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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-09 10:55:17 -0800
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-03-09 10:55:17 -0800
commitb675b3667f6729dcd1036a2a129b35445947f905 (patch)
tree0d58791e9063d3ca2c352da6f3e7df2bdb876f9d /kernel
parent104a5f3cad8f2f27cadbdf0029400ecd9e17ccc0 (diff)
parent192cfd58774b4d17b2fe8bdc77d89c2ef4e0591d (diff)
Merge commit 'v3.3-rc6' into next
Diffstat (limited to 'kernel')
-rw-r--r--kernel/Makefile23
-rw-r--r--kernel/acct.c46
-rw-r--r--kernel/async.c2
-rw-r--r--kernel/audit.c13
-rw-r--r--kernel/audit.h6
-rw-r--r--kernel/auditfilter.c17
-rw-r--r--kernel/auditsc.c754
-rw-r--r--kernel/capability.c80
-rw-r--r--kernel/cgroup.c428
-rw-r--r--kernel/cgroup_freezer.c86
-rw-r--r--kernel/cpu.c8
-rw-r--r--kernel/cpuset.c134
-rw-r--r--kernel/debug/kdb/kdb_main.c2
-rw-r--r--kernel/debug/kdb/kdb_support.c2
-rw-r--r--kernel/events/Makefile2
-rw-r--r--kernel/events/callchain.c189
-rw-r--r--kernel/events/core.c473
-rw-r--r--kernel/events/hw_breakpoint.c4
-rw-r--r--kernel/events/internal.h42
-rw-r--r--kernel/events/ring_buffer.c5
-rw-r--r--kernel/exit.c62
-rw-r--r--kernel/fork.c65
-rw-r--r--kernel/freezer.c203
-rw-r--r--kernel/futex.c28
-rw-r--r--kernel/hrtimer.c6
-rw-r--r--kernel/hung_task.c14
-rw-r--r--kernel/irq/autoprobe.c4
-rw-r--r--kernel/irq/chip.c42
-rw-r--r--kernel/irq/internals.h4
-rw-r--r--kernel/irq/irqdomain.c15
-rw-r--r--kernel/irq/manage.c11
-rw-r--r--kernel/irq/spurious.c6
-rw-r--r--kernel/itimer.c15
-rw-r--r--kernel/jump_label.c54
-rw-r--r--kernel/kexec.c29
-rw-r--r--kernel/kmod.c27
-rw-r--r--kernel/kprobes.c10
-rw-r--r--kernel/kthread.c27
-rw-r--r--kernel/lockdep.c91
-rw-r--r--kernel/module.c205
-rw-r--r--kernel/panic.c43
-rw-r--r--kernel/params.c41
-rw-r--r--kernel/pid.c8
-rw-r--r--kernel/pid_namespace.c31
-rw-r--r--kernel/posix-cpu-timers.c132
-rw-r--r--kernel/power/hibernate.c104
-rw-r--r--kernel/power/main.c10
-rw-r--r--kernel/power/power.h26
-rw-r--r--kernel/power/process.c93
-rw-r--r--kernel/power/snapshot.c9
-rw-r--r--kernel/power/suspend.c12
-rw-r--r--kernel/power/swap.c14
-rw-r--r--kernel/power/user.c195
-rw-r--r--kernel/printk.c24
-rw-r--r--kernel/ptrace.c27
-rw-r--r--kernel/rcu.h7
-rw-r--r--kernel/rcupdate.c12
-rw-r--r--kernel/rcutiny.c149
-rw-r--r--kernel/rcutiny_plugin.h29
-rw-r--r--kernel/rcutorture.c229
-rw-r--r--kernel/rcutree.c290
-rw-r--r--kernel/rcutree.h26
