From c1b3da3ecdbf9e9f377474c11ba988b8821f86c8 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Thu, 9 Aug 2007 11:16:47 +0200 Subject: [PATCH] sched: eliminate __rq_clock() use eliminate __rq_clock() use by changing it to: __update_rq_clock(rq) now = rq->clock; identity transformation - no change in behavior. Signed-off-by: Ingo Molnar --- kernel/sched.c | 8 ++++++-- kernel/sched_fair.c | 9 +++++++-- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/kernel/sched.c b/kernel/sched.c index 8932110547..d673451751 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -1967,9 +1967,12 @@ static void update_cpu_load(struct rq *this_rq) unsigned long total_load = this_rq->ls.load.weight; unsigned long this_load = total_load; struct load_stat *ls = &this_rq->ls; - u64 now = __rq_clock(this_rq); + u64 now; int i, scale; + __update_rq_clock(this_rq); + now = this_rq->clock; + this_rq->nr_load_updates++; if (unlikely(!(sysctl_sched_features & SCHED_FEAT_PRECISE_CPU_LOAD))) goto do_avg; @@ -3458,7 +3461,8 @@ need_resched_nonpreemptible: spin_lock_irq(&rq->lock); clear_tsk_need_resched(prev); - now = __rq_clock(rq); + __update_rq_clock(rq); + now = rq->clock; if (prev->state && !(preempt_count() & PREEMPT_ACTIVE)) { if (unlikely((prev->state & TASK_INTERRUPTIBLE) && diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c index 969f08c8bd..bd20fad3de 100644 --- a/kernel/sched_fair.c +++ b/kernel/sched_fair.c @@ -672,7 +672,10 @@ static void entity_tick(struct cfs_rq *cfs_rq, struct sched_entity *curr) { struct rq *rq = rq_of(cfs_rq); struct sched_entity *next; - u64 now = __rq_clock(rq); + u64 now; + + __update_rq_clock(rq); + now = rq->clock; /* * Dequeue and enqueue the task to update its @@ -824,8 +827,10 @@ dequeue_task_fair(struct rq *rq, struct task_struct *p, int sleep, u64 now) static void yield_task_fair(struct rq *rq, struct task_struct *p) { struct cfs_rq *cfs_rq = task_cfs_rq(p); - u64 now = __rq_clock(rq); + u64 now; + __update_rq_clock(rq); + now = rq->clock; /* * Dequeue and enqueue the task to update its * position within the tree: -- 2.39.5