Commit-ID: 7621d1f8bcb418e7a7ac583e89e38ec01b7ed182
Gitweb: http://git.kernel.org/tip/7621d1f8bcb418e7a7ac583e89e38ec01b7ed182
Author: Frederic Weisbecker <fweisbec@xxxxxxxxx>
AuthorDate: Sat, 13 Jul 2013 17:07:35 +0200
Committer: Frederic Weisbecker <fweisbec@xxxxxxxxx>
CommitDate: Wed, 14 Aug 2013 17:14:49 +0200
vtime: Remove a few unneeded generic vtime state checks
Some generic vtime APIs check if the vtime accounting
is enabled on the local CPU before doing their work.
Some of these are not needed because all their callers already
take care of that. Let's remove the checks on these.
Signed-off-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Li Zhong <zhong@xxxxxxxxxxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxx>
---
kernel/sched/cputime.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index bb6b29a..5f273b4 100644
--- a/kernel/sched/cputime.c
+++ b/kernel/sched/cputime.c
@@ -664,9 +664,6 @@ static void __vtime_account_system(struct task_struct *tsk)
void vtime_account_system(struct task_struct *tsk)
{
- if (!vtime_accounting_enabled())
- return;
-
write_seqlock(&tsk->vtime_seqlock);
__vtime_account_system(tsk);
write_sequnlock(&tsk->vtime_seqlock);
@@ -686,12 +683,7 @@ void vtime_account_irq_exit(struct task_struct *tsk)
void vtime_account_user(struct task_struct *tsk)
{
- cputime_t delta_cpu;
-
- if (!vtime_accounting_enabled())
- return;
-
- delta_cpu = get_vtime_delta(tsk);
+ cputime_t delta_cpu = get_vtime_delta(tsk);
write_seqlock(&tsk->vtime_seqlock);
tsk->vtime_snap_whence = VTIME_SYS;
@@ -701,9 +693,6 @@ void vtime_account_user(struct task_struct *tsk)
void vtime_user_enter(struct task_struct *tsk)
{
- if (!vtime_accounting_enabled())
- return;
-
write_seqlock(&tsk->vtime_seqlock);
tsk->vtime_snap_whence = VTIME_USER;
__vtime_account_system(tsk);
--
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