Xiaotian Feng 9ee349ad6d sched: Fix set_cpu_active() in cpu_down() ...

Sachin found cpu hotplug test failures on powerpc, which made
the kernel hang on his POWER box.

The problem is that we fail to re-activate a cpu when a
hot-unplug fails. Fix this by moving the de-activation into
_cpu_down after doing the initial checks.

Remove the synchronize_sched() calls and rely on those implied
by rebuilding the sched domains using the new mask.

Reported-by: Sachin Sant <sachinp@in.ibm.com>
Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Tested-by: Sachin Sant <sachinp@in.ibm.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <20091216170517.500272612@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2009-12-16 19:01:53 +01:00

..

gcov

microblaze: Enable GCOV_PROFILE_ALL

2009-09-21 14:29:21 +02:00

irq

genirq: Convert irq_desc.lock to raw_spinlock

2009-12-14 23:55:33 +01:00

power

vt: introduce and use vt_kmsg_redirect() function

2009-12-15 08:53:28 -08:00

time

clockevents: Convert to raw_spinlock

2009-12-14 23:55:34 +01:00

trace

locking: Convert __raw_spin* functions to arch_spin*

2009-12-14 23:55:32 +01:00

.gitignore

…

acct.c

bsdacct: fix uid/gid misreporting

2009-12-15 08:53:10 -08:00

async.c

…

audit_tree.c

…

audit_watch.c

Audit: reorganize struct audit_watch to save 8 bytes

2009-09-24 03:50:25 -04:00

audit.c

Audit: send signal info if selinux is disabled

2009-09-24 03:50:26 -04:00

audit.h

…

auditfilter.c

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auditsc.c

Audit: rearrange audit_context to save 16 bytes per struct

2009-09-24 03:50:26 -04:00

backtracetest.c

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bounds.c

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capability.c

remove CONFIG_SECURITY_FILE_CAPABILITIES compile option

2009-11-24 15:06:47 +11:00

cgroup_freezer.c

cgroups: let ss->can_attach and ss->attach do whole threadgroups at a time

2009-09-24 07:20:58 -07:00

cgroup.c

cgroup: fix strstrip() misuse

2009-10-29 07:39:25 -07:00

compat.c

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configs.c

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cpu.c

sched: Fix set_cpu_active() in cpu_down()

2009-12-16 19:01:53 +01:00

cpuset.c

sched: Fix balance vs hotplug race

2009-12-06 21:10:56 +01:00

cred-internals.h

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cred.c

creds_are_invalid() needs to be exported for use by modules:

