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authorRussell King <rmk+kernel@arm.linux.org.uk>2009-09-24 21:22:33 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2009-09-24 21:22:33 +0100
commitbaea7b946f00a291b166ccae7fcfed6c01530cc6 (patch)
tree4aa275fbdbec9c7b9b4629e8bee2bbecd3c6a6af /arch/s390
parentae19ffbadc1b2100285a5b5b3d0a4e0a11390904 (diff)
parent94e0fb086fc5663c38bbc0fe86d698be8314f82f (diff)
downloadlinux-baea7b946f00a291b166ccae7fcfed6c01530cc6.tar.bz2
Merge branch 'origin' into for-linus
Conflicts: MAINTAINERS
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/Kconfig2
-rw-r--r--arch/s390/appldata/appldata_base.c9
-rw-r--r--arch/s390/boot/install.sh4
-rw-r--r--arch/s390/defconfig37
-rw-r--r--arch/s390/hypfs/inode.c6
-rw-r--r--arch/s390/include/asm/cputime.h1
-rw-r--r--arch/s390/include/asm/lowcore.h9
-rw-r--r--arch/s390/include/asm/mman.h13
-rw-r--r--arch/s390/include/asm/perf_counter.h10
-rw-r--r--arch/s390/include/asm/perf_event.h10
-rw-r--r--arch/s390/include/asm/processor.h2
-rw-r--r--arch/s390/include/asm/smp.h2
-rw-r--r--arch/s390/include/asm/topology.h1
-rw-r--r--arch/s390/include/asm/unistd.h2
-rw-r--r--arch/s390/kernel/asm-offsets.c7
-rw-r--r--arch/s390/kernel/compat_linux.c84
-rw-r--r--arch/s390/kernel/compat_linux.h4
-rw-r--r--arch/s390/kernel/compat_wrapper.S35
-rw-r--r--arch/s390/kernel/debug.c4
-rw-r--r--arch/s390/kernel/entry.h6
-rw-r--r--arch/s390/kernel/init_task.c5
-rw-r--r--arch/s390/kernel/process.c41
-rw-r--r--arch/s390/kernel/ptrace.c19
-rw-r--r--arch/s390/kernel/sclp.S5
-rw-r--r--arch/s390/kernel/smp.c54
-rw-r--r--arch/s390/kernel/suspend.c24
-rw-r--r--arch/s390/kernel/swsusp_asm64.S102
-rw-r--r--arch/s390/kernel/sys_s390.c1
-rw-r--r--arch/s390/kernel/syscalls.S10
-rw-r--r--arch/s390/kernel/time.c38
-rw-r--r--arch/s390/kernel/vdso.c2
-rw-r--r--arch/s390/kernel/vdso32/Makefile2
-rw-r--r--arch/s390/kernel/vdso32/vdso32_wrapper.S3
-rw-r--r--arch/s390/kernel/vdso64/Makefile2
-rw-r--r--arch/s390/kernel/vdso64/vdso64_wrapper.S3
-rw-r--r--arch/s390/kvm/interrupt.c2
-rw-r--r--arch/s390/mm/cmm.c4
-rw-r--r--arch/s390/mm/fault.c8
-rw-r--r--arch/s390/mm/init.c2
-rw-r--r--arch/s390/mm/page-states.c52
-rw-r--r--arch/s390/mm/pgtable.c17
41 files changed, 319 insertions, 325 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 1c866efd217d..43c0acad7160 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -94,7 +94,7 @@ config S390
select HAVE_KVM if 64BIT
select HAVE_ARCH_TRACEHOOK
select INIT_ALL_POSSIBLE
- select HAVE_PERF_COUNTERS
+ select HAVE_PERF_EVENTS
config SCHED_OMIT_FRAME_POINTER
bool
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 264528e4f58d..b55fd7ed1c31 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -50,10 +50,9 @@ static struct platform_device *appldata_pdev;
* /proc entries (sysctl)
*/
static const char appldata_proc_name[APPLDATA_PROC_NAME_LENGTH] = "appldata";
-static int appldata_timer_handler(ctl_table *ctl, int write, struct file *filp,
+static int appldata_timer_handler(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
static int appldata_interval_handler(ctl_table *ctl, int write,
- struct file *filp,
void __user *buffer,
size_t *lenp, loff_t *ppos);
@@ -247,7 +246,7 @@ __appldata_vtimer_setup(int cmd)
* Start/Stop timer, show status of timer (0 = not active, 1 = active)
*/
static int
-appldata_timer_handler(ctl_table *ctl, int write, struct file *filp,
+appldata_timer_handler(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
int len;
@@ -289,7 +288,7 @@ out:
* current timer interval.
*/
static int
-appldata_interval_handler(ctl_table *ctl, int write, struct file *filp,
+appldata_interval_handler(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
int len, interval;
@@ -335,7 +334,7 @@ out:
* monitoring (0 = not in process, 1 = in process)
*/
static int
-appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
+appldata_generic_handler(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
struct appldata_ops *ops = NULL, *tmp_ops;
diff --git a/arch/s390/boot/install.sh b/arch/s390/boot/install.sh
index d4026f62cb06..aed3069699bd 100644
--- a/arch/s390/boot/install.sh
+++ b/arch/s390/boot/install.sh
@@ -21,8 +21,8 @@
# User may have a custom install script
-if [ -x ~/bin/${CROSS_COMPILE}installkernel ]; then exec ~/bin/${CROSS_COMPILE}installkernel "$@"; fi
-if [ -x /sbin/${CROSS_COMPILE}installkernel ]; then exec /sbin/${CROSS_COMPILE}installkernel "$@"; fi
+if [ -x ~/bin/${INSTALLKERNEL} ]; then exec ~/bin/${INSTALLKERNEL} "$@"; fi
+if [ -x /sbin/${INSTALLKERNEL} ]; then exec /sbin/${INSTALLKERNEL} "$@"; fi
# Default install - same as make zlilo
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 4e91a2573cc4..ab4464486b7a 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,7 +1,7 @@
#
# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30
-# Mon Jun 22 11:08:16 2009
+# Linux kernel version: 2.6.31
+# Tue Sep 22 17:43:13 2009
#
CONFIG_SCHED_MC=y
CONFIG_MMU=y
@@ -24,6 +24,7 @@ CONFIG_PGSTE=y
CONFIG_VIRT_CPU_ACCOUNTING=y
CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_S390=y
+CONFIG_SCHED_OMIT_FRAME_POINTER=y
CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
CONFIG_CONSTRUCTORS=y
@@ -48,11 +49,12 @@ CONFIG_AUDIT=y
#
# RCU Subsystem
#
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=64
+# CONFIG_RCU_FANOUT_EXACT is not set
# CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
CONFIG_LOG_BUF_SHIFT=17
@@ -103,11 +105,12 @@ CONFIG_TIMERFD=y
CONFIG_EVENTFD=y
CONFIG_SHMEM=y
CONFIG_AIO=y
-CONFIG_HAVE_PERF_COUNTERS=y
+CONFIG_HAVE_PERF_EVENTS=y
#
-# Performance Counters
+# Kernel Performance Events And Counters
#
+# CONFIG_PERF_EVENTS is not set
# CONFIG_PERF_COUNTERS is not set
CONFIG_VM_EVENT_COUNTERS=y
# CONFIG_STRIP_ASM_SYMS is not set
@@ -116,7 +119,6 @@ CONFIG_SLAB=y
# CONFIG_SLUB is not set
# CONFIG_SLOB is not set
# CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
CONFIG_HAVE_OPROFILE=y
CONFIG_KPROBES=y
CONFIG_HAVE_SYSCALL_WRAPPERS=y
@@ -176,6 +178,7 @@ CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_64BIT=y
+# CONFIG_KTIME_SCALAR is not set
CONFIG_SMP=y
CONFIG_NR_CPUS=32
CONFIG_HOTPLUG_CPU=y
@@ -257,7 +260,6 @@ CONFIG_FORCE_MAX_ZONEORDER=9
CONFIG_PFAULT=y