-rw-r--r--kernel/rcutree_plugin.h289
-rw-r--r--kernel/rcutree_trace.c12
-rw-r--r--kernel/relay.c12
-rw-r--r--kernel/res_counter.c28
-rw-r--r--kernel/rtmutex-debug.c1
-rw-r--r--kernel/rtmutex-tester.c37
-rw-r--r--kernel/rtmutex.c8
-rw-r--r--kernel/sched/Makefile20
-rw-r--r--kernel/sched/auto_group.c (renamed from kernel/sched_autogroup.c)33
-rw-r--r--kernel/sched/auto_group.h (renamed from kernel/sched_autogroup.h)26
-rw-r--r--kernel/sched/clock.c (renamed from kernel/sched_clock.c)0
-rw-r--r--kernel/sched/core.c (renamed from kernel/sched.c)2306
-rw-r--r--kernel/sched/cpupri.c (renamed from kernel/sched_cpupri.c)7
-rw-r--r--kernel/sched/cpupri.h (renamed from kernel/sched_cpupri.h)0
-rw-r--r--kernel/sched/debug.c (renamed from kernel/sched_debug.c)6
-rw-r--r--kernel/sched/fair.c (renamed from kernel/sched_fair.c)1155
-rw-r--r--kernel/sched/features.h (renamed from kernel/sched_features.h)29
-rw-r--r--kernel/sched/idle_task.c (renamed from kernel/sched_idletask.c)4
-rw-r--r--kernel/sched/rt.c (renamed from kernel/sched_rt.c)226
-rw-r--r--kernel/sched/sched.h1166
-rw-r--r--kernel/sched/stats.c111
-rw-r--r--kernel/sched/stats.h (renamed from kernel/sched_stats.h)109
-rw-r--r--kernel/sched/stop_task.c (renamed from kernel/sched_stoptask.c)4
-rw-r--r--kernel/seccomp.c2
-rw-r--r--kernel/signal.c82
-rw-r--r--kernel/softirq.c4
-rw-r--r--kernel/sys.c127
-rw-r--r--kernel/sysctl.c9
-rw-r--r--kernel/sysctl_binary.c2
-rw-r--r--kernel/time/Kconfig2
-rw-r--r--kernel/time/alarmtimer.c2
-rw-r--r--kernel/time/clockevents.c1
-rw-r--r--kernel/time/clocksource.c111
-rw-r--r--kernel/time/tick-broadcast.c2
-rw-r--r--kernel/time/tick-sched.c105
-rw-r--r--kernel/time/timekeeping.c94
-rw-r--r--kernel/timer.c64
-rw-r--r--kernel/trace/blktrace.c2
-rw-r--r--kernel/trace/ftrace.c720
-rw-r--r--kernel/trace/trace.c108
-rw-r--r--kernel/trace/trace.h4
-rw-r--r--kernel/trace/trace_events.c1
-rw-r--r--kernel/trace/trace_events_filter.c294
-rw-r--r--kernel/trace/trace_irqsoff.c13
-rw-r--r--kernel/trace/trace_output.c16
-rw-r--r--kernel/trace/trace_sched_wakeup.c13
-rw-r--r--kernel/trace/trace_stack.c30
-rw-r--r--kernel/tracepoint.c7
-rw-r--r--kernel/tsacct.c2
-rw-r--r--kernel/wait.c4
-rw-r--r--kernel/watchdog.c2
-rw-r--r--kernel/workqueue.c32
114 files changed, 7422 insertions, 4767 deletions
diff --git a/kernel/Makefile b/kernel/Makefile
index e898c5b9d02c..2d9de86b7e76 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -2,16 +2,15 @@
