SYMBOLS is not set
CONFIG_DEBUG_KERNEL=y
CONFIG_LOG_BUF_SHIFT=17
-# CONFIG_DETECT_SOFTLOCKUP is not set
# CONFIG_SCHEDSTATS is not set
# CONFIG_DEBUG_SLAB is not set
CONFIG_DEBUG_PREEMPT=y
@@ -659,10 +683,13 @@ CONFIG_DEBUG_SPINLOCK_SLEEP=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 is not set
CONFIG_FORCED_INLINING=y
+CONFIG_HEADERS_CHECK=y
# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_LKDTM is not set
#
# Security options
@@ -674,6 +701,9 @@ CONFIG_FORCED_INLINING=y
# Cryptographic options
#
CONFIG_CRYPTO=y
+CONFIG_CRYPTO_ALGAPI=m
+CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_MANAGER=m
# CONFIG_CRYPTO_HMAC is not set
# CONFIG_CRYPTO_NULL is not set
# CONFIG_CRYPTO_MD4 is not set
@@ -685,6 +715,8 @@ CONFIG_CRYPTO=y
# CONFIG_CRYPTO_SHA512 is not set
# CONFIG_CRYPTO_WP512 is not set
# CONFIG_CRYPTO_TGR192 is not set
+CONFIG_CRYPTO_ECB=m
+CONFIG_CRYPTO_CBC=m
# CONFIG_CRYPTO_DES is not set
# CONFIG_CRYPTO_DES_S390 is not set
# CONFIG_CRYPTO_BLOWFISH is not set
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index e15e1489aef..2001767e1dc 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -295,6 +295,7 @@ static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
*
* This is really horribly ugly.
*/
+#ifdef CONFIG_SYSVIPC
asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr)
{
if (call >> 16) /* hack for backward compatibility */
@@ -338,6 +339,7 @@ asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr)
return -ENOSYS;
}
+#endif
asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low)
{
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 4aabeeaa7cf..cb0efae6802 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1658,3 +1658,10 @@ compat_sys_vmsplice_wrapper:
llgfr %r4,%r4 # unsigned int
llgfr %r5,%r5 # unsigned int
jg compat_sys_vmsplice
+
+ .globl sys_getcpu_wrapper
+sys_getcpu_wrapper:
+ llgtr %r2,%r2 # unsigned *
+ llgtr %r3,%r3 # unsigned *
+ llgtr %r4,%r4 # struct getcpu_cache *
+ jg sys_tee
diff --git a/arch/s390/kernel/head31.S b/arch/s390/kernel/head31.S
index 1b952a3664e..0a2c929486a 100644
--- a/arch/s390/kernel/head31.S
+++ b/arch/s390/kernel/head31.S
@@ -258,10 +258,10 @@ startup_continue:
# find out if the diag 0x9c is available
#
mvc __LC_PGM_NEW_PSW(8),.Lpcdiag9c-.LPG1(%r13)
- stap __LC_CPUID+4 # store cpu address
- lh %r1,__LC_CPUID+4
- diag %r1,0,0x9c # test diag 0x9c
- oi 2(%r12),1 # set diag9c flag
+ stap __LC_CPUID+4 # store cpu address
+ lh %r1,__LC_CPUID+4
+ diag %r1,0,0x9c # test diag 0x9c
+ oi 2(%r12),1 # set diag9c flag
.Lchkdiag9c:
lpsw .Lentry-.LPG1(13) # jump to _stext in primary-space,
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index b30e5897cdf..42f54d48244 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -253,12 +253,12 @@ startup_continue:
#
# find out if the diag 0x9c is available
#
- la %r1,0f-.LPG1(%r13) # set program check address
- stg %r1,__LC_PGM_NEW_PSW+8
- stap __LC_CPUID+4 # store cpu address
- lh %r1,__LC_CPUID+4
- diag %r1,0,0x9c # test diag 0x9c
- oi 6(%r12),1 # set diag9c flag
+ la %r1,0f-.LPG1(%r13) # set program check address
+ stg %r1,__LC_PGM_NEW_PSW+8
+ stap __LC_CPUID+4 # store cpu address
+ lh %r1,__LC_CPUID+4
+ diag %r1,0,0x9c # test diag 0x9c
+ oi 6(%r12),1 # set diag9c flag