# CONFIG_SHARED_KERNEL is not set
# CONFIG_CMM is not set
-# CONFIG_PAGE_STATES is not set
# CONFIG_APPLDATA_BASE is not set
CONFIG_HZ_100=y
# CONFIG_HZ_250 is not set
@@ -280,6 +282,7 @@ CONFIG_PM_SLEEP_SMP=y
CONFIG_PM_SLEEP=y
CONFIG_HIBERNATION=y
CONFIG_PM_STD_PARTITION=""
+# CONFIG_PM_RUNTIME is not set
CONFIG_NET=y
#
@@ -394,6 +397,7 @@ CONFIG_IP_SCTP=m
# CONFIG_SCTP_HMAC_NONE is not set
# CONFIG_SCTP_HMAC_SHA1 is not set
CONFIG_SCTP_HMAC_MD5=y
+# CONFIG_RDS is not set
# CONFIG_TIPC is not set
# CONFIG_ATM is not set
# CONFIG_BRIDGE is not set
@@ -487,6 +491,7 @@ CONFIG_CCW=y
# Generic Driver Options
#
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
@@ -501,6 +506,7 @@ CONFIG_BLK_DEV=y
CONFIG_BLK_DEV_LOOP=m
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
CONFIG_BLK_DEV_NBD=m
+# CONFIG_BLK_DEV_OSD is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=4096
@@ -594,8 +600,11 @@ CONFIG_BLK_DEV_DM=y
CONFIG_DM_CRYPT=y
CONFIG_DM_SNAPSHOT=y
CONFIG_DM_MIRROR=y
+# CONFIG_DM_LOG_USERSPACE is not set
CONFIG_DM_ZERO=y
CONFIG_DM_MULTIPATH=m
+# CONFIG_DM_MULTIPATH_QL is not set
+# CONFIG_DM_MULTIPATH_ST is not set
# CONFIG_DM_DELAY is not set
# CONFIG_DM_UEVENT is not set
CONFIG_NETDEVICES=y
@@ -615,7 +624,6 @@ CONFIG_NET_ETHERNET=y
# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
-# CONFIG_KS8842 is not set
CONFIG_NETDEV_1000=y
CONFIG_NETDEV_10000=y
# CONFIG_TR is not set
@@ -678,6 +686,7 @@ CONFIG_SCLP_CONSOLE=y
CONFIG_SCLP_VT220_TTY=y
CONFIG_SCLP_VT220_CONSOLE=y
CONFIG_SCLP_CPI=m
+CONFIG_SCLP_ASYNC=m
CONFIG_S390_TAPE=m
#
@@ -737,6 +746,7 @@ CONFIG_FS_POSIX_ACL=y
# CONFIG_GFS2_FS is not set
# CONFIG_OCFS2_FS is not set
# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
CONFIG_FILE_LOCKING=y
CONFIG_FSNOTIFY=y
CONFIG_DNOTIFY=y
@@ -798,7 +808,6 @@ CONFIG_MISC_FILESYSTEMS=y
# CONFIG_SYSV_FS is not set
# CONFIG_UFS_FS is not set
# CONFIG_EXOFS_FS is not set
-# CONFIG_NILFS2_FS is not set
CONFIG_NETWORK_FILESYSTEMS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V3=y
@@ -885,11 +894,13 @@ CONFIG_DEBUG_MEMORY_INIT=y
# CONFIG_DEBUG_LIST is not set
# CONFIG_DEBUG_SG is not set
# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
# CONFIG_RCU_TORTURE_TEST is not set
# CONFIG_RCU_CPU_STALL_DETECTOR is not set
# CONFIG_KPROBES_SANITY_TEST is not set
# CONFIG_BACKTRACE_SELF_TEST is not set
# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+CONFIG_DEBUG_FORCE_WEAK_PER_CPU=y
# CONFIG_LKDTM is not set
# CONFIG_FAULT_INJECTION is not set
# CONFIG_LATENCYTOP is not set
@@ -979,11 +990,13 @@ CONFIG_CRYPTO_PCBC=m
#
CONFIG_CRYPTO_HMAC=m
# CONFIG_CRYPTO_XCBC is not set
+CONFIG_CRYPTO_VMAC=m
#
# Digest
#
CONFIG_CRYPTO_CRC32C=m
+CONFIG_CRYPTO_GHASH=m
# CONFIG_CRYPTO_MD4 is not set
CONFIG_CRYPTO_MD5=m
# CONFIG_CRYPTO_MICHAEL_MIC is not set
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index bd9914b89488..341aff2687a5 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -41,7 +41,7 @@ struct hypfs_sb_info {
static const struct file_operations hypfs_file_ops;
static struct file_system_type hypfs_type;
-static struct super_operations hypfs_s_ops;
+static const struct super_operations hypfs_s_ops;
/* start of list of all dentries, which have to be deleted on update */
static struct dentry *hypfs_last_dentry;
@@ -472,7 +472,7 @@ static struct file_system_type hypfs_type = {
.kill_sb = hypfs_kill_super
};
-static struct super_operations hypfs_s_ops = {
+static const struct super_operations hypfs_s_ops = {
.statfs = simple_statfs,
.drop_inode = hypfs_drop_inode,
.show_options = hypfs_show_options,
@@ -496,7 +496,7 @@ static int __init hypfs_init(void)
}
s390_kobj = kobject_create_and_add("s390", hypervisor_kobj);
if (!s390_kobj) {
- rc = -ENOMEM;;
+ rc = -ENOMEM;
goto fail_sysfs;
}
rc = register_filesystem(&hypfs_type);
diff --git a/arch/s390/include/asm/cputime.h b/arch/s390/include/asm/cputime.h
index 7a3817a656df..24b1244aadb9 100644
--- a/arch/s390/include/asm/cputime.h
+++ b/arch/s390/include/asm/cputime.h
@@ -42,6 +42,7 @@ __div(unsigned long long n, unsigned int base)
#endif /* __s390x__ */
#define cputime_zero (0ULL)
+#define cputime_one_jiffy jiffies_to_cputime(1)
#define cputime_max ((~0UL >> 1) - 1)
#define cputime_add(__a, __b) ((__a) + (__b))
#define cputime_sub(__a, __b) ((__a) - (__b))
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
index 6bc9426a6fbf..f2ef4b619ce1 100644
--- a/arch/s390/include/asm/lowcore.h
+++ b/arch/s390/include/asm/lowcore.h
@@ -86,6 +86,7 @@
#define __LC_PGM_OLD_PSW 0x0150
#define __LC_MCK_OLD_PSW 0x0160
#define __LC_IO_OLD_PSW 0x0170
+#define __LC_RESTART_PSW 0x01a0
#define __LC_EXT_NEW_PSW 0x01b0
#define __LC_SVC_NEW_PSW 0x01c0
#define __LC_PGM_NEW_PSW 0x01d0
@@ -189,6 +190,14 @@ union save_area {
#define SAVE_AREA_BASE SAVE_AREA_BASE_S390X
#endif
+#ifndef __s390x__
+#define LC_ORDER 0
+#else
+#define LC_ORDER 1
+#endif
+
+#define LC_PAGES (1UL << LC_ORDER)
+
struct _lowcore
{
#ifndef __s390x__
diff --git a/arch/s390/include/asm/mman.h b/arch/s390/include/asm/mman.h
index f63fe7b431ed..4e9c8ae0a637 100644
--- a/arch/s390/include/asm/mman.h
+++ b/arch/s390/include/asm/mman.h
@@ -9,18 +9,7 @@
#ifndef __S390_MMAN_H__
#define __S390_MMAN_H__
-#include <asm-generic/mman-common.h>
-
-#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
-#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
-#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
-#define MAP_LOCKED 0x2000 /* pages are locked */
-#define MAP_NORESERVE 0x4000 /* don't check for reservations */
-#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
-#define MAP_NONBLOCK 0x10000 /* do not block on IO */
-
-#define MCL_CURRENT 1 /* lock all current mappings */
-#define MCL_FUTURE 2 /* lock all future mappings */
+#include <asm-generic/mman.h>
#if defined(__KERNEL__) && !defined(__ASSEMBLY__) && defined(CONFIG_64BIT)
int s390_mmap_check(unsigned long addr, unsigned long len);
diff --git a/arch/s390/include/asm/perf_counter.h b/arch/s390/include/asm/perf_counter.h
deleted file mode 100644
index 7015188c2cc2..000000000000
--- a/arch/s390/include/asm/perf_counter.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * Performance counter support - s390 specific definitions.