# Makefile for the linux kernel.
#
-obj-y = sched.o fork.o exec_domain.o panic.o printk.o \
+obj-y = fork.o exec_domain.o panic.o printk.o \
cpu.o exit.o itimer.o time.o softirq.o resource.o \
sysctl.o sysctl_binary.o capability.o ptrace.o timer.o user.o \
signal.o sys.o kmod.o workqueue.o pid.o \
rcupdate.o extable.o params.o posix-timers.o \
kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \
hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
- notifier.o ksysfs.o sched_clock.o cred.o \
- async.o range.o
-obj-y += groups.o
+ notifier.o ksysfs.o cred.o \
+ async.o range.o groups.o
ifdef CONFIG_FUNCTION_TRACER
# Do not trace debug files and internal ftrace files
@@ -20,10 +19,12 @@ CFLAGS_REMOVE_lockdep_proc.o = -pg
CFLAGS_REMOVE_mutex-debug.o = -pg
CFLAGS_REMOVE_rtmutex-debug.o = -pg
CFLAGS_REMOVE_cgroup-debug.o = -pg
-CFLAGS_REMOVE_sched_clock.o = -pg
CFLAGS_REMOVE_irq_work.o = -pg
endif
+obj-y += sched/
+obj-y += power/
+
obj-$(CONFIG_FREEZER) += freezer.o
obj-$(CONFIG_PROFILING) += profile.o
obj-$(CONFIG_SYSCTL_SYSCALL_CHECK) += sysctl_check.o
@@ -52,8 +53,6 @@ obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
obj-$(CONFIG_UID16) += uid16.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_KALLSYMS) += kallsyms.o
-obj-$(CONFIG_PM) += power/
-obj-$(CONFIG_FREEZER) += power/
obj-$(CONFIG_BSD_PROCESS_ACCT) += acct.o
obj-$(CONFIG_KEXEC) += kexec.o
obj-$(CONFIG_BACKTRACE_SELF_TEST) += backtracetest.o
@@ -99,7 +98,6 @@ obj-$(CONFIG_TRACING) += trace/
obj-$(CONFIG_X86_DS) += trace/
obj-$(CONFIG_RING_BUFFER) += trace/
obj-$(CONFIG_TRACEPOINTS) += trace/
-obj-$(CONFIG_SMP) += sched_cpupri.o
obj-$(CONFIG_IRQ_WORK) += irq_work.o
obj-$(CONFIG_CPU_PM) += cpu_pm.o
@@ -110,15 +108,6 @@ obj-$(CONFIG_PADATA) += padata.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_JUMP_LABEL) += jump_label.o
-ifneq ($(CONFIG_SCHED_OMIT_FRAME_POINTER),y)
-# According to Alan Modra <alan@linuxcare.com.au>, the -fno-omit-frame-pointer is
-# needed for x86 only. Why this used to be enabled for all architectures is beyond
-# me. I suspect most platforms don't need this, but until we know that for sure
-# I turn this off for IA-64 only. Andreas Schwab says it's also needed on m68k
-# to get a correct value for the wait-channel (WCHAN in ps). --davidm
-CFLAGS_sched.o := $(PROFILING) -fno-omit-frame-pointer
-endif
-
$(obj)/configs.o: $(obj)/config_data.h
# config_data.h contains the same information as ikconfig.h but gzipped.
diff --git a/kernel/acct.c b/kernel/acct.c
index fa7eb3de2ddc..02e6167a53b0 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -84,11 +84,10 @@ static void do_acct_process(struct bsd_acct_struct *acct,
* the cache line to have the data after getting the lock.
*/
struct bsd_acct_struct {
- volatile int active;
- volatile int needcheck;
+ int active;
+ unsigned long needcheck;
struct file *file;
struct pid_namespace *ns;
- struct timer_list timer;
struct list_head list;
};
@@ -96,15 +95,6 @@ static DEFINE_SPINLOCK(acct_lock);
static LIST_HEAD(acct_list);
/*
- * Called whenever the timer says to check the free space.
- */
-static void acct_timeout(unsigned long x)
-{
- struct bsd_acct_struct *acct = (struct bsd_acct_struct *)x;
- acct->needcheck = 1;
-}
-
-/*
* Check the amount of free space and suspend/resume accordingly.