0:
#
diff --git a/arch/s390/kernel/kprobes.c b/arch/s390/kernel/kprobes.c
index 4d9ff5ce4cb..67914fe7f31 100644
--- a/arch/s390/kernel/kprobes.c
+++ b/arch/s390/kernel/kprobes.c
@@ -20,7 +20,6 @@
* s390 port, used ppc64 as template. Mike Grundy <grundym@us.ibm.com>
*/
-#include <linux/config.h>
#include <linux/kprobes.h>
#include <linux/ptrace.h>
#include <linux/preempt.h>
diff --git a/arch/s390/kernel/s390_ext.c b/arch/s390/kernel/s390_ext.c
index c1b383537fe..4faf96f8a83 100644
--- a/arch/s390/kernel/s390_ext.c
+++ b/arch/s390/kernel/s390_ext.c
@@ -16,6 +16,7 @@
#include <asm/lowcore.h>
#include <asm/s390_ext.h>
+#include <asm/irq_regs.h>
#include <asm/irq.h>
/*
@@ -114,7 +115,9 @@ void do_extint(struct pt_regs *regs, unsigned short code)
{
ext_int_info_t *p;
int index;
+ struct pt_regs *old_regs;
+ old_regs = set_irq_regs(regs);
irq_enter();
asm volatile ("mc 0,0");
if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer)
@@ -122,18 +125,18 @@ void do_extint(struct pt_regs *regs, unsigned short code)
* Make sure that the i/o interrupt did not "overtake"
* the last HZ timer interrupt.
*/
- account_ticks(regs);
+ account_ticks();
kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++;
index = ext_hash(code);
for (p = ext_int_hash[index]; p; p = p->next) {
if (likely(p->code == code)) {
if (likely(p->handler))
- p->handler(regs, code);
+ p->handler(code);
}
}
irq_exit();
+ set_irq_regs(old_regs);
}
EXPORT_SYMBOL(register_external_interrupt);
EXPORT_SYMBOL(unregister_external_interrupt);
-
diff --git a/arch/s390/kernel/s390_ksyms.c b/arch/s390/kernel/s390_ksyms.c
index 9f19e833a56..90b5ef529eb 100644
--- a/arch/s390/kernel/s390_ksyms.c
+++ b/arch/s390/kernel/s390_ksyms.c
@@ -51,4 +51,3 @@ EXPORT_SYMBOL(csum_fold);
EXPORT_SYMBOL(console_mode);
EXPORT_SYMBOL(console_devno);
EXPORT_SYMBOL(console_irq);
-EXPORT_SYMBOL(sys_wait4);
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index a21cfbb9d97..49f2b68e32b 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -70,7 +70,6 @@ struct {
#define CHUNK_READ_WRITE 0
#define CHUNK_READ_ONLY 1
volatile int __cpu_logical_map[NR_CPUS]; /* logical cpu to cpu address */
-unsigned long __initdata zholes_size[MAX_NR_ZONES];
static unsigned long __initdata memory_end;
/*
@@ -358,21 +357,6 @@ void machine_power_off(void)
*/
void (*pm_power_off)(void) = machine_power_off;
-static void __init
-add_memory_hole(unsigned long start, unsigned long end)
-{
- unsigned long dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT;
-
- if (end <= dma_pfn)
- zholes_size[ZONE_DMA] += end - start + 1;
- else if (start > dma_pfn)
- zholes_size[ZONE_NORMAL] += end - start + 1;
- else {
- zholes_size[ZONE_DMA] += dma_pfn - start + 1;
- zholes_size[ZONE_NORMAL] += end - dma_pfn;
- }
-}
-
static int __init early_parse_mem(char *p)
{
memory_end = memparse(p, &p);
@@ -494,7 +478,6 @@ setup_memory(void)
{
unsigned long bootmap_size;
unsigned long start_pfn, end_pfn, init_pfn;
- unsigned long last_rw_end;
int i;
/*
@@ -543,46 +526,34 @@ setup_memory(void)
#endif
/*
- * Initialize the boot-time allocator (with low memory only):
+ * Initialize the boot-time allocator
*/
bootmap_size = init_bootmem(start_pfn, end_pfn);
/*
* Register RAM areas with the bootmem allocator.
