Messages in this thread Patch in this message | | | Date | Fri, 2 Apr 2010 19:10:52 GMT | From | tip-bot for Oleg Nesterov <> | Subject | [tip:sched/urgent] sched: set_cpus_allowed_ptr(): Don't use rq->migration_thread after unlock |
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Commit-ID: 47a70985e5c093ae03d8ccf633c70a93761d86f2 Gitweb: http://git.kernel.org/tip/47a70985e5c093ae03d8ccf633c70a93761d86f2 Author: Oleg Nesterov <oleg@redhat.com> AuthorDate: Tue, 30 Mar 2010 18:58:29 +0200 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Fri, 2 Apr 2010 20:11:05 +0200
sched: set_cpus_allowed_ptr(): Don't use rq->migration_thread after unlock
Trivial typo fix. rq->migration_thread can be NULL after task_rq_unlock(), this is why we have "mt" which should be used instead.
Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20100330165829.GA18284@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> --- kernel/sched.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/sched.c b/kernel/sched.c index 49d2fa7..528a105 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -5387,7 +5387,7 @@ int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask) get_task_struct(mt); task_rq_unlock(rq, &flags); - wake_up_process(rq->migration_thread); + wake_up_process(mt); put_task_struct(mt); wait_for_completion(&req.done); tlb_migrate_finish(p->mm);
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