diff options
author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-12-16 12:04:39 -0500 |
---|---|---|
committer | Ingo Molnar <mingo@elte.hu> | 2009-12-16 13:01:57 -0500 |
commit | 881232b70b195768a71cd74ff4b4e8ab9502997b (patch) | |
tree | aeafe0a28a7163af445e4f603ab1075c3608c375 /kernel/sched.c | |
parent | 5da9a0fb673a0ea0a093862f95f6b89b3390c31e (diff) |
sched: Move kthread_bind() back to kthread.c
Since kthread_bind() lost its dependencies on sched.c, move it
back where it came from.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <20091216170518.039524041@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/sched.c')
-rw-r--r-- | kernel/sched.c | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index cc40bdadee7a..297dc441ff96 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
@@ -2004,32 +2004,6 @@ static inline void check_class_changed(struct rq *rq, struct task_struct *p, | |||
2004 | p->sched_class->prio_changed(rq, p, oldprio, running); | 2004 | p->sched_class->prio_changed(rq, p, oldprio, running); |
2005 | } | 2005 | } |
2006 | 2006 | ||
2007 | /** | ||
2008 | * kthread_bind - bind a just-created kthread to a cpu. | ||
2009 | * @p: thread created by kthread_create(). | ||
2010 | * @cpu: cpu (might not be online, must be possible) for @k to run on. | ||
2011 | * | ||
2012 | * Description: This function is equivalent to set_cpus_allowed(), | ||
2013 | * except that @cpu doesn't need to be online, and the thread must be | ||
2014 | * stopped (i.e., just returned from kthread_create()). | ||
2015 | * | ||
2016 | * Function lives here instead of kthread.c because it messes with | ||
2017 | * scheduler internals which require locking. | ||
2018 | */ | ||
2019 | void kthread_bind(struct task_struct *p, unsigned int cpu) | ||
2020 | { | ||
2021 | /* Must have done schedule() in kthread() before we set_task_cpu */ | ||
2022 | if (!wait_task_inactive(p, TASK_UNINTERRUPTIBLE)) { | ||
2023 | WARN_ON(1); | ||
2024 | return; | ||
2025 | } | ||
2026 | |||
2027 | p->cpus_allowed = cpumask_of_cpu(cpu); | ||
2028 | p->rt.nr_cpus_allowed = 1; | ||
2029 | p->flags |= PF_THREAD_BOUND; | ||
2030 | } | ||
2031 | EXPORT_SYMBOL(kthread_bind); | ||
2032 | |||
2033 | #ifdef CONFIG_SMP | 2007 | #ifdef CONFIG_SMP |
2034 | /* | 2008 | /* |
2035 | * Is this task likely cache-hot: | 2009 | * Is this task likely cache-hot: |