*/
- last_rw_end = start_pfn;
for (i = 0; i < MEMORY_CHUNKS && memory_chunk[i].size > 0; i++) {
- unsigned long start_chunk, end_chunk;
+ unsigned long start_chunk, end_chunk, pfn;
if (memory_chunk[i].type != CHUNK_READ_WRITE)
continue;
- start_chunk = (memory_chunk[i].addr + PAGE_SIZE - 1);
- start_chunk >>= PAGE_SHIFT;
- end_chunk = (memory_chunk[i].addr + memory_chunk[i].size);
- end_chunk >>= PAGE_SHIFT;
- if (start_chunk < start_pfn)
- start_chunk = start_pfn;
- if (end_chunk > end_pfn)
- end_chunk = end_pfn;
- if (start_chunk < end_chunk) {
- /* Initialize storage key for RAM pages */
- for (init_pfn = start_chunk ; init_pfn < end_chunk;
- init_pfn++)
- page_set_storage_key(init_pfn << PAGE_SHIFT,
- PAGE_DEFAULT_KEY);
- free_bootmem(start_chunk << PAGE_SHIFT,
- (end_chunk - start_chunk) << PAGE_SHIFT);
- if (last_rw_end < start_chunk)
- add_memory_hole(last_rw_end, start_chunk - 1);
- last_rw_end = end_chunk;
- }
+ start_chunk = PFN_DOWN(memory_chunk[i].addr);
+ end_chunk = start_chunk + PFN_DOWN(memory_chunk[i].size) - 1;
+ end_chunk = min(end_chunk, end_pfn);
+ if (start_chunk >= end_chunk)
+ continue;
+ add_active_range(0, start_chunk, end_chunk);
+ pfn = max(start_chunk, start_pfn);
+ for (; pfn <= end_chunk; pfn++)
+ page_set_storage_key(PFN_PHYS(pfn), PAGE_DEFAULT_KEY);
}
psw_set_key(PAGE_DEFAULT_KEY);
- if (last_rw_end < end_pfn - 1)
- add_memory_hole(last_rw_end, end_pfn - 1);
+ free_bootmem_with_active_regions(0, max_pfn);
+ reserve_bootmem(0, PFN_PHYS(start_pfn));
/*
* Reserve the bootmem bitmap itself as well. We do this in two
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 642095ec7c0..4392a77cbae 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -113,17 +113,15 @@ sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss,
/* Returns non-zero on fault. */
static int save_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
{
- unsigned long old_mask = regs->psw.mask;
_sigregs user_sregs;
save_access_regs(current->thread.acrs);
/* Copy a 'clean' PSW mask to the user to avoid leaking
information about whether PER is currently on. */
- regs->psw.mask = PSW_MASK_MERGE(PSW_USER_BITS, regs->psw.mask);
- memcpy(&user_sregs.regs.psw, &regs->psw, sizeof(sregs->regs.psw) +
- sizeof(sregs->regs.gprs));
- regs->psw.mask = old_mask;
+ user_sregs.regs.psw.mask = PSW_MASK_MERGE(PSW_USER_BITS, regs->psw.mask);
+ user_sregs.regs.psw.addr = regs->psw.addr;
+ memcpy(&user_sregs.regs.gprs, &regs->gprs, sizeof(sregs->regs.gprs));
memcpy(&user_sregs.regs.acrs, current->thread.acrs,
sizeof(sregs->regs.acrs));
/*
@@ -139,7 +137,6 @@ static int save_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
/* Returns positive number on error */
static int restore_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
{
- unsigned long old_mask = regs->psw.mask;
int err;
_sigregs user_sregs;
@@ -147,12 +144,12 @@ static int restore_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
current_thread_info()->restart_block.fn = do_no_restart_syscall;
err = __copy_from_user(&user_sregs, sregs, sizeof(_sigregs));
- regs->psw.mask = PSW_MASK_MERGE(old_mask, regs->psw.mask);
- regs->psw.addr |= PSW_ADDR_AMODE;
if (err)
return err;
- memcpy(&regs->psw, &user_sregs.regs.psw, sizeof(sregs->regs.psw) +
- sizeof(sregs->regs.gprs));
+ regs->psw.mask = PSW_MASK_MERGE(regs->psw.mask,
+ user_sregs.regs.psw.mask);
+ regs->psw.addr = PSW_ADDR_AMODE | user_sregs.regs.psw.addr;
+ memcpy(&regs->gprs, &user_sregs.regs.gprs, sizeof(sregs->regs.gprs));
memcpy(&current->thread.acrs, &user_sregs.regs.acrs,
sizeof(sregs->regs.acrs));
restore_access_regs(current->thread.acrs);
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index a8e6199755d..62822245f9b 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -339,7 +339,7 @@ void machine_power_off_smp(void)
* cpus are handled.
