Thomas Gleixner 1a539a8728 rt-mutex: fix chain walk early wakeup bug ...

Alexey Kuznetsov found some problems in the pi-futex code.

One of the root causes is:

When a wakeup happens, we do not to stop the chain walk so we follow a not
longer relevant locking chain.

Drop out when this happens.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: Ulrich Drepper <drepper@redhat.com>
Cc: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2007-06-08 17:23:34 -07:00

..

irq

Fix crash with irqpoll due to the IRQF_IRQPOLL flag testing

2007-05-24 08:37:14 -07:00

power

power: Fix sizeof(PAGE_SIZE) typo

2007-05-23 20:14:14 -07:00

time

timer stats: speedups

2007-06-01 08:18:30 -07:00

.gitignore

…

acct.c

…

audit.c

audit: add spaces on either side of case "..." operator.

2007-05-08 11:15:09 -07:00

audit.h

[PATCH] audit signal recipients

2007-05-11 05:38:25 -04:00

auditfilter.c

audit_match_signal() and friends are used only if CONFIG_AUDITSYSCALL is set

2007-05-15 18:56:37 -07:00

auditsc.c

[PATCH] Abnormal End of Processes

2007-05-11 05:38:26 -04:00

capability.c

[PATCH] pid: replace do/while_each_task_pid with do/while_each_pid_task

2007-02-12 09:48:32 -08:00

compat.c

signal/timer/event: timerfd compat code

2007-05-11 08:29:36 -07:00

configs.c

use simple_read_from_buffer in kernel/

2007-05-09 12:30:49 -07:00

cpu.c

microcode: use suspend-related CPU hotplug notifications

2007-05-09 12:30:56 -07:00

cpuset.c

use simple_read_from_buffer in kernel/

2007-05-09 12:30:49 -07:00

delayacct.c

KMEM_CACHE(): simplify slab cache creation

2007-05-07 12:12:55 -07:00

die_notifier.c

move die notifier handling to common code

2007-05-08 11:15:04 -07:00

dma.c

…

exec_domain.c

…

exit.c

recalc_sigpending_tsk fixes

2007-05-23 20:14:12 -07:00

extable.c

…

fork.c

freezer: fix vfork problem

2007-05-23 20:14:11 -07:00

futex_compat.c

fix compat futex code for private futexes

2007-06-01 08:18:28 -07:00

futex.c

FUTEX: new PRIVATE futexes

2007-05-09 12:30:55 -07:00

hrtimer.c

Add suspend-related notifications for CPU hotplug

2007-05-09 12:30:56 -07:00

itimer.c

The scheduled -EINVAL for invalid timevals in setitimer

2007-05-08 11:15:13 -07:00

kallsyms.c

fix possible null ptr deref in kallsyms_lookup

2007-05-30 10:51:38 -07:00

Kconfig.hz

…

Kconfig.preempt

Fix trivial typos in Kconfig* files

2007-05-09 07:12:20 +02:00

kexec.c

kdump/kexec: calculate note size at compile time

2007-05-08 11:15:07 -07:00

kfifo.c

[PATCH] Numerous fixes to kernel-doc info in source files.

2007-02-11 10:51:32 -08:00

kmod.c

wait_for_helper: remove unneeded do_sigaction()

2007-05-09 12:30:53 -07:00

kprobes.c

Kprobes: The ON/OFF knob thru debugfs

2007-05-08 11:15:19 -07:00

ksysfs.c

remove "struct subsystem" as it is no longer needed

2007-05-02 18:57:59 -07:00

kthread.c

freezer: fix kthread_create vs freezer theoretical race

2007-05-23 20:14:11 -07:00

latency.c

…

lockdep_internals.h

…

lockdep_proc.c

[PATCH] remove many unneeded #includes of sched.h

2007-02-14 08:09:54 -08:00

lockdep.c

lockdep: removed unused ip argument in mark_lock & mark_held_locks

2007-05-08 11:15:13 -07:00

Makefile

move die notifier handling to common code

2007-05-08 11:15:04 -07:00

module.c

Fix minor typoes in kernel/module.c

2007-05-09 07:26:28 +02:00

mutex-debug.c

[PATCH] remove many unneeded #includes of sched.h

2007-02-14 08:09:54 -08:00

mutex-debug.h

…

mutex.c

wrap access to thread_info

2007-05-09 12:30:56 -07:00

mutex.h

…

nsproxy.c

Merge sys_clone()/sys_unshare() nsproxy and namespace handling

2007-05-08 11:15:00 -07:00

panic.c

[PATCH] Add TAINT_USER and ability to set taint flags from userspace

2007-02-11 10:51:29 -08:00

params.c

kernel/params.c: fix lying comment for param_array()

2007-05-08 11:15:08 -07:00

pid.c

statically initialize struct pid for swapper

2007-05-11 08:29:35 -07:00

posix-cpu-timers.c

Introduce a handy list_first_entry macro

2007-05-08 11:15:11 -07:00

posix-timers.c

header cleaning: don't include smp_lock.h when not used

2007-05-08 11:15:07 -07:00

printk.c

header cleaning: don't include smp_lock.h when not used

2007-05-08 11:15:07 -07:00

profile.c

Detach sched.h from mm.h

2007-05-21 09:18:19 -07:00

ptrace.c

[PATCH] auditing ptrace

2007-05-11 05:38:25 -04:00

rcupdate.c

Add suspend-related notifications for CPU hotplug

2007-05-09 12:30:56 -07:00

rcutorture.c

rcutorture: Remove redundant assignment to cur_ops in for loop

2007-05-08 11:15:17 -07:00

relay.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial

2007-05-09 12:54:17 -07:00

resource.c

libata/IDE: remove combined mode quirk

2007-04-28 14:15:59 -04:00

rtmutex_common.h

futex_requeue_pi optimization

2007-05-09 12:30:55 -07:00

rtmutex-debug.c

…

rtmutex-debug.h

…

rtmutex-tester.c

…

rtmutex.c

rt-mutex: fix chain walk early wakeup bug

2007-06-08 17:23:34 -07:00

rtmutex.h

…

rwsem.c

Lockdep treats down_write_trylock like regular down_write

2007-05-08 11:15:09 -07:00

sched.c

Prevent going idle with softirq pending

2007-05-23 20:14:15 -07:00

seccomp.c

…

signal.c

Restrict clearing TIF_SIGPENDING

2007-06-07 08:52:15 -07:00

softirq.c

Add suspend-related notifications for CPU hotplug

2007-05-09 12:30:56 -07:00

softlockup.c

Add suspend-related notifications for CPU hotplug

2007-05-09 12:30:56 -07:00

spinlock.c

…

srcu.c

…

stacktrace.c

…

stop_machine.c

stop_machine() now uses hard_irq_disable

2007-05-11 08:29:34 -07:00

sys_ni.c

compat signalfd and timerfd are cond syscalls

2007-05-12 10:55:40 -07:00

sys.c

attach_pid() with struct pid parameter

2007-05-11 08:29:35 -07:00

sysctl.c

make sysctl/kernel/core_pattern and fs/exec.c agree on maximum core filename size

2007-05-17 05:23:05 -07:00

taskstats.c

KMEM_CACHE(): simplify slab cache creation

2007-05-07 12:12:55 -07:00

time.c

header cleaning: don't include smp_lock.h when not used

2007-05-08 11:15:07 -07:00

timer.c

NOHZ: prevent multiplication overflow - stop timer for huge timeouts

2007-05-29 18:11:10 -07:00

tsacct.c

[PATCH] time: x86_64: split x86_64/kernel/time.c up

2007-02-16 08:14:00 -08:00

uid16.c

header cleaning: don't include smp_lock.h when not used

2007-05-08 11:15:07 -07:00

user.c

…

utsname_sysctl.c

[PATCH] sysctl: remove insert_at_head from register_sysctl

2007-02-14 08:09:59 -08:00

utsname.c

Merge sys_clone()/sys_unshare() nsproxy and namespace handling

2007-05-08 11:15:00 -07:00

wait.c

Fix occurrences of "the the "

2007-05-09 08:57:56 +02:00

workqueue.c

simplify cleanup_workqueue_thread()

2007-05-23 20:14:13 -07:00