Messages in this thread Patch in this message | | | From | Catalin Marinas <> | Subject | [PATCH v3 1/6] sched: Introduce the finish_arch_post_lock_switch() scheduler hook | Date | Fri, 20 Jan 2012 17:42:27 +0000 |
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This hook is called by the scheduler after rq->lock has been released and interrupts enabled. It will be used in subsequent patches on the ARM architecture.
Reviewed-by: Will Deacon <will.deacon@arm.com> Reviewed-by: Frank Rowand <frank.rowand@am.sony.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> --- kernel/sched/core.c | 1 + kernel/sched/sched.h | 3 +++ 2 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c index df00cb0..f1db6d8 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1937,6 +1937,7 @@ static void finish_task_switch(struct rq *rq, struct task_struct *prev) local_irq_enable(); #endif /* __ARCH_WANT_INTERRUPTS_ON_CTXSW */ finish_lock_switch(rq, prev); + finish_arch_post_lock_switch(); trace_sched_stat_sleeptime(current, rq->clock); fire_sched_in_preempt_notifiers(current); diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 98c0c26..d72483d 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -692,6 +692,9 @@ static inline int task_running(struct rq *rq, struct task_struct *p) #ifndef finish_arch_switch # define finish_arch_switch(prev) do { } while (0) #endif +#ifndef finish_arch_post_lock_switch +# define finish_arch_post_lock_switch() do { } while (0) +#endif #ifndef __ARCH_WANT_UNLOCKED_CTXSW static inline void prepare_lock_switch(struct rq *rq, struct task_struct *next)
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