*/
-void do_ext_call_interrupt(struct pt_regs *regs, __u16 code)
+void do_ext_call_interrupt(__u16 code)
{
unsigned long bits;
diff --git a/arch/s390/kernel/stacktrace.c b/arch/s390/kernel/stacktrace.c
index d9428a0fc8f..0d14a4789bf 100644
--- a/arch/s390/kernel/stacktrace.c
+++ b/arch/s390/kernel/stacktrace.c
@@ -62,27 +62,26 @@ static inline unsigned long save_context_stack(struct stack_trace *trace,
void save_stack_trace(struct stack_trace *trace, struct task_struct *task)
{
register unsigned long sp asm ("15");
- unsigned long orig_sp;
+ unsigned long orig_sp, new_sp;
- sp &= PSW_ADDR_INSN;
- orig_sp = sp;
+ orig_sp = sp & PSW_ADDR_INSN;
- sp = save_context_stack(trace, &trace->skip, sp,
+ new_sp = save_context_stack(trace, &trace->skip, orig_sp,
S390_lowcore.panic_stack - PAGE_SIZE,
S390_lowcore.panic_stack);
- if ((sp != orig_sp) && !trace->all_contexts)
+ if ((new_sp != orig_sp) && !trace->all_contexts)
return;
- sp = save_context_stack(trace, &trace->skip, sp,
+ new_sp = save_context_stack(trace, &trace->skip, new_sp,
S390_lowcore.async_stack - ASYNC_SIZE,
S390_lowcore.async_stack);
- if ((sp != orig_sp) && !trace->all_contexts)
+ if ((new_sp != orig_sp) && !trace->all_contexts)
return;
if (task)
- save_context_stack(trace, &trace->skip, sp,
+ save_context_stack(trace, &trace->skip, new_sp,
(unsigned long) task_stack_page(task),
(unsigned long) task_stack_page(task) + THREAD_SIZE);
else
- save_context_stack(trace, &trace->skip, sp,
+ save_context_stack(trace, &trace->skip, new_sp,
S390_lowcore.thread_info,
S390_lowcore.thread_info + THREAD_SIZE);
return;
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 93be1d56c03..a4ceae3dbcf 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -318,3 +318,6 @@ SYSCALL(sys_splice,sys_splice,sys_splice_wrapper)
SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper)
SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)
SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice_wrapper)
+NI_SYSCALL /* 310 sys_move_pages */
+SYSCALL(sys_getcpu,sys_getcpu,sys_getcpu_wrapper)
+SYSCALL(sys_epoll_pwait,sys_epoll_pwait,sys_ni_syscall)
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 4bf66cc4a26..6cceed4df73 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -28,12 +28,14 @@
#include <linux/profile.h>
#include <linux/timex.h>
#include <linux/notifier.h>
+#include <linux/clocksource.h>
#include <asm/uaccess.h>
#include <asm/delay.h>
#include <asm/s390_ext.h>
#include <asm/div64.h>
#include <asm/irq.h>
+#include <asm/irq_regs.h>
#include <asm/timer.h>
/* change this if you have some constant time drift */
@@ -81,78 +83,10 @@ void tod_to_timeval(__u64 todval, struct timespec *xtime)
xtime->tv_nsec = ((todval * 1000) >> 12);
}
-static inline unsigned long do_gettimeoffset(void)
-{
- __u64 now;
-
- now = (get_clock() - jiffies_timer_cc) >> 12;
- now -= (__u64) jiffies * USECS_PER_JIFFY;
- return (unsigned long) now;
-}
-
-/*
- * This version of gettimeofday has microsecond resolution.
