Oleg Nesterov ad133ba3dc sched, signals: fix the racy usage of ->signal in account_group_xxx/run_posix_cpu_timers ... Impact: fix potential NULL dereference Contrary to ad474caca3 changelog, other acct_group_xxx() helpers can be called after exit_notify() by timer tick. Thanks to Roland for pointing out this. Somehow I missed this simple fact when I read the original patch, and I am afraid I confused Frank during the discussion. Sorry. Fortunately, these helpers work with current, we can check ->exit_state to ensure that ->signal can't go away under us. Also, add the comment and compiler barrier to account_group_exec_runtime(), to make sure we load ->signal only once. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2008-11-17 16:49:35 +01:00
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irq
power	PM_TEST_SUSPEND should depend on RTC_CLASS, not RTC_LIB	2008-11-01 12:40:38 -07:00
time	nohz: disable tick_nohz_kick_tick() for now	2008-11-10 22:39:27 +01:00
trace	Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-trace into tracing/urgent	2008-11-11 09:16:20 +01:00
.gitignore
acct.c
audit_tree.c
audit.c
audit.h
auditfilter.c
auditsc.c
backtracetest.c
bounds.c
capability.c
cgroup_debug.c
cgroup_freezer.c	freezer_cg: disable writing freezer.state of root cgroup	2008-11-12 17:17:16 -08:00
cgroup.c	cgroups: fix invalid cgrp->dentry before cgroup has been completely removed	2008-11-06 15:41:19 -08:00
compat.c
configs.c
cpu.c	cpumask: introduce new API, without changing anything	2008-11-06 09:05:33 +01:00
cpuset.c
delayacct.c
dma-coherent.c
dma.c
exec_domain.c
exit.c	fix for account_group_exec_runtime(), make sure ->signal can't be freed under rq->lock	2008-11-11 08:01:43 +01:00
extable.c
fork.c
freezer.c
futex_compat.c
futex.c
hrtimer.c	hrtimer: clean up unused callback modes	2008-11-12 09:54:40 +01:00
itimer.c
kallsyms.c
Kconfig.freezer
Kconfig.hz
Kconfig.preempt
kexec.c
kfifo.c
kgdb.c
kmod.c
kprobes.c	kernel/kprobes.c: don't pad kretprobe_table_locks[] on uniprocessor builds	2008-11-12 17:17:17 -08:00
ksysfs.c
kthread.c
latencytop.c
lockdep_internals.h
lockdep_proc.c
lockdep.c
Makefile
marker.c
module.c
mutex-debug.c
mutex-debug.h
mutex.c
mutex.h
notifier.c
ns_cgroup.c
nsproxy.c
panic.c
params.c
pid_namespace.c
pid.c
pm_qos_params.c
posix-cpu-timers.c	sched, signals: fix the racy usage of ->signal in account_group_xxx/run_posix_cpu_timers	2008-11-17 16:49:35 +01:00
posix-timers.c
printk.c
profile.c
ptrace.c
rcuclassic.c
rcupdate.c
rcupreempt_trace.c
rcupreempt.c
rcutorture.c
relay.c
res_counter.c
resource.c
rtmutex_common.h
rtmutex-debug.c
rtmutex-debug.h
rtmutex-tester.c
rtmutex.c
rtmutex.h
rwsem.c
sched_clock.c
sched_cpupri.c
sched_cpupri.h
sched_debug.c	sched: fix kernel warning on /proc/sched_debug access	2008-11-16 08:07:15 +01:00
sched_fair.c	sched: release buddies on yield	2008-11-11 11:57:22 +01:00
sched_features.h	sched: backward looking buddy	2008-11-05 10:30:14 +01:00
sched_idletask.c
sched_rt.c
sched_stats.h	sched, signals: fix the racy usage of ->signal in account_group_xxx/run_posix_cpu_timers	2008-11-17 16:49:35 +01:00
sched.c	sched: fix init_idle()'s use of sched_clock()	2008-11-12 20:05:50 +01:00
seccomp.c
semaphore.c
signal.c
smp.c	generic-ipi: fix the smp_mb() placement	2008-11-06 08:41:56 +01:00
softirq.c	irq: call __irq_enter() before calling the tick_idle_check	2008-11-10 22:36:39 +01:00
softlockup.c
spinlock.c
srcu.c
stacktrace.c
stop_machine.c
sys_ni.c
sys.c
sysctl_check.c
sysctl.c
taskstats.c
test_kprobes.c
time.c
timeconst.pl
timer.c	Add round_jiffies_up and related routines	2008-11-06 08:42:48 +01:00
tracepoint.c
tsacct.c
uid16.c
user_namespace.c
user.c
utsname_sysctl.c
utsname.c
wait.c
workqueue.c	cpumask: introduce new API, without changing anything	2008-11-06 09:05:33 +01:00