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Oleg Nesterov d2da272a4e migration_call(CPU_DEAD): use spin_lock_irq() instead of task_rq_lock() 
Change migration_call(CPU_DEAD) to use direct spin_lock_irq() instead of
task_rq_lock(rq->idle), rq->idle can't change its task_rq().

This makes the code a bit more symmetrical with migrate_dead_tasks()'s path
which uses spin_lock_irq/spin_unlock_irq.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Cliff Wickman <cpw@sgi.com>
Cc: Gautham R Shenoy <ego@in.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Srivatsa Vaddagiri <vatsa@in.ibm.com>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-17 08:43:03 -07:00
..
irq Compile handle_percpu_irq even for uniprocessor kernels 2007-10-17 08:43:00 -07:00
power hibernation doesn't even build on frv - tons of helpers are missing 2007-09-26 09:22:04 -07:00
time Use num_possible_cpus() instead of NR_CPUS for timer distribution 2007-10-17 08:42:53 -07:00
.gitignore
acct.c
audit.c [NET]: make netlink user -> kernel interface synchronious 2007-10-10 21:15:29 -07:00
audit.h
auditfilter.c
auditsc.c Clean up duplicate includes in kernel/ 2007-10-17 08:42:48 -07:00
capability.c
compat.c
configs.c
cpu.c PM: Fix dependencies of CONFIG_SUSPEND and CONFIG_HIBERNATION 2007-08-31 01:42:22 -07:00
cpuset.c oom: compare cpuset mems_allowed instead of exclusive ancestors 2007-10-17 08:42:46 -07:00
delayacct.c sched: clean up schedstats, cnt -> count 2007-10-15 17:00:12 +02:00
die_notifier.c
dma.c
exec_domain.c
exit.c Shrink task_struct if CONFIG_FUTEX=n 2007-10-17 08:42:55 -07:00
extable.c
fork.c Shrink task_struct if CONFIG_FUTEX=n 2007-10-17 08:42:55 -07:00
futex_compat.c robust futex thread exit race 2007-10-01 07:52:23 -07:00
futex.c change inotifyfs magic as the same magic is used for futexfs 2007-10-17 08:43:00 -07:00
hrtimer.c [KTIME]: Introduce ktime_sub_ns and ktime_sub_us 2007-10-10 16:48:12 -07:00
itimer.c
kallsyms.c
Kconfig.hz
Kconfig.preempt Move PREEMPT_NOTIFIERS into an always-included Kconfig 2007-10-17 08:42:55 -07:00
kexec.c add-vmcore: add a prefix "VMCOREINFO_" to the vmcoreinfo macros 2007-10-17 08:42:54 -07:00
kfifo.c
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
lockdep_internals.h
lockdep_proc.c lockdep: Avoid /proc/lockdep & lock_stat infinite output 2007-10-11 22:11:11 +02:00
lockdep.c lockdep: syscall exit check 2007-10-11 22:11:12 +02:00
Makefile
module.c module: return error when mod_sysfs_init() failed 2007-10-17 08:43:01 -07:00
mutex-debug.c
mutex-debug.h
mutex.c lockdep: fixup mutex annotations 2007-10-11 22:11:12 +02:00
mutex.h
nsproxy.c Use KMEM_CACHE macro to create the nsproxy cache 2007-10-17 08:42:59 -07:00
panic.c
params.c constify string/array kparam tracking structures 2007-10-17 08:42:56 -07:00
pid.c
posix-cpu-timers.c
posix-timers.c SLAB_PANIC more (proc, posix-timers, shmem) 2007-10-17 08:42:47 -07:00
printk.c printk: add interfaces for external access to the log buffer 2007-10-17 08:42:50 -07:00
profile.c make kernel/profile.c:time_hook static 2007-10-17 08:42:55 -07:00
ptrace.c m32r: convert to generic sys_ptrace 2007-10-16 09:43:04 -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 Fix a use after free bug in kernel->userspace relay file support 2007-07-31 15:39:42 -07:00
resource.c memory unplug: memory hotplug cleanup 2007-10-16 09:43:01 -07:00
rtmutex_common.h
rtmutex-debug.c kernel/rtmutex-debug.c: cleanups 2007-10-17 08:42:50 -07:00
rtmutex-debug.h
rtmutex-tester.c
rtmutex.c
rtmutex.h
rwsem.c
sched_debug.c Make scheduler debug file operations const 2007-10-15 17:00:19 +02:00
sched_fair.c sched: reintroduce cache-hot affinity 2007-10-15 17:00:18 +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: clean up schedstats, cnt -> count 2007-10-15 17:00:12 +02:00
sched.c migration_call(CPU_DEAD): use spin_lock_irq() instead of task_rq_lock() 2007-10-17 08:43:03 -07:00
seccomp.c
signal.c do_sigaction: don't worry about signal_pending() 2007-10-17 08:42:54 -07:00
softirq.c [KERNEL]: Unexport raise_softirq_irqoff 2007-10-10 16:49:18 -07:00
softlockup.c softlockup: add a /proc tuning parameter 2007-10-17 08:42:47 -07:00
spinlock.c
srcu.c
stacktrace.c
stop_machine.c
sys_ni.c kernel/sys_ni.c: add dummy sys_ni_syscall() prototype 2007-10-17 08:42:55 -07:00
sys.c Fix SMP poweroff hangs 2007-10-01 07:52:23 -07:00
sysctl.c softlockup: add a /proc tuning parameter 2007-10-17 08:42:47 -07:00
taskstats.c Clean up duplicate includes in kernel/ 2007-10-17 08:42:48 -07:00
time.c Clean up duplicate includes in kernel/ 2007-10-17 08:42:48 -07:00
timer.c
tsacct.c
uid16.c
user_namespace.c Fix user namespace exiting OOPs 2007-09-19 11:24:18 -07:00
user.c user.c: #ifdef ->mq_bytes 2007-10-17 08:42:59 -07:00
utsname_sysctl.c
utsname.c Fix UTS corruption during clone(CLONE_NEWUTS) 2007-09-19 11:24:17 -07:00
wait.c
workqueue.c fix bogus hotplug cpu warning 2007-08-27 10:27:48 -07:00