- */
-void do_gettimeofday(struct timeval *tv)
-{
- unsigned long flags;
- unsigned long seq;
- unsigned long usec, sec;
-
- do {
- seq = read_seqbegin_irqsave(&xtime_lock, flags);
-
- sec = xtime.tv_sec;
- usec = xtime.tv_nsec / 1000 + do_gettimeoffset();
- } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
-
- while (usec >= 1000000) {
- usec -= 1000000;
- sec++;
- }
-
- tv->tv_sec = sec;
- tv->tv_usec = usec;
-}
-
-EXPORT_SYMBOL(do_gettimeofday);
-
-int do_settimeofday(struct timespec *tv)
-{
- time_t wtm_sec, sec = tv->tv_sec;
- long wtm_nsec, nsec = tv->tv_nsec;
-
- if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
- return -EINVAL;
-
- write_seqlock_irq(&xtime_lock);
- /* This is revolting. We need to set the xtime.tv_nsec
- * correctly. However, the value in this location is
- * is value at the last tick.
- * Discover what correction gettimeofday
- * would have done, and then undo it!
- */
- nsec -= do_gettimeoffset() * 1000;
-
- wtm_sec = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec);
- wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec);
-
- set_normalized_timespec(&xtime, sec, nsec);
- set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
-
- ntp_clear();
- write_sequnlock_irq(&xtime_lock);
- clock_was_set();
- return 0;
-}
-
-EXPORT_SYMBOL(do_settimeofday);
-
-
#ifdef CONFIG_PROFILING
-#define s390_do_profile(regs) profile_tick(CPU_PROFILING, regs)
+#define s390_do_profile() profile_tick(CPU_PROFILING)
#else
-#define s390_do_profile(regs) do { ; } while(0)
+#define s390_do_profile() do { ; } while(0)
#endif /* CONFIG_PROFILING */
@@ -160,7 +94,7 @@ EXPORT_SYMBOL(do_settimeofday);
* timer_interrupt() needs to keep up the real-time clock,
* as well as call the "do_timer()" routine every clocktick
*/
-void account_ticks(struct pt_regs *regs)
+void account_ticks(void)
{
__u64 tmp;
__u32 ticks;
@@ -221,10 +155,10 @@ void account_ticks(struct pt_regs *regs)
account_tick_vtime(current);
#else
while (ticks--)
- update_process_times(user_mode(regs));
+ update_process_times(user_mode(get_irq_regs()));
#endif
- s390_do_profile(regs);
+ s390_do_profile();
}
#ifdef CONFIG_NO_IDLE_HZ
@@ -285,9 +219,11 @@ static inline void stop_hz_timer(void)
*/
static inline void start_hz_timer(void)
{
+ BUG_ON(!in_interrupt());
+
if (!cpu_isset(smp_processor_id(), nohz_cpu_mask))
return;
- account_ticks(task_pt_regs(current));
+ account_ticks();
cpu_clear(smp_processor_id(), nohz_cpu_mask);
}
@@ -337,6 +273,22 @@ void init_cpu_timer(void)
extern void vtime_init(void);
+static cycle_t read_tod_clock(void)
+{
+ return get_clock();
+}
+
+static struct clocksource clocksource_tod = {
+ .name = "tod",
+ .rating = 100,
+ .read = read_tod_clock,
+ .mask = -1ULL,
+ .mult = 1000,
+ .shift = 12,
+ .is_continuous = 1,
+};
+
+
/*
* Initialize the TOD clock and the CPU timer of
* the boot cpu.