2009-09-23 11:02:26 -07:00

delayacct.c

headers: taskstats_kern.h trim

2009-09-18 09:48:52 -07:00

dma.c

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exec_domain.c

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exit.c

sched: Convert pi_lock to raw_spinlock

2009-12-14 23:55:33 +01:00

extable.c

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fork.c

sched: Convert pi_lock to raw_spinlock

2009-12-14 23:55:33 +01:00

freezer.c

…

futex_compat.c

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futex.c

rtmutes: Convert rtmutex.lock to raw_spinlock

2009-12-14 23:55:33 +01:00

groups.c

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hrtimer.c

hrtimers: Convert to raw_spinlocks

2009-12-14 23:55:34 +01:00

hung_task.c

softlockup: Fix hung_task_check_count sysctl

2009-11-27 06:21:57 +01:00

hw_breakpoint.c

perf_event: Convert to raw_spinlock

2009-12-14 23:55:34 +01:00

itimer.c

itimers: Fix racy writes to cpu_itimer fields

2009-11-18 16:32:12 +01:00

kallsyms.c

hw-breakpoints: Fix broken hw-breakpoint sample module

2009-11-10 11:23:29 +01:00

Kconfig.freezer

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Kconfig.hz

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Kconfig.locks

mutex: Better control mutex adaptive spinning config

2009-12-03 11:50:11 +01:00

Kconfig.preempt

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kexec.c

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kfifo.c

kfifo: Use "const" definitions

2009-09-19 13:13:17 -07:00

kgdb.c

kgdb: Always process the whole breakpoint list on activate or deactivate

2009-12-11 08:43:20 -06:00

kmod.c

security: report the module name to security_module_request

2009-11-10 09:33:46 +11:00

kprobes.c

Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-05 15:30:21 -08:00

ksysfs.c

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kthread.c

sched: Fix kthread_bind() by moving the body of kthread_bind() to sched.c

2009-11-03 07:25:00 +01:00

latencytop.c

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lockdep_internals.h

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lockdep_proc.c

seq_file: constify seq_operations

2009-09-23 07:39:29 -07:00

lockdep_states.h

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lockdep.c

locking: Convert __raw_spin* functions to arch_spin*

2009-12-14 23:55:32 +01:00

Makefile

Merge branch 'kvm-updates/2.6.33' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2009-12-08 08:02:38 -08:00

module.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

2009-12-14 09:58:24 -08:00

mutex-debug.c

headers: remove sched.h from interrupt.h

2009-10-11 11:20:58 -07:00

mutex-debug.h

locking: Implement new raw_spinlock

2009-12-14 23:55:32 +01:00

mutex.c

mutex: Better control mutex adaptive spinning config

2009-12-03 11:50:11 +01:00

mutex.h

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notifier.c

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ns_cgroup.c

cgroups: let ss->can_attach and ss->attach do whole threadgroups at a time

2009-09-24 07:20:58 -07:00

nsproxy.c

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panic.c

Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-10-08 12:16:35 -07:00

params.c

tree-wide: convert open calls to remove spaces to skip_spaces() lib function

2009-12-15 08:53:32 -08:00

perf_event.c

perf_event: Convert to raw_spinlock

2009-12-14 23:55:34 +01:00

pid_namespace.c

pidns: deny CLONE_PARENT|CLONE_NEWPID combination

2009-09-24 07:21:04 -07:00

pid.c

mm: also use alloc_large_system_hash() for the PID hash table

2009-09-22 07:17:38 -07:00

pm_qos_params.c

pm_qos: clean up racy global "name" variable

2009-10-14 15:31:10 +02:00

posix-cpu-timers.c

posix-cpu-timers: optimize and document timer_create callback

2009-11-18 12:36:05 +01:00

posix-timers.c

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printk.c

Merge branch 'core-printk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-05 09:50:22 -08:00

profile.c

kernel/profile.c: Switch /proc/irq/prof_cpu_mask to seq_file

2009-09-20 20:15:40 +02:00

ptrace.c

ptrace: __ptrace_detach: do __wake_up_parent() if we reap the tracee

2009-09-24 07:20:59 -07:00

rcupdate.c

rcu: Re-arrange code to reduce #ifdef pain

2009-11-22 18:58:16 +01:00

rcutiny.c

rcu: Eliminate unneeded function wrapping

2009-11-22 18:58:16 +01:00

rcutorture.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

2009-12-14 09:58:24 -08:00

rcutree_plugin.h

rcu: Add expedited grace-period support for preemptible RCU

2009-12-03 11:35:25 +01:00

rcutree_trace.c

rcu: Add expedited grace-period support for preemptible RCU

2009-12-03 11:35:25 +01:00

rcutree.c

rcu: Add expedited grace-period support for preemptible RCU

2009-12-03 11:35:25 +01:00

rcutree.h

rcu: Add expedited grace-period support for preemptible RCU

2009-12-03 11:35:25 +01:00

relay.c

const: mark struct vm_struct_operations

2009-09-27 11:39:25 -07:00

res_counter.c

memcg: some modification to softlimit under hierarchical memory reclaim.