- *
- * Copyright 2009 Martin Schwidefsky, IBM Corporation.
- */
-
-static inline void set_perf_counter_pending(void) {}
-static inline void clear_perf_counter_pending(void) {}
-
-#define PERF_COUNTER_INDEX_OFFSET 0
diff --git a/arch/s390/include/asm/perf_event.h b/arch/s390/include/asm/perf_event.h
new file mode 100644
index 000000000000..3840cbe77637
--- /dev/null
+++ b/arch/s390/include/asm/perf_event.h
@@ -0,0 +1,10 @@
+/*
+ * Performance event support - s390 specific definitions.
+ *
+ * Copyright 2009 Martin Schwidefsky, IBM Corporation.
+ */
+
+static inline void set_perf_event_pending(void) {}
+static inline void clear_perf_event_pending(void) {}
+
+#define PERF_EVENT_INDEX_OFFSET 0
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index cf8eed3fa779..b42715458312 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -295,7 +295,7 @@ static inline void ATTRIB_NORET disabled_wait(unsigned long code)
" oi 0x384(1),0x10\n"/* fake protection bit */
" lpswe 0(%1)"
: "=m" (ctl_buf)
- : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc", "0");
+ : "a" (&dw_psw), "a" (&ctl_buf), "m" (dw_psw) : "cc", "0", "1");
#endif /* __s390x__ */
while (1);
}
diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h
index c991fe6473c9..a868b272c257 100644
--- a/arch/s390/include/asm/smp.h
+++ b/arch/s390/include/asm/smp.h
@@ -62,7 +62,7 @@ extern struct mutex smp_cpu_state_mutex;
extern int smp_cpu_polarization[];
extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
#endif
diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h
index 5e0ad618dc45..6e7211abd950 100644
--- a/arch/s390/include/asm/topology.h
+++ b/arch/s390/include/asm/topology.h
@@ -9,7 +9,6 @@ const struct cpumask *cpu_coregroup_mask(unsigned int cpu);
extern cpumask_t cpu_core_map[NR_CPUS];
-#define topology_core_siblings(cpu) (cpu_core_map[cpu])
#define topology_core_cpumask(cpu) (&cpu_core_map[cpu])
int topology_set_cpu_management(int fc);
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index c80602d7c880..cb5232df151e 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -268,7 +268,7 @@
#define __NR_preadv 328
#define __NR_pwritev 329
#define __NR_rt_tgsigqueueinfo 330
-#define __NR_perf_counter_open 331
+#define __NR_perf_event_open 331
#define NR_syscalls 332
/*
diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c
index fa9905ce7d0b..63e46433e81d 100644
--- a/arch/s390/kernel/asm-offsets.c
+++ b/arch/s390/kernel/asm-offsets.c
@@ -7,6 +7,7 @@
#include <linux/sched.h>
#include <linux/kbuild.h>
#include <asm/vdso.h>
+#include <asm/sigp.h>
int main(void)
{
@@ -59,6 +60,10 @@ int main(void)
DEFINE(CLOCK_REALTIME, CLOCK_REALTIME);
DEFINE(CLOCK_MONOTONIC, CLOCK_MONOTONIC);
DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);
-
+ /* constants for SIGP */
+ DEFINE(__SIGP_STOP, sigp_stop);
+ DEFINE(__SIGP_RESTART, sigp_restart);
+ DEFINE(__SIGP_SENSE, sigp_sense);
+ DEFINE(__SIGP_INITIAL_CPU_RESET, sigp_initial_cpu_reset);
return 0;
}
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 9ab188d67a3d..0debcec23a39 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -24,7 +24,6 @@
#include <linux/signal.h>
#include <linux/resource.h>
#include <linux/times.h>
-#include <linux/utsname.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/sem.h>
@@ -443,66 +442,28 @@ sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
* sys32_execve() executes a new program after the asm stub has set
* things up for us. This should basically do what I want it to.
*/
-asmlinkage long sys32_execve(void)
+asmlinkage long sys32_execve(char __user *name, compat_uptr_t __user *argv,
+ compat_uptr_t __user *envp)
{
struct pt_regs *regs = task_pt_regs(current);
char *filename;
- unsigned long result;
- int rc;
-
- filename = getname(compat_ptr(regs->orig_gpr2));
- if (IS_ERR(filename)) {
- result = PTR_ERR(filename);
- goto out;
- }
- rc = compat_do_execve(filename, compat_ptr(regs->gprs[3]),
- compat_ptr(regs->gprs[4]), regs);
- if (rc) {
- result = rc;
- goto out_putname;
- }
+ long rc;
+
+ filename = getname(name);
+ rc = PTR_ERR(filename);
+ if (IS_ERR(filename))
+ return rc;
+ rc = compat_do_execve(filename, argv, envp, regs);
+ if (rc)
+ goto out;
current->thread.fp_regs.fpc=0;
asm volatile("sfpc %0,0" : : "d" (0));
- result = regs->gprs[2];
-out_putname:
- putname(filename);
+ rc = regs->gprs[2];
out:
- return result;
-}
-
-
-#ifdef CONFIG_MODULES
-
-asmlinkage long
-sys32_init_module(void __user *umod, unsigned long len,
- const char __user *uargs)
-{
- return sys_init_module(umod, len, uargs);
-}
-
-asmlinkage long
-sys32_delete_module(const char __user *name_user, unsigned int flags)
-{
- return sys_delete_module(name_user, flags);
-}
-
-#else /* CONFIG_MODULES */
-
-asmlinkage long
-sys32_init_module(void __user *umod, unsigned long len,
- const char __user *uargs)
-{
- return -ENOSYS;
+ putname(filename);
+ return rc;
}
-asmlinkage long
-sys32_delete_module(const char __user *name_user, unsigned int flags)
-{
- return -ENOSYS;
-}
-
-#endif /* CONFIG_MODULES */
-
asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf,
size_t count, u32 poshi, u32 poslo)
{
@@ -801,23 +762,6 @@ asmlinkage long sys32_write(unsigned int fd, char __user * buf, size_t count)
return sys_write(fd, buf, count);
}
-asmlinkage long sys32_clone(void)
-{
- struct pt_regs *regs = task_pt_regs(current);
- unsigned long clone_flags;
- unsigned long newsp;
- int __user *parent_tidptr, *child_tidptr;
-
- clone_flags = regs->gprs[3] & 0xffffffffUL;
- newsp = regs->orig_gpr2 & 0x7fffffffUL;
- parent_tidptr = compat_ptr(regs->gprs[4]);
- child_tidptr = compat_ptr(regs->gprs[5]);
- if (!newsp)
- newsp = regs->gprs[15];
- return do_fork(clone_flags, newsp, regs, 0,
- parent_tidptr, child_tidptr);
-}
-
/*
* 31 bit emulation wrapper functions for sys_fadvise64/fadvise64_64.
