Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c1b3da3ecdbf9e9f377474c11ba988b8821f86c8
Commit: c1b3da3ecdbf9e9f377474c11ba988b8821f86c8
Parent: 2ab81159fa426bd09c21faf7c25fba13bc9d2902
Author: Ingo Molnar <[EMAIL PROTECTED]>
AuthorDate: Thu Aug 9 11:16:47 2007 +0200
Committer: Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Thu Aug 9 11:16:47 2007 +0200
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 <[EMAIL PROTECTED]>
---
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 8932110..d673451 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 969f08c..bd20fad 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:
-
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