From: Catalin Marinas Date: Sun, 27 Nov 2011 21:43:10 +0000 (+0000) Subject: sched/arch: Introduce the finish_arch_post_lock_switch() scheduler callback X-Git-Tag: v3.4-rc1~3^2~1^2 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=01f23e1630d944f7085cd8fd5793e31ea91c03d8;p=~emulex%2Finfiniband.git 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 Reviewed-by: Will Deacon Reviewed-by: Frank Rowand Tested-by: Will Deacon Tested-by: Marc Zyngier Acked-by: Peter Zijlstra Link: http://lkml.kernel.org/n/20120313110840.7b444deb6b1bb902c15f3cdf@canb.auug.org.au Signed-off-by: Ingo Molnar --- diff --git a/kernel/sched/core.c b/kernel/sched/core.c index b342f57879e..423f40f32a5 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 98c0c2623db..d72483d07c9 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)