* These need to rewrite the advise values for POSIX_FADV_{DONTNEED,NOREUSE}
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
index 836a28842900..c07f9ca05ade 100644
--- a/arch/s390/kernel/compat_linux.h
+++ b/arch/s390/kernel/compat_linux.h
@@ -198,7 +198,8 @@ long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
compat_sigset_t __user *oset, size_t sigsetsize);
long sys32_rt_sigpending(compat_sigset_t __user *set, size_t sigsetsize);
long sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo);
-long sys32_execve(void);
+long sys32_execve(char __user *name, compat_uptr_t __user *argv,
+ compat_uptr_t __user *envp);
long sys32_init_module(void __user *umod, unsigned long len,
const char __user *uargs);
long sys32_delete_module(const char __user *name_user, unsigned int flags);
@@ -222,7 +223,6 @@ unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg);
long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg);
long sys32_read(unsigned int fd, char __user * buf, size_t count);
long sys32_write(unsigned int fd, char __user * buf, size_t count);
-long sys32_clone(void);
long sys32_fadvise64(int fd, loff_t offset, size_t len, int advise);
long sys32_fadvise64_64(struct fadvise64_64_args __user *args);
long sys32_sigaction(int sig, const struct old_sigaction32 __user *act,
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 88a83366819f..682fb69dba21 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -568,18 +568,18 @@ compat_sys_sigprocmask_wrapper:
llgtr %r4,%r4 # compat_old_sigset_t *
jg compat_sys_sigprocmask # branch to system call
- .globl sys32_init_module_wrapper
-sys32_init_module_wrapper:
+ .globl sys_init_module_wrapper
+sys_init_module_wrapper:
llgtr %r2,%r2 # void *
llgfr %r3,%r3 # unsigned long
llgtr %r4,%r4 # char *
- jg sys32_init_module # branch to system call
+ jg sys_init_module # branch to system call
- .globl sys32_delete_module_wrapper
-sys32_delete_module_wrapper:
+ .globl sys_delete_module_wrapper
+sys_delete_module_wrapper:
llgtr %r2,%r2 # const char *
llgfr %r3,%r3 # unsigned int
- jg sys32_delete_module # branch to system call
+ jg sys_delete_module # branch to system call
.globl sys32_quotactl_wrapper
sys32_quotactl_wrapper:
@@ -1832,11 +1832,26 @@ compat_sys_rt_tgsigqueueinfo_wrapper:
llgtr %r5,%r5 # struct compat_siginfo *
jg compat_sys_rt_tgsigqueueinfo_wrapper # branch to system call
- .globl sys_perf_counter_open_wrapper
-sys_perf_counter_open_wrapper:
- llgtr %r2,%r2 # const struct perf_counter_attr *
+ .globl sys_perf_event_open_wrapper
+sys_perf_event_open_wrapper:
+ llgtr %r2,%r2 # const struct perf_event_attr *
lgfr %r3,%r3 # pid_t
lgfr %r4,%r4 # int
lgfr %r5,%r5 # int
llgfr %r6,%r6 # unsigned long
- jg sys_perf_counter_open # branch to system call
+ jg sys_perf_event_open # branch to system call
+
+ .globl sys_clone_wrapper
+sys_clone_wrapper:
+ llgfr %r2,%r2 # unsigned long
+ llgfr %r3,%r3 # unsigned long
+ llgtr %r4,%r4 # int *
+ llgtr %r5,%r5 # int *
+ jg sys_clone # branch to system call
+
+ .globl sys32_execve_wrapper
+sys32_execve_wrapper:
+ llgtr %r2,%r2 # char *
+ llgtr %r3,%r3 # compat_uptr_t *
+ llgtr %r4,%r4 # compat_uptr_t *
+ jg sys32_execve # branch to system call
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 4c512561687d..20f282c911c2 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -881,11 +881,11 @@ static int debug_active=1;
* if debug_active is already off
*/
static int
-s390dbf_procactive(ctl_table *table, int write, struct file *filp,
+s390dbf_procactive(ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
if (!write || debug_stoppable || !debug_active)
- return proc_dointvec(table, write, filp, buffer, lenp, ppos);
+ return proc_dointvec(table, write, buffer, lenp, ppos);
else
return 0;
}
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
index 950c59c6688b..e1e5e767ab56 100644
--- a/arch/s390/kernel/entry.h
+++ b/arch/s390/kernel/entry.h
@@ -42,10 +42,12 @@ long sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
long sys_s390_fallocate(int fd, int mode, loff_t offset, u32 len_high,
u32 len_low);
long sys_fork(void);
-long sys_clone(void);
+long sys_clone(unsigned long newsp, unsigned long clone_flags,
+ int __user *parent_tidptr, int __user *child_tidptr);
long sys_vfork(void);
void execve_tail(void);
-long sys_execve(void);
+long sys_execve(char __user *name, char __user * __user *argv,
+ char __user * __user *envp);
long sys_sigsuspend(int history0, int history1, old_sigset_t mask);
long sys_sigaction(int sig, const struct old_sigaction __user *act,
struct old_sigaction __user *oact);
diff --git a/arch/s390/kernel/init_task.c b/arch/s390/kernel/init_task.c
index fe787f9e5f3f..4d1c9fb0b540 100644
--- a/arch/s390/kernel/init_task.c
+++ b/arch/s390/kernel/init_task.c
@@ -25,9 +25,8 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
* way process stacks are handled. This is done by having a special
* "init_task" linker map entry..
*/
-union thread_union init_thread_union
- __attribute__((__section__(".data.init_task"))) =
- { INIT_THREAD_INFO(init_task) };
+union thread_union init_thread_union __init_task_data =
+ { INIT_THREAD_INFO(init_task) };
/*
* Initial task structure.
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 5a43f27eec13..5417eb57271a 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -27,11 +27,11 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/notifier.h>
-#include <linux/utsname.h>
#include <linux/tick.h>
#include <linux/elfcore.h>
#include <linux/kernel_stat.h>
#include <linux/syscalls.h>
+#include <linux/compat.h>
#include <asm/compat.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
@@ -230,17 +230,11 @@ SYSCALL_DEFINE0(fork)
return do_fork(SIGCHLD, regs->gprs[15], regs, 0, NULL, NULL);
}
-SYSCALL_DEFINE0(clone)
+SYSCALL_DEFINE4(clone, unsigned long, newsp, unsigned long, clone_flags,
+ int __user *, parent_tidptr, int __user *, child_tidptr)
{
struct pt_regs *regs = task_pt_regs(current);
- unsigned long clone_flags;
- unsigned long newsp;
- int __user *parent_tidptr, *child_tidptr;
- clone_flags = regs->gprs[3];
- newsp = regs->orig_gpr2;
- parent_tidptr = (int __user *) regs->gprs[4];
- child_tidptr = (int __user *) regs->gprs[5];
if (!newsp)
newsp = regs->gprs[15];
return do_fork(clone_flags, newsp, regs, 0,
@@ -274,30 +268,25 @@ asmlinkage void execve_tail(void)
/*
* sys_execve() executes a new program.