@@ -381,6 +333,9 @@ void __init time_init(void)
&ext_int_info_cc) != 0)
panic("Couldn't request external interrupt 0x1004");
+ if (clocksource_register(&clocksource_tod) != 0)
+ panic("Could not register TOD clock source");
+
init_cpu_timer();
#ifdef CONFIG_NO_IDLE_HZ
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index 3eb4fab048b..66375a5e3d1 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -61,7 +61,7 @@ extern pgm_check_handler_t do_dat_exception;
#ifdef CONFIG_PFAULT
extern int pfault_init(void);
extern void pfault_fini(void);
-extern void pfault_interrupt(struct pt_regs *regs, __u16 error_code);
+extern void pfault_interrupt(__u16 error_code);
static ext_int_info_t ext_int_pfault;
#endif
extern pgm_check_handler_t do_monitor_call;
@@ -474,7 +474,7 @@ asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code)
signal = math_emu_b3(opcode, regs);
} else if (opcode[0] == 0xed) {
get_user(*((__u32 *) (opcode+2)),
- (__u32 *)(location+1));
+ (__u32 __user *)(location+1));
signal = math_emu_ed(opcode, regs);
} else if (*((__u16 *) opcode) == 0xb299) {
get_user(*((__u16 *) (opcode+2)), location+1);
@@ -499,7 +499,7 @@ asmlinkage void illegal_op(struct pt_regs * regs, long interruption_code)
info.si_signo = signal;
info.si_errno = 0;
info.si_code = SEGV_MAPERR;
- info.si_addr = (void *) location;
+ info.si_addr = (void __user *) location;
do_trap(interruption_code, signal,
"user address fault", regs, &info);
} else
@@ -520,10 +520,10 @@ asmlinkage void
specification_exception(struct pt_regs * regs, long interruption_code)
{
__u8 opcode[6];
- __u16 *location = NULL;
+ __u16 __user *location = NULL;
int signal = 0;
- location = (__u16 *) get_check_address(regs);
+ location = (__u16 __user *) get_check_address(regs);
/*
* We got all needed information from the lowcore and can
@@ -632,7 +632,7 @@ asmlinkage void data_exception(struct pt_regs * regs, long interruption_code)
break;
case 0xed:
get_user(*((__u32 *) (opcode+2)),
- (__u32 *)(location+1));
+ (__u32 __user *)(location+1));
signal = math_emu_ed(opcode, regs);
break;
case 0xb2:
diff --git a/arch/s390/kernel/vtime.c b/arch/s390/kernel/vtime.c
index 2306cd83fca..21baaf5496d 100644
--- a/arch/s390/kernel/vtime.c
+++ b/arch/s390/kernel/vtime.c
@@ -22,6 +22,7 @@
#include <asm/s390_ext.h>
#include <asm/timer.h>
+#include <asm/irq_regs.h>
static ext_int_info_t ext_int_info_timer;
DEFINE_PER_CPU(struct vtimer_queue, virt_cpu_timer);
@@ -208,11 +209,11 @@ static void list_add_sorted(struct vtimer_list *timer, struct list_head *head)
* Do the callback functions of expired vtimer events.
* Called from within the interrupt handler.
*/
-static void do_callbacks(struct list_head *cb_list, struct pt_regs *regs)
+static void do_callbacks(struct list_head *cb_list)
{
struct vtimer_queue *vt_list;
struct vtimer_list *event, *tmp;
- void (*fn)(unsigned long, struct pt_regs*);
+ void (*fn)(unsigned long);
unsigned long data;
if (list_empty(cb_list))
@@ -223,7 +224,7 @@ static void do_callbacks(struct list_head *cb_list, struct pt_regs *regs)
list_for_each_entry_safe(event, tmp, cb_list, entry) {
fn = event->function;
data = event->data;
- fn(data, regs);
+ fn(data);
if (!event->interval)
/* delete one shot timer */
@@ -241,7 +242,7 @@ static void do_callbacks(struct list_head *cb_list, struct pt_regs *regs)
/*
* Handler for the virtual CPU timer.