*/
static int check_free_space(struct bsd_acct_struct *acct, struct file *file)
@@ -112,12 +102,12 @@ static int check_free_space(struct bsd_acct_struct *acct, struct file *file)
struct kstatfs sbuf;
int res;
int act;
- sector_t resume;
- sector_t suspend;
+ u64 resume;
+ u64 suspend;
spin_lock(&acct_lock);
res = acct->active;
- if (!file || !acct->needcheck)
+ if (!file || time_is_before_jiffies(acct->needcheck))
goto out;
spin_unlock(&acct_lock);
@@ -127,8 +117,8 @@ static int check_free_space(struct bsd_acct_struct *acct, struct file *file)
suspend = sbuf.f_blocks * SUSPEND;
resume = sbuf.f_blocks * RESUME;
- sector_div(suspend, 100);
- sector_div(resume, 100);
+ do_div(suspend, 100);
+ do_div(resume, 100);
if (sbuf.f_bavail <= suspend)
act = -1;
@@ -160,10 +150,7 @@ static int check_free_space(struct bsd_acct_struct *acct, struct file *file)
}
}
- del_timer(&acct->timer);
- acct->needcheck = 0;
- acct->timer.expires = jiffies + ACCT_TIMEOUT*HZ;
- add_timer(&acct->timer);
+ acct->needcheck = jiffies + ACCT_TIMEOUT*HZ;
res = acct->active;
out:
spin_unlock(&acct_lock);
@@ -185,9 +172,7 @@ static void acct_file_reopen(struct bsd_acct_struct *acct, struct file *file,
if (acct->file) {
old_acct = acct->file;
old_ns = acct->ns;
- del_timer(&acct->timer);
acct->active = 0;
- acct->needcheck = 0;
acct->file = NULL;
acct->ns = NULL;
list_del(&acct->list);
@@ -195,13 +180,9 @@ static void acct_file_reopen(struct bsd_acct_struct *acct, struct file *file,
if (file) {
acct->file = file;
acct->ns = ns;
- acct->needcheck = 0;
+ acct->needcheck = jiffies + ACCT_TIMEOUT*HZ;
acct->active = 1;
list_add(&acct->list, &acct_list);
- /* It's been deleted if it was used before so this is safe */
- setup_timer(&acct->timer, acct_timeout, (unsigned long)acct);
- acct->timer.expires = jiffies + ACCT_TIMEOUT*HZ;
- add_timer(&acct->timer);
}
if (old_acct) {
mnt_unpin(old_acct->f_path.mnt);
@@ -334,7 +315,7 @@ void acct_auto_close(struct super_block *sb)
spin_lock(&acct_lock);
restart:
list_for_each_entry(acct, &acct_list, list)
- if (acct->file && acct->file->f_path.mnt->mnt_sb == sb) {
+ if (acct->file && acct->file->f_path.dentry->d_sb == sb) {
acct_file_reopen(acct, NULL, NULL);
goto restart;
}
@@ -348,7 +329,6 @@ void acct_exit_ns(struct pid_namespace *ns)
if (acct == NULL)
return;
- del_timer_sync(&acct->timer);
spin_lock(&acct_lock);
if (acct->file != NULL)
acct_file_reopen(acct, NULL, NULL);
@@ -498,7 +478,7 @@ static void do_acct_process(struct bsd_acct_struct *acct,
* Fill the accounting struct with the needed info as recorded
* by the different kernel functions.
*/
- memset((caddr_t)&ac, 0, sizeof(acct_t));
+ memset(&ac, 0, sizeof(acct_t));
ac.ac_version = ACCT_VERSION | ACCT_BYTEORDER;
strlcpy(ac.ac_comm, current->comm, sizeof(ac.ac_comm));
@@ -613,8 +593,8 @@ void acct_collect(long exitcode, int group_dead)
pacct->ac_flag |= ACORE;
if (current->flags & PF_SIGNALED)
pacct->ac_flag |= AXSIG;
- pacct->ac_utime = cputime_add(pacct->ac_utime, current->utime);
- pacct->ac_stime = cputime_add(pacct->ac_stime, current->stime);
+ pacct->ac_utime += current->utime;
+ pacct->ac_stime += current->stime;
pacct->ac_minflt += current->min_flt;
pacct->ac_majflt += current->maj_flt;
spin_unlock_irq(&current->sighand->siglock);
diff --git a/kernel/async.c b/kernel/async.c
index 80b74b88fefe..bd0c168a3bbe 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -78,8 +78,6 @@ static DECLARE_WAIT_QUEUE_HEAD(async_done);
static atomic_t entry_count;
-extern int initcall_debug;
-
/*
* MUST be called with the lock held!
diff --git a/kernel/audit.c b/kernel/audit.c
index 09fae2677a45..bb0eb5bb9a0a 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -601,13 +601,13 @@ static int audit_netlink_ok(struct sk_buff *skb, u16 msg_type)
case AUDIT_TTY_SET:
case AUDIT_TRIM:
case AUDIT_MAKE_EQUIV:
- if (security_netlink_recv(skb, CAP_AUDIT_CONTROL))
+ if (!capable(CAP_AUDIT_CONTROL))
err = -EPERM;
break;
case AUDIT_USER:
case AUDIT_FIRST_USER_MSG ... AUDIT_LAST_USER_MSG: