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authorFrederic Weisbecker <fweisbec@gmail.com>2013-07-13 17:07:35 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2013-08-14 17:14:49 +0200
commit7621d1f8bcb418e7a7ac583e89e38ec01b7ed182 (patch)
tree9fbbb9e64b2e51fcdcc4f3d28a79d57c870390c6 /kernel/sched
parent1b6a259aa5ab16d8b215bfc19ff7c9ffa8858f10 (diff)
downloadblackbird-op-linux-7621d1f8bcb418e7a7ac583e89e38ec01b7ed182.tar.gz
blackbird-op-linux-7621d1f8bcb418e7a7ac583e89e38ec01b7ed182.zip
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@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Li Zhong <zhong@linux.vnet.ibm.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Kevin Hilman <khilman@linaro.org>
Diffstat (limited to 'kernel/sched')
-rw-r--r--kernel/sched/cputime.c