2009-10-01 16:11:13 -07:00

resource.c

resources: when allocate_resource() fails, leave resource untouched

2009-11-04 13:06:46 -08:00

rtmutex_common.h

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rtmutex-debug.c

sched: Convert pi_lock to raw_spinlock

2009-12-14 23:55:33 +01:00

rtmutex-debug.h

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rtmutex-tester.c

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rtmutex.c

rtmutes: Convert rtmutex.lock to raw_spinlock

2009-12-14 23:55:33 +01:00

rtmutex.h

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rwsem.c

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sched_clock.c

sched: Fix cpu_clock() in NMIs, on !CONFIG_HAVE_UNSTABLE_SCHED_CLOCK

2009-12-15 09:04:36 +01:00

sched_cpupri.c

sched: Convert cpupri lock to raw_spinlock

2009-12-14 23:55:33 +01:00

sched_cpupri.h

sched: Convert cpupri lock to raw_spinlock

2009-12-14 23:55:33 +01:00

sched_debug.c

sched: Convert rq->lock to raw_spinlock

2009-12-14 23:55:33 +01:00

sched_fair.c

sched: Convert rq->lock to raw_spinlock

2009-12-14 23:55:33 +01:00

sched_features.h

sched: Discard some old bits

2009-12-09 10:03:07 +01:00

sched_idletask.c

Merge branch 'linus' into sched/urgent

2009-12-16 18:33:49 +01:00

sched_rt.c

sched: Convert rt_runtime_lock to raw_spinlock

2009-12-14 23:55:33 +01:00

sched_stats.h

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sched.c

Merge branch 'linus' into sched/urgent

2009-12-16 18:33:49 +01:00

seccomp.c

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semaphore.c

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signal.c

Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-05 15:30:21 -08:00

slow-work-debugfs.c

SLOW_WORK: Move slow_work's proc file to debugfs

2009-12-01 08:20:31 -08:00

slow-work.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/sysctl-2.6

2009-12-08 07:38:50 -08:00

slow-work.h

SLOW_WORK: Move slow_work's proc file to debugfs

2009-12-01 08:20:31 -08:00

smp.c

Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-15 09:02:01 -08:00

softirq.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

2009-12-14 09:58:24 -08:00

softlockup.c

percpu: make percpu symbols under kernel/ and mm/ unique

2009-10-29 22:34:13 +09:00

spinlock.c

locking: Cleanup the name space completely

2009-12-14 23:55:33 +01:00

srcu.c

rcu: Add synchronize_srcu_expedited()

2009-10-26 09:40:30 +01:00

stacktrace.c

…

stop_machine.c

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sys_ni.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

2009-12-08 07:55:01 -08:00

sys.c

kernel/sys.c: fix "warning: do-while statement is not a compound statement" noise

2009-12-15 08:53:26 -08:00

sysctl_binary.c

sysctl binary: Reorder the tests to process wild card entries first.

2009-11-12 01:42:31 -08:00

sysctl_check.c

ipv4 05/05: add sysctl to accept packets with local source addresses

2009-12-03 12:14:38 -08:00

sysctl.c

'sysctl_max_map_count' should be non-negative

2009-12-15 08:53:23 -08:00

taskstats.c

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test_kprobes.c

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time.c

Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-12-08 19:27:08 -08:00

timeconst.pl

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timer.c

Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2009-09-23 09:46:15 -07:00

tracepoint.c

trivial: fix typo "to to" in multiple files

2009-09-21 15:14:55 +02:00

tsacct.c

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uid16.c

headers: utsname.h redux

2009-09-23 18:13:10 -07:00

up.c

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user_namespace.c

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user-return-notifier.c

core: Clean up user return notifers use of per_cpu

2009-12-02 10:22:59 +01:00

user.c

uids: Prevent tear down race

2009-11-02 16:02:39 +01:00

utsname_sysctl.c

sysctl kernel: Remove binary sysctl logic

2009-11-12 02:04:55 -08:00

utsname.c

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wait.c

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workqueue.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

2009-12-10 09:35:44 -08:00