*/
-SYSCALL_DEFINE0(execve)
+SYSCALL_DEFINE3(execve, char __user *, name, char __user * __user *, argv,
+ char __user * __user *, envp)
{
struct pt_regs *regs = task_pt_regs(current);
char *filename;
- unsigned long result;
- int rc;
+ long rc;
- filename = getname((char __user *) regs->orig_gpr2);
- if (IS_ERR(filename)) {
- result = PTR_ERR(filename);
+ filename = getname(name);
+ rc = PTR_ERR(filename);
+ if (IS_ERR(filename))
+ return rc;
+ rc = do_execve(filename, argv, envp, regs);
+ if (rc)
goto out;
- }
- rc = do_execve(filename, (char __user * __user *) regs->gprs[3],
- (char __user * __user *) regs->gprs[4], regs);
- if (rc) {
- result = rc;
- goto out_putname;
- }
execve_tail();
- result = regs->gprs[2];
-out_putname:
- putname(filename);
+ rc = regs->gprs[2];
out:
- return result;
+ putname(filename);
+ return rc;
}
/*
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index f3ddd7ac06c5..a8738676b26c 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -339,24 +339,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
int copied, ret;
switch (request) {
- case PTRACE_PEEKTEXT:
- case PTRACE_PEEKDATA:
- /* Remove high order bit from address (only for 31 bit). */
- addr &= PSW_ADDR_INSN;
- /* read word at location addr. */
- return generic_ptrace_peekdata(child, addr, data);
-
case PTRACE_PEEKUSR:
/* read the word at location addr in the USER area. */
return peek_user(child, addr, data);
- case PTRACE_POKETEXT:
- case PTRACE_POKEDATA:
- /* Remove high order bit from address (only for 31 bit). */
- addr &= PSW_ADDR_INSN;
- /* write the word at location addr. */
- return generic_ptrace_pokedata(child, addr, data);
-
case PTRACE_POKEUSR:
/* write the word at location addr in the USER area */
return poke_user(child, addr, data);
@@ -386,8 +372,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
copied += sizeof(unsigned long);
}
return 0;
+ default:
+ /* Removing high order bit from addr (only for 31 bit). */
+ addr &= PSW_ADDR_INSN;
+ return ptrace_request(child, request, addr, data);
}
- return ptrace_request(child, request, addr, data);
}
#ifdef CONFIG_COMPAT
diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S
index 20639dfe0c42..e27ca63076d1 100644
--- a/arch/s390/kernel/sclp.S
+++ b/arch/s390/kernel/sclp.S
@@ -24,8 +24,6 @@ LC_EXT_INT_CODE = 0x86 # addr of ext int code
# R3 = external interruption parameter if R2=0
#
-.section ".init.text","ax"
-
_sclp_wait_int:
stm %r6,%r15,24(%r15) # save registers
basr %r13,0 # get base register
@@ -318,9 +316,8 @@ _sclp_print_early:
.long _sclp_work_area
.Lascebc:
.long _ascebc
-.previous
-.section ".init.data","a"
+.section .data,"aw",@progbits
.balign 4096
_sclp_work_area:
.fill 4096
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 56c16876b919..c932caa5e850 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -147,11 +147,11 @@ static void smp_ext_bitcall(int cpu, ec_bit_sig sig)
udelay(10);
}
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
int cpu;
- for_each_cpu_mask(cpu, mask)
+ for_each_cpu(cpu, mask)
smp_ext_bitcall(cpu, ec_call_function);
}
@@ -475,10 +475,8 @@ static int __cpuinit smp_alloc_lowcore(int cpu)
{
unsigned long async_stack, panic_stack;
struct _lowcore *lowcore;
- int lc_order;
- lc_order = sizeof(long) == 8 ? 1 : 0;
- lowcore = (void *) __get_free_pages(GFP_KERNEL | GFP_DMA, lc_order);
+ lowcore = (void *) __get_free_pages(GFP_KERNEL | GFP_DMA, LC_ORDER);
if (!lowcore)
return -ENOMEM;
async_stack = __get_free_pages(GFP_KERNEL, ASYNC_ORDER);
@@ -509,16 +507,14 @@ static int __cpuinit smp_alloc_lowcore(int cpu)
out:
free_page(panic_stack);
free_pages(async_stack, ASYNC_ORDER);
- free_pages((unsigned long) lowcore, lc_order);
+ free_pages((unsigned long) lowcore, LC_ORDER);
return -ENOMEM;
}
static void smp_free_lowcore(int cpu)
{
struct _lowcore *lowcore;
- int lc_order;
- lc_order = sizeof(long) == 8 ? 1 : 0;
lowcore = lowcore_ptr[cpu];
#ifndef CONFIG_64BIT
if (MACHINE_HAS_IEEE)
@@ -528,7 +524,7 @@ static void smp_free_lowcore(int cpu)
#endif
free_page(lowcore->panic_stack - PAGE_SIZE);
free_pages(lowcore->async_stack - ASYNC_SIZE, ASYNC_ORDER);
- free_pages((unsigned long) lowcore, lc_order);
+ free_pages((unsigned long) lowcore, LC_ORDER);
lowcore_ptr[cpu] = NULL;
}
@@ -664,7 +660,6 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
unsigned long async_stack, panic_stack;
struct _lowcore *lowcore;
unsigned int cpu;
- int lc_order;
smp_detect_cpus();
@@ -674,8 +669,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
print_cpu_info();
/* Reallocate current lowcore, but keep its contents. */
- lc_order = sizeof(long) == 8 ? 1 : 0;
- lowcore = (void *) __get_free_pages(GFP_KERNEL | GFP_DMA, lc_order);
+ lowcore = (void *) __get_free_pages(GFP_KERNEL | GFP_DMA, LC_ORDER);
panic_stack = __get_free_page(GFP_KERNEL);
async_stack = __get_free_pages(GFP_KERNEL, ASYNC_ORDER);
BUG_ON(!lowcore || !panic_stack || !async_stack);
@@ -1047,42 +1041,6 @@ out:
static SYSDEV_CLASS_ATTR(dispatching, 0644, dispatching_show,
dispatching_store);
-/*
- * If the resume kernel runs on another cpu than the suspended kernel,
- * we have to switch the cpu IDs in the logical map.