*/
-static void do_cpu_timer_interrupt(struct pt_regs *regs, __u16 error_code)
+static void do_cpu_timer_interrupt(__u16 error_code)
{
int cpu;
__u64 next, delta;
@@ -274,7 +275,7 @@ static void do_cpu_timer_interrupt(struct pt_regs *regs, __u16 error_code)
list_move_tail(&event->entry, &cb_list);
}
spin_unlock(&vt_list->lock);
- do_callbacks(&cb_list, regs);
+ do_callbacks(&cb_list);
/* next event is first in list */
spin_lock(&vt_list->lock);
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 9c3c19fe62f..1c323bbfda9 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -451,7 +451,7 @@ void pfault_fini(void)
}
asmlinkage void
-pfault_interrupt(struct pt_regs *regs, __u16 error_code)
+pfault_interrupt(__u16 error_code)
{
struct task_struct *tsk;
__u16 subcode;
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index 127044e1707..d9989171870 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -62,19 +62,21 @@ void show_mem(void)
{
int i, total = 0, reserved = 0;
int shared = 0, cached = 0;
+ struct page *page;
printk("Mem-info:\n");
show_free_areas();
printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
i = max_mapnr;
while (i-- > 0) {
+ page = pfn_to_page(i);
total++;
- if (PageReserved(mem_map+i))
+ if (PageReserved(page))
reserved++;
- else if (PageSwapCache(mem_map+i))
+ else if (PageSwapCache(page))
cached++;
- else if (page_count(mem_map+i))
- shared += page_count(mem_map+i) - 1;
+ else if (page_count(page))
+ shared += page_count(page) - 1;
}
printk("%d pages of RAM\n",total);
printk("%d reserved pages\n",reserved);
@@ -82,7 +84,6 @@ void show_mem(void)
printk("%d pages swap cached\n",cached);
}
-extern unsigned long __initdata zholes_size[];
/*
* paging_init() sets up the page tables
*/
@@ -99,16 +100,15 @@ void __init paging_init(void)
unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) | _KERNSEG_TABLE;
static const int ssm_mask = 0x04000000L;
unsigned long ro_start_pfn, ro_end_pfn;
- unsigned long zones_size[MAX_NR_ZONES];
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata);
ro_end_pfn = PFN_UP((unsigned long)&__end_rodata);
- memset(zones_size, 0, sizeof(zones_size));
- zones_size[ZONE_DMA] = max_low_pfn;
- free_area_init_node(0, &contig_page_data, zones_size,
- __pa(PAGE_OFFSET) >> PAGE_SHIFT,
- zholes_size);
+ memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+ max_zone_pfns[ZONE_DMA] = max_low_pfn;
+ max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+ free_area_init_nodes(max_zone_pfns);
/* unmap whole virtual address space */
@@ -153,7 +153,6 @@ void __init paging_init(void)
__raw_local_irq_ssm(ssm_mask);
local_flush_tlb();
- return;
}
#else /* CONFIG_64BIT */
@@ -169,26 +168,16 @@ void __init paging_init(void)
unsigned long pgdir_k = (__pa(swapper_pg_dir) & PAGE_MASK) |
_KERN_REGION_TABLE;
static const int ssm_mask = 0x04000000L;
- unsigned long zones_size[MAX_NR_ZONES];
- unsigned long dma_pfn, high_pfn;
unsigned long ro_start_pfn, ro_end_pfn;
+ unsigned long max_zone_pfns[MAX_NR_ZONES];
- memset(zones_size, 0, sizeof(zones_size));
- dma_pfn = MAX_DMA_ADDRESS >> PAGE_SHIFT;
- high_pfn = max_low_pfn;
ro_start_pfn = PFN_DOWN((unsigned long)&__start_rodata);
ro_end_pfn = PFN_UP((unsigned long)&__end_rodata);
- if (dma_pfn > high_pfn)
- zones_size[ZONE_DMA] = high_pfn;
- else {
- zones_size[ZONE_DMA] = dma_pfn;
- zones_size[ZONE_NORMAL] = high_pfn - dma_pfn;
- }
-
- /* Initialize mem_map[]. */
- free_area_init_node(0, &contig_page_data, zones_size,
- __pa(PAGE_OFFSET) >> PAGE_SHIFT, zholes_size);
+ memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+ max_zone_pfns[ZONE_DMA] = PFN_DOWN(MAX_DMA_ADDRESS);
+ max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
+ free_area_init_nodes(max_zone_pfns);
/*
* map whole physical memory to virtual memory (identity mapping)
@@ -237,8 +226,6 @@ void __init paging_init(void)
__raw_local_irq_ssm(ssm_mask);
local_flush_tlb();
-
- return;
}
#endif /* CONFIG_64BIT */
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-21 12:31:41 +0000