Peter Zijlstra ab63a633cf sched: fix unconditional irq lock ...

Lockdep noticed that this lock can also be taken from hardirq context, and can
thus not unconditionally disable/enable irqs.

 WARNING: at kernel/lockdep.c:2033 trace_hardirqs_on()
  [show_trace_log_lvl+26/48] show_trace_log_lvl+0x1a/0x30
  [show_trace+18/32] show_trace+0x12/0x20
  [dump_stack+22/32] dump_stack+0x16/0x20
  [trace_hardirqs_on+405/416] trace_hardirqs_on+0x195/0x1a0
  [_read_unlock_irq+34/48] _read_unlock_irq+0x22/0x30
  [sched_debug_show+2615/4224] sched_debug_show+0xa37/0x1080
  [show_state_filter+326/368] show_state_filter+0x146/0x170
  [sysrq_handle_showstate+10/16] sysrq_handle_showstate+0xa/0x10
  [__handle_sysrq+123/288] __handle_sysrq+0x7b/0x120
  [handle_sysrq+40/64] handle_sysrq+0x28/0x40
  [kbd_event+1045/1680] kbd_event+0x415/0x690
  [input_pass_event+206/208] input_pass_event+0xce/0xd0
  [input_handle_event+170/928] input_handle_event+0xaa/0x3a0
  [input_event+95/112] input_event+0x5f/0x70
  [atkbd_interrupt+434/1456] atkbd_interrupt+0x1b2/0x5b0
  [serio_interrupt+59/128] serio_interrupt+0x3b/0x80
  [i8042_interrupt+263/576] i8042_interrupt+0x107/0x240
  [handle_IRQ_event+40/96] handle_IRQ_event+0x28/0x60
  [handle_edge_irq+175/320] handle_edge_irq+0xaf/0x140
  [do_IRQ+64/128] do_IRQ+0x40/0x80
  [common_interrupt+46/52] common_interrupt+0x2e/0x34

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2007-10-25 14:02:45 +02:00

..

irq

Fix synchronize_irq races with IRQ handler

2007-10-23 09:01:31 -07:00

power

trivial copy_data_pages() tidy up

2007-10-20 02:26:04 +02:00

time

Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

2007-10-19 13:12:46 -07:00

.gitignore

gitignore: ignore more generated files

2006-01-03 11:35:26 +01:00

acct.c

whitespace fixes: process accounting

2007-10-18 14:37:24 -07:00

audit_tree.c

[PATCH] audit: watching subtrees

2007-10-21 02:37:45 -04:00

audit.c

[PATCH] audit: watching subtrees

2007-10-21 02:37:45 -04:00

audit.h

[PATCH] audit: watching subtrees

2007-10-21 02:37:45 -04:00

auditfilter.c

[PATCH] audit: watching subtrees

2007-10-21 02:37:45 -04:00

auditsc.c

auditsc: fix kernel-doc param warnings

2007-10-22 19:40:02 -07:00

capability.c

Uninline find_pid etc set of functions

2007-10-19 11:53:41 -07:00

cgroup_debug.c

Task Control Groups: simple task cgroup debug info subsystem

2007-10-19 11:53:36 -07:00

cgroup.c

cgroup: kill unused variable

2007-10-23 21:28:39 -04:00

compat.c

Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-hrt

2007-10-18 15:12:41 -07:00

configs.c

use simple_read_from_buffer in kernel/

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

cpu_acct.c

Task Control Groups: example CPU accounting subsystem

2007-10-19 11:53:36 -07:00

cpu.c

CPU HOTPLUG: avoid hotadd when proper possible_map isn't specified

2007-10-19 11:53:44 -07:00

cpuset.c

hotplug cpu: migrate a task within its cpuset

2007-10-19 11:53:44 -07:00

delayacct.c

Add scaled time to taskstats based process accounting

2007-10-18 14:37:28 -07:00

dma.c

whitespace fixes: DMA channel allocator

2007-10-18 14:37:24 -07:00

exec_domain.c

whitespace fixes: execution domains

2007-10-18 14:37:26 -07:00

exit.c

Uninline fork.c/exit.c

2007-10-19 11:53:56 -07:00

extable.c

[PATCH] symbol_put_addr() locks kernel

2006-05-15 11:20:55 -07:00

fork.c

Uninline fork.c/exit.c

2007-10-19 11:53:56 -07:00

futex_compat.c

Uninline find_task_by_xxx set of functions

2007-10-19 11:53:40 -07:00

futex.c

Uninline find_task_by_xxx set of functions

2007-10-19 11:53:40 -07:00

hrtimer.c

fix comment: unlock_hrtimer_base is the counterpart of lock_hrtimer_base

2007-10-20 01:56:53 +02:00

itimer.c

whitespace fixes: interval timers

2007-10-18 14:37:26 -07:00

kallsyms.c

kallsyms: make KSYM_NAME_LEN include space for trailing '\0'

2007-07-17 10:23:03 -07:00

Kconfig.hz

[PATCH] HZ: 300Hz support

2006-12-07 08:39:36 -08:00

Kconfig.instrumentation

Linux Kernel Markers

2007-10-19 11:53:54 -07:00

Kconfig.preempt

Move PREEMPT_NOTIFIERS into an always-included Kconfig

2007-10-17 08:42:55 -07:00

kexec.c

Extended crashkernel command line

2007-10-19 11:53:49 -07:00

kfifo.c

is_power_of_2: kernel/kfifo.c

2007-07-16 09:05:50 -07:00

kmod.c

Restore call_usermodehelper_pipe() behaviour

2007-09-11 17:21:20 -07:00

kprobes.c

kprobes: support kretprobe blacklist

2007-10-16 09:43:10 -07:00

ksysfs.c

add-vmcore: cleanup the coding style according to Andrew's comments

2007-10-17 08:42:54 -07:00

kthread.c

kthread: silence bogus section mismatch warning

2007-07-31 15:39:42 -07:00

latency.c

[PATCH] severing module.h->sched.h

2006-12-04 02:00:22 -05:00

lockdep_internals.h

[PATCH] lockdep: more chains

2006-12-07 08:39:43 -08:00

lockdep_proc.c

lockdep: Avoid /proc/lockdep & lock_stat infinite output

2007-10-11 22:11:11 +02:00

lockdep.c

Use helpers to obtain task pid in printks

2007-10-19 11:53:43 -07:00

Makefile

[PATCH] audit: watching subtrees

2007-10-21 02:37:45 -04:00

marker.c

Linux Kernel Markers

2007-10-19 11:53:54 -07:00

module.c

Linux Kernel Markers

2007-10-19 11:53:54 -07:00

mutex-debug.c

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

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

mutex-debug.h

[PATCH] lockdep: better lock debugging

2006-07-03 15:27:01 -07:00

mutex.c

lockdep: fixup mutex annotations

2007-10-11 22:11:12 +02:00

mutex.h

[PATCH] lockdep: prove mutex locking correctness

2006-07-03 15:27:04 -07:00

notifier.c

Add kernel/notifier.c

2007-10-19 11:53:34 -07:00

ns_cgroup.c

cgroups: implement namespace tracking subsystem

2007-10-19 11:53:37 -07:00

nsproxy.c

pid namespaces: allow cloning of new namespace

2007-10-19 11:53:39 -07:00

panic.c

trivial comment wording/typo fix regarding taint flags

2007-10-20 00:30:06 +02:00

params.c

param_sysfs_builtin memchr argument fix

2007-10-18 14:37:21 -07:00

pid.c

Uninline the task_xid_nr_ns() calls

2007-10-19 11:53:41 -07:00

posix-cpu-timers.c

Isolate some explicit usage of task->tgid

2007-10-19 11:53:40 -07:00

posix-timers.c

Isolate some explicit usage of task->tgid

2007-10-19 11:53:40 -07:00

printk.c

serial: turn serial console suspend a boot rather than compile time option

2007-10-18 14:37:19 -07:00

profile.c

make kernel/profile.c:time_hook static

2007-10-17 08:42:55 -07:00

ptrace.c

Isolate some explicit usage of task->tgid

2007-10-19 11:53:40 -07:00

rcupdate.c

Clean up duplicate includes in kernel/

2007-10-17 08:42:48 -07:00

rcutorture.c

Make rcutorture RNG use temporal entropy

2007-10-17 08:42:53 -07:00

relay.c

whitespace fixes: relayfs

2007-10-18 14:37:24 -07:00

resource.c

memory unplug: memory hotplug cleanup

2007-10-16 09:43:01 -07:00

rtmutex_common.h

FUTEX: Tidy up the code

2007-07-16 09:05:49 -07:00

rtmutex-debug.c

Use helpers to obtain task pid in printks

2007-10-19 11:53:43 -07:00

rtmutex-debug.h

[PATCH] lockdep: better lock debugging

2006-07-03 15:27:01 -07:00

rtmutex-tester.c

Freezer: make kernel threads nonfreezable by default

2007-07-17 10:23:02 -07:00

rtmutex.c

Use helpers to obtain task pid in printks

2007-10-19 11:53:43 -07:00

rtmutex.h

[PATCH] lockdep: better lock debugging

2006-07-03 15:27:01 -07:00

rwsem.c

lockstat: hook into spinlock_t, rwlock_t, rwsem and mutex

2007-07-19 10:04:49 -07:00

sched_debug.c

sched: fix unconditional irq lock

2007-10-25 14:02:45 +02:00

sched_fair.c

sched: fix new task startup crash

2007-10-17 16:55:11 +02:00

sched_idletask.c

sched: mark scheduling classes as const

2007-10-15 17:00:12 +02:00

sched_rt.c

sched: tidy up SCHED_RR

2007-10-15 17:00:13 +02:00

sched_stats.h

sched: reduce schedstat variable overhead a bit

2007-10-18 21:32:56 +02:00

sched.c

sched: don't clear PF_VCPU in scheduler

2007-10-22 12:03:29 +02:00

seccomp.c

make seccomp zerocost in schedule

2007-07-16 09:05:50 -07:00

signal.c

Use helpers to obtain task pid in printks

2007-10-19 11:53:43 -07:00

softirq.c

[KERNEL]: Unexport raise_softirq_irqoff

2007-10-10 16:49:18 -07:00

softlockup.c

Use helpers to obtain task pid in printks

2007-10-19 11:53:43 -07:00

spinlock.c

lockstat: hook into spinlock_t, rwlock_t, rwsem and mutex

2007-07-19 10:04:49 -07:00

srcu.c

[PATCH] SRCU: report out-of-memory errors

2006-10-04 07:55:30 -07:00

stacktrace.c

[PATCH] lockdep: stacktrace subsystem, core

2006-07-03 15:27:02 -07:00

stop_machine.c

Fix stop_machine_run problem with naughty real time process

2007-07-16 09:05:41 -07:00

sys_ni.c

kernel/sys_ni.c: add dummy sys_ni_syscall() prototype

2007-10-17 08:42:55 -07:00

sys.c

Isolate the explicit usage of signal->pgrp

2007-10-19 11:53:43 -07:00

sysctl_check.c

Fix appletalk sysctl entry name

2007-10-22 19:15:59 -07:00

sysctl.c

pid namespaces: changes to show virtual ids to user

2007-10-19 11:53:40 -07:00

taskstats.c

Fix misspellings of "system", "controller", "interrupt" and "necessary".

2007-10-19 23:10:43 +02:00

time.c

whitespace fixes: time syscalls

2007-10-18 14:37:24 -07:00

timer.c

pid namespaces: changes to show virtual ids to user

2007-10-19 11:53:40 -07:00

tsacct.c

Add scaled time to taskstats based process accounting

2007-10-18 14:37:28 -07:00

uid16.c

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

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

user_namespace.c

Fix user namespace exiting OOPs

2007-09-19 11:24:18 -07:00

user.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched

2007-10-17 09:11:18 -07:00

utsname_sysctl.c

remove CONFIG_UTS_NS and CONFIG_IPC_NS

2007-07-16 09:05:47 -07:00

utsname.c

Fix UTS corruption during clone(CLONE_NEWUTS)

2007-09-19 11:24:17 -07:00

wait.c

Fix occurrences of "the the "

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

workqueue.c

Use helpers to obtain task pid in printks

2007-10-19 11:53:43 -07:00