- */
-void smp_switch_boot_cpu_in_resume(u32 resume_phys_cpu_id,
- struct _lowcore *suspend_lowcore)
-{
- int cpu, suspend_cpu_id, resume_cpu_id;
- u32 suspend_phys_cpu_id;
-
- suspend_phys_cpu_id = __cpu_logical_map[suspend_lowcore->cpu_nr];
- suspend_cpu_id = suspend_lowcore->cpu_nr;
-
- for_each_present_cpu(cpu) {
- if (__cpu_logical_map[cpu] == resume_phys_cpu_id) {
- resume_cpu_id = cpu;
- goto found;
- }
- }
- panic("Could not find resume cpu in logical map.\n");
-
-found:
- printk("Resume cpu ID: %i/%i\n", resume_phys_cpu_id, resume_cpu_id);
- printk("Suspend cpu ID: %i/%i\n", suspend_phys_cpu_id, suspend_cpu_id);
-
- __cpu_logical_map[resume_cpu_id] = suspend_phys_cpu_id;
- __cpu_logical_map[suspend_cpu_id] = resume_phys_cpu_id;
-
- lowcore_ptr[suspend_cpu_id]->cpu_addr = resume_phys_cpu_id;
-}
-
-u32 smp_get_phys_cpu_id(void)
-{
- return __cpu_logical_map[smp_processor_id()];
-}
-
static int __init topology_init(void)
{
int cpu;
diff --git a/arch/s390/kernel/suspend.c b/arch/s390/kernel/suspend.c
index 086bee970cae..cf9e5c6d5527 100644
--- a/arch/s390/kernel/suspend.c
+++ b/arch/s390/kernel/suspend.c
@@ -6,36 +6,26 @@
* Author(s): Hans-Joachim Picht <hans@linux.vnet.ibm.com>
*/
-#include <linux/suspend.h>
-#include <linux/reboot.h>
#include <linux/pfn.h>
-#include <linux/mm.h>
-#include <asm/sections.h>
#include <asm/system.h>
-#include <asm/ipl.h>
/*
* References to section boundaries
*/
extern const void __nosave_begin, __nosave_end;
-/*
- * check if given pfn is in the 'nosave' or in the read only NSS section
- */
int pfn_is_nosave(unsigned long pfn)
{
- unsigned long nosave_begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;
- unsigned long nosave_end_pfn = PAGE_ALIGN(__pa(&__nosave_end))
- >> PAGE_SHIFT;
- unsigned long eshared_pfn = PFN_DOWN(__pa(&_eshared)) - 1;
- unsigned long stext_pfn = PFN_DOWN(__pa(&_stext));
+ unsigned long nosave_begin_pfn = PFN_DOWN(__pa(&__nosave_begin));
+ unsigned long nosave_end_pfn = PFN_DOWN(__pa(&__nosave_end));
+ /* Always save lowcore pages (LC protection might be enabled). */
+ if (pfn <= LC_PAGES)
+ return 0;
if (pfn >= nosave_begin_pfn && pfn < nosave_end_pfn)
return 1;
- if (pfn >= stext_pfn && pfn <= eshared_pfn) {
- if (ipl_info.type == IPL_TYPE_NSS)
- return 1;
- } else if ((tprot(pfn * PAGE_SIZE) && pfn > 0))
+ /* Skip memory holes and read-only pages (NSS, DCSS, ...). */
+ if (tprot(PFN_PHYS(pfn)))
return 1;
return 0;
}
diff --git a/arch/s390/kernel/swsusp_asm64.S b/arch/s390/kernel/swsusp_asm64.S
index 7cd6b096f0d1..fe927d0bc20b 100644
--- a/arch/s390/kernel/swsusp_asm64.S
+++ b/arch/s390/kernel/swsusp_asm64.S
@@ -9,6 +9,7 @@
#include <asm/page.h>
#include <asm/ptrace.h>
+#include <asm/thread_info.h>
#include <asm/asm-offsets.h>
/*
@@ -41,6 +42,9 @@ swsusp_arch_suspend:
/* Get pointer to save area */
lghi %r1,0x1000
+ /* Save CPU address */
+ stap __LC_CPU_ADDRESS(%r1)
+
/* Store registers */
mvc 0x318(4,%r1),__SF_EMPTY(%r15) /* move prefix to lowcore */
stfpc 0x31c(%r1) /* store fpu control */
@@ -102,11 +106,10 @@ swsusp_arch_resume:
aghi %r15,-STACK_FRAME_OVERHEAD
stg %r1,__SF_BACKCHAIN(%r15)
-#ifdef CONFIG_SMP
- /* Save boot cpu number */
- brasl %r14,smp_get_phys_cpu_id
- lgr %r10,%r2
-#endif
+ /* Make all free pages stable */
+ lghi %r2,1
+ brasl %r14,arch_set_page_states
+
/* Deactivate DAT */
stnsm __SF_EMPTY(%r15),0xfb
@@ -133,6 +136,69 @@ swsusp_arch_resume:
2:
ptlb /* flush tlb */
+ /* Reset System */
+ larl %r1,restart_entry
+ larl %r2,.Lrestart_diag308_psw
+ og %r1,0(%r2)
+ stg %r1,0(%r0)
+ larl %r1,.Lnew_pgm_check_psw
+ epsw %r2,%r3
+ stm %r2,%r3,0(%r1)
+ mvc __LC_PGM_NEW_PSW(16,%r0),0(%r1)
+ lghi %r0,0
+ diag %r0,%r0,0x308
+restart_entry:
+ lhi %r1,1
+ sigp %r1,%r0,0x12
+ sam64
+ larl %r1,.Lnew_pgm_check_psw
+ lpswe 0(%r1)
+pgm_check_entry:
+
+ /* Switch to original suspend CPU */
+ larl %r1,.Lresume_cpu /* Resume CPU address: r2 */
+ stap 0(%r1)
+ llgh %r2,0(%r1)
+ lghi %r3,0x1000
+ llgh %r1,__LC_CPU_ADDRESS(%r3) /* Suspend CPU address: r1 */
+ cgr %r1,%r2
+ je restore_registers /* r1 = r2 -> nothing to do */
+ larl %r4,.Lrestart_suspend_psw /* Set new restart PSW */
+ mvc __LC_RESTART_PSW(16,%r0),0(%r4)
+3:
+ sigp %r9,%r1,__SIGP_INITIAL_CPU_RESET
+ brc 8,4f /* accepted */
+ brc 2,3b /* busy, try again */
+
+ /* Suspend CPU not available -> panic */
+ larl %r15,init_thread_union
+ ahi %r15,1<<(PAGE_SHIFT+THREAD_ORDER)
+ larl %r2,.Lpanic_string
+ larl %r3,_sclp_print_early
+ lghi %r1,0
+ sam31
+ sigp %r1,%r0,0x12
+ basr %r14,%r3
+ larl %r3,.Ldisabled_wait_31
+ lpsw 0(%r3)
+4:
+ /* Switch to suspend CPU */
+ sigp %r9,%r1,__SIGP_RESTART /* start suspend CPU */
+ brc 2,4b /* busy, try again */
+5:
+ sigp %r9,%r2,__SIGP_STOP /* stop resume (current) CPU */
+6: j 6b
+
+restart_suspend:
+ larl %r1,.Lresume_cpu
+ llgh %r2,0(%r1)
+7:
+ sigp %r9,%r2,__SIGP_SENSE /* Wait for resume CPU */
+ brc 2,7b /* busy, try again */
+ tmll %r9,0x40 /* Test if resume CPU is stopped */
+ jz 7b
+
+restore_registers:
/* Restore registers */
lghi %r13,0x1000 /* %r1 = pointer to save arae */
@@ -166,19 +232,33 @@ swsusp_arch_resume:
/* Pointer to save area */
lghi %r13,0x1000
-#ifdef CONFIG_SMP
- /* Switch CPUs */
- lgr %r2,%r10 /* get cpu id */
- llgf %r3,0x318(%r13)
- brasl %r14,smp_switch_boot_cpu_in_resume
-#endif
/* Restore prefix register */
spx 0x318(%r13)
/* Activate DAT */
stosm __SF_EMPTY(%r15),0x04
+ /* Make all free pages unstable */
+ lghi %r2,0
+ brasl %r14,arch_set_page_states
+
/* Return 0 */
lmg %r6,%r15,STACK_FRAME_OVERHEAD + __SF_GPRS(%r15)
lghi %r2,0
br %r14
+
+ .section .data.nosave,"aw",@progbits
+ .align 8
+.Ldisabled_wait_31:
+ .long 0x000a0000,0x00000000
+.Lpanic_string:
+ .asciz "Resume not possible because suspend CPU is no longer available"
+ .align 8
+.Lrestart_diag308_psw:
+ .long 0x00080000,0x80000000
+.Lrestart_suspend_psw:
+ .quad 0x0000000180000000,restart_suspend
+.Lnew_pgm_check_psw:
+ .quad 0,pgm_check_entry
+.Lresume_cpu:
+ .byte 0,0
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index c7ae4b17e0e3..e9d94f61d500 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -29,7 +29,6 @@
#include <linux/personality.h>
#include <linux/unistd.h>
#include <linux/ipc.h>
-#include <linux/syscalls.h>
#include <asm/uaccess.h>
#include "entry.h"
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index ad1acd200385..30eca070d426 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -19,7 +19,7 @@ SYSCALL(sys_restart_syscall,sys_restart_syscall,sys_restart_syscall)
SYSCALL(sys_creat,sys_creat,sys32_creat_wrapper)
SYSCALL(sys_link,sys_link,sys32_link_wrapper)
SYSCALL(sys_unlink,sys_unlink,sys32_unlink_wrapper) /* 10 */
-SYSCALL(sys_execve,sys_execve,sys32_execve)
+SYSCALL(sys_execve,sys_execve,sys32_execve_wrapper)
SYSCALL(sys_chdir,sys_chdir,sys32_chdir_wrapper)
SYSCALL(sys_time,sys_ni_syscall,sys32_time_wrapper) /* old time syscall */
SYSCALL(sys_mknod,sys_mknod,sys32_mknod_wrapper)
@@ -128,7 +128,7 @@ SYSCALL(sys_sysinfo,sys_sysinfo,compat_sys_sysinfo_wrapper)
SYSCALL(sys_ipc,sys_ipc,sys32_ipc_wrapper)
SYSCALL(sys_fsync,sys_fsync,sys32_fsync_wrapper)
SYSCALL(sys_sigreturn,sys_sigreturn,sys32_sigreturn)
-SYSCALL(sys_clone,sys_clone,sys32_clone) /* 120 */
+SYSCALL(sys_clone,sys_clone,sys_clone_wrapper) /* 120 */
SYSCALL(sys_setdomainname,sys_setdomainname,sys32_setdomainname_wrapper)
SYSCALL(sys_newuname,sys_s390_newuname,sys32_newuname_wrapper)
NI_SYSCALL /* modify_ldt for i386 */
@@ -136,8 +136,8 @@ SYSCALL(sys_adjtimex,sys_adjtimex,compat_sys_adjtimex_wrapper)
SYSCALL(sys_mprotect,sys_mprotect,sys32_mprotect_wrapper) /* 125 */
SYSCALL(sys_sigprocmask,sys_sigprocmask,compat_sys_sigprocmask_wrapper)
NI_SYSCALL /* old "create module" */
-SYSCALL(sys_init_module,sys_init_module,sys32_init_module_wrapper)
-SYSCALL(sys_delete_module,sys_delete_module,sys32_delete_module_wrapper)
+SYSCALL(sys_init_module,sys_init_module,sys_init_module_wrapper)
+SYSCALL(sys_delete_module,sys_delete_module,sys_delete_module_wrapper)
NI_SYSCALL /* 130: old get_kernel_syms */
SYSCALL(sys_quotactl,sys_quotactl,sys32_quotactl_wrapper)
SYSCALL(sys_getpgid,sys_getpgid,sys32_getpgid_wrapper)
@@ -339,4 +339,4 @@ SYSCALL(sys_epoll_create1,sys_epoll_create1,sys_epoll_create1_wrapper)
SYSCALL(sys_preadv,sys_preadv,compat_sys_preadv_wrapper)
SYSCALL(sys_pwritev,sys_pwritev,compat_sys_pwritev_wrapper)
SYSCALL(sys_rt_tgsigqueueinfo,sys_rt_tgsigqueueinfo,compat_sys_rt_tgsigqueueinfo_wrapper) /* 330 */
-SYSCALL(sys_perf_counter_open,sys_perf_counter_open,sys_perf_counter_open_wrapper)
+SYSCALL(sys_perf_event_open,sys_perf_event_open,sys_perf_event_open_wrapper)
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index e3dc28b8075d..34162a0b2caa 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -184,12 +184,14 @@ static void timing_alert_interrupt(__u16 code)
static void etr_reset(void);
static void stp_reset(void);
-unsigned long read_persistent_clock(void)
+void read_persistent_clock(struct timespec *ts)
{
- struct timespec ts;
+ tod_to_timeval(get_clock() - TOD_UNIX_EPOCH, ts);
+}
- tod_to_timeval(get_clock() - TOD_UNIX_EPOCH, &ts);
- return ts.tv_sec;
+void read_boot_clock(struct timespec *ts)
+{
+ tod_to_timeval(sched_clock_base_cc - TOD_UNIX_EPOCH, ts);
}
static cycle_t read_tod_clock(struct clocksource *cs)
@@ -207,6 +209,10 @@ static struct clocksource clocksource_tod = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
+struct clocksource * __init clocksource_default_clock(void)
+{
+ return &clocksource_tod;
+}
void update_vsyscall(struct timespec *wall_time, struct clocksource *clock)
{
@@ -244,10 +250,6 @@ void update_vsyscall_tz(void)
*/
void __init time_init(void)
{
- struct timespec ts;
- unsigned long flags;
- cycle_t now;
-
/* Reset time synchronization interfaces. */
etr_reset();
stp_reset();
@@ -263,26 +265,6 @@ void __init time_init(void)
if (clocksource_register(&clocksource_tod) != 0)
panic("Could not register TOD clock source");
- /*
- * The TOD clock is an accurate clock. The xtime should be
- * initialized in a way that the difference between TOD and
- * xtime is reasonably small. Too bad that timekeeping_init
- * sets xtime.tv_nsec to zero. In addition the clock source
- * change from the jiffies clock source to the TOD clock
- * source add another error of up to 1/HZ second. The same
- * function sets wall_to_monotonic to a value that is too
- * small for /proc/uptime to be accurate.
- * Reset xtime and wall_to_monotonic to sane values.
- */
- write_seqlock_irqsave(&xtime_lock, flags);
- now = get_clock();
- tod_to_timeval(now - TOD_UNIX_EPOCH, &xtime);
- clocksource_tod.cycle_last = now;
- clocksource_tod.raw_time = xtime;
- tod_to_timeval(sched_clock_base_cc - TOD_UNIX_EPOCH, &ts);
- set_normalized_timespec(&wall_to_monotonic, -ts.tv_sec, -ts.tv_nsec);
- write_sequnlock_irqrestore(&xtime_lock, flags);
-
/* Enable TOD clock interrupts on the boot cpu. */
init_cpu_timer();
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index 45e1708b70fd..45a3e9a7ae21 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -75,7 +75,7 @@ __setup("vdso=", vdso_setup);
static union {
struct vdso_data data;
u8 page[PAGE_SIZE];
-} vdso_data_store __attribute__((__section__(".data.page_aligned")));
+} vdso_data_store __page_aligned_data;
struct vdso_data *vdso_data = &vdso_data_store.data;
/*
diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
index ca78ad60ba24..d13e8755a8cc 100644
--- a/arch/s390/kernel/vdso32/Makefile
+++ b/arch/s390/kernel/vdso32/Makefile
@@ -13,7 +13,7 @@ KBUILD_AFLAGS_31 += -m31 -s
KBUILD_CFLAGS_31 := $(filter-out -m64,$(KBUILD_CFLAGS))
KBUILD_CFLAGS_31 += -m31 -fPIC -shared -fno-common -fno-builtin
KBUILD_CFLAGS_31 += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
- $(call ld-option, -Wl$(comma)--hash-style=sysv)
+ $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
$(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_31)
$(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_31)
diff --git a/arch/s390/kernel/vdso32/vdso32_wrapper.S b/arch/s390/kernel/vdso32/vdso32_wrapper.S
index 61639a89e70b..ae42f8ce350b 100644
--- a/arch/s390/kernel/vdso32/vdso32_wrapper.S
+++ b/arch/s390/kernel/vdso32/vdso32_wrapper.S
@@ -1,7 +1,8 @@
#include <linux/init.h>
+#include <linux/linkage.h>
#include <asm/page.h>
- .section ".data.page_aligned"
+ __PAGE_ALIGNED_DATA
.globl vdso32_start, vdso32_end
.balign PAGE_SIZE
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index 6fc8e829258c..449352dda9cd 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -13,7 +13,7 @@ KBUILD_AFLAGS_64 += -m64 -s
KBUILD_CFLAGS_64 := $(filter-out -m64,$(KBUILD_CFLAGS))
KBUILD_CFLAGS_64 += -m64 -fPIC -shared -fno-common -fno-builtin
KBUILD_CFLAGS_64 += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
- $(call ld-option, -Wl$(comma)--hash-style=sysv)
+ $(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
$(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64)
$(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_64)
diff --git a/arch/s390/kernel/vdso64/vdso64_wrapper.S b/arch/s390/kernel/vdso64/vdso64_wrapper.S
index d8e2ac14d564..c245842b516f 100644
--- a/arch/s390/kernel/vdso64/vdso64_wrapper.S
+++ b/arch/s390/kernel/vdso64/vdso64_wrapper.S
@@ -1,7 +1,8 @@
#include <linux/init.h>
+#include <linux/linkage.h>
#include <asm/page.h>
- .section ".data.page_aligned"
+ __PAGE_ALIGNED_DATA
.globl vdso64_start, vdso64_end
.balign PAGE_SIZE
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 2c2f98353415..43486c2408e1 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -478,7 +478,7 @@ int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code)
if (!inti)
return -ENOMEM;
- inti->type = KVM_S390_PROGRAM_INT;;
+ inti->type = KVM_S390_PROGRAM_INT;
inti->pgm.code = code;
VCPU_EVENT(vcpu, 3, "inject: program check %d (from kernel)", code);
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 413c240cbca7..b201135cc18c 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -262,7 +262,7 @@ cmm_skip_blanks(char *cp, char **endp)
static struct ctl_table cmm_table[];
static int
-cmm_pages_handler(ctl_table *ctl, int write, struct file *filp,
+cmm_pages_handler(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
char buf[16], *p;
@@ -303,7 +303,7 @@ cmm_pages_handler(ctl_table *ctl, int write, struct file *filp,
}
static int
-cmm_timeout_handler(ctl_table *ctl, int write, struct file *filp,
+cmm_timeout_handler(ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
char buf[64], *p;
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 1abbadd497e1..6d507462967a 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -10,7 +10,7 @@
* Copyright (C) 1995 Linus Torvalds
*/
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/kernel.h>
@@ -306,7 +306,7 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int write)
* interrupts again and then search the VMAs
*/
local_irq_enable();
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
down_read(&mm->mmap_sem);
si_code = SEGV_MAPERR;
@@ -366,11 +366,11 @@ good_area:
}
if (fault & VM_FAULT_MAJOR) {
tsk->maj_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MAJ, 1, 0,
regs, address);
} else {
tsk->min_flt++;
- perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
+ perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS_MIN, 1, 0,
regs, address);
}
up_read(&mm->mmap_sem);
diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c
index c634dfbe92e9..765647952221 100644
--- a/arch/s390/mm/init.c
+++ b/arch/s390/mm/init.c
@@ -105,7 +105,7 @@ void __init mem_init(void)
datasize = (unsigned long) &_edata - (unsigned long) &_etext;
initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
printk("Memory: %luk/%luk available (%ldk kernel code, %ldk reserved, %ldk data, %ldk init)\n",
- (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
+ nr_free_pages() << (PAGE_SHIFT-10),
max_mapnr << (PAGE_SHIFT-10),
codesize >> 10,
reservedpages << (PAGE_SHIFT-10),
diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c
index f92ec203ad92..098923ae458f 100644
--- a/arch/s390/mm/page-states.c
+++ b/arch/s390/mm/page-states.c
@@ -50,28 +50,64 @@ void __init cmma_init(void)
cmma_flag = 0;
}
-void arch_free_page(struct page *page, int order)
+static inline void set_page_unstable(struct page *page, int order)
{
int i, rc;
- if (!cmma_flag)
- return;
for (i = 0; i < (1 << order); i++)
asm volatile(".insn rrf,0xb9ab0000,%0,%1,%2,0"
: "=&d" (rc)
- : "a" ((page_to_pfn(page) + i) << PAGE_SHIFT),
+ : "a" (page_to_phys(page + i)),
"i" (ESSA_SET_UNUSED));
}
-void arch_alloc_page(struct page *page, int order)
+void arch_free_page(struct page *page, int order)
{
- int i, rc;
-
if (!cmma_flag)
return;
+ set_page_unstable(page, order);
+}
+
+static inline void set_page_stable(struct page *page, int order)
+{
+ int i, rc;
+
for (i = 0; i < (1 << order); i++)
asm volatile(".insn rrf,0xb9ab0000,%0,%1,%2,0"
: "=&d" (rc)
- : "a" ((page_to_pfn(page) + i) << PAGE_SHIFT),
+ : "a" (page_to_phys(page + i)),
"i" (ESSA_SET_STABLE));
}
+
+void arch_alloc_page(struct page *page, int order)
+{
+ if (!cmma_flag)
+ return;
+ set_page_stable(page, order);
+}
+
+void arch_set_page_states(int make_stable)
+{
+ unsigned long flags, order, t;
+ struct list_head *l;
+ struct page *page;
+ struct zone *zone;
+
+ if (!cmma_flag)
+ return;
+ if (make_stable)
+ drain_local_pages(NULL);
+ for_each_populated_zone(zone) {
+ spin_lock_irqsave(&zone->lock, flags);
+ for_each_migratetype_order(order, t) {
+ list_for_each(l, &zone->free_area[order].free_list[t]) {
+ page = list_entry(l, struct page, lru);
+ if (make_stable)
+ set_page_stable(page, order);
+ else
+ set_page_unstable(page, order);
+ }
+ }
+ spin_unlock_irqrestore(&zone->lock, flags);
+ }
+}
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index c70215247071..c60bfb309ce6 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -314,21 +314,18 @@ int s390_enable_sie(void)
}
EXPORT_SYMBOL_GPL(s390_enable_sie);
-#ifdef CONFIG_DEBUG_PAGEALLOC
-#ifdef CONFIG_HIBERNATION
+#if defined(CONFIG_DEBUG_PAGEALLOC) && defined(CONFIG_HIBERNATION)
bool kernel_page_present(struct page *page)
{
unsigned long addr;
int cc;
addr = page_to_phys(page);
- asm("lra %1,0(%1)\n"
- "ipm %0\n"
- "srl %0,28"
- :"=d"(cc),"+a"(addr)::"cc");
+ asm volatile(
+ " lra %1,0(%1)\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (cc), "+a" (addr) : : "cc");
return cc == 0;
}
-
-#endif /* CONFIG_HIBERNATION */
-#endif /* CONFIG_DEBUG_PAGEALLOC */
-
+#endif /* CONFIG_HIBERNATION && CONFIG_DEBUG_PAGEALLOC */