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| author | Catalin Marinas <catalin.marinas@arm.com> | 2011-11-27 22:43:10 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2012-03-13 10:17:45 +0100 |
| commit | 01f23e1630d944f7085cd8fd5793e31ea91c03d8 (patch) | |
| tree | f21651af720e87721c3829ff69a41c5a9d8cb31d /kernel | |
| parent | Linux 3.3-rc7 (diff) | |
| download | linux-01f23e1630d944f7085cd8fd5793e31ea91c03d8.tar.xz linux-01f23e1630d944f7085cd8fd5793e31ea91c03d8.zip | |
sched/arch: Introduce the finish_arch_post_lock_switch() scheduler callback
This callback 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.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Reviewed-by: Frank Rowand <frank.rowand@am.sony.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Tested-by: Marc Zyngier <Marc.Zyngier@arm.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/20120313110840.7b444deb6b1bb902c15f3cdf@canb.auug.org.au
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/sched/core.c | 1 | ||||
| -rw-r--r-- | 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 b342f57879e6..423f40f32a59 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1932,6 +1932,7 @@ 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(); fire_sched_in_preempt_notifiers(current); if (mm) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 98c0c2623db8..d72483d07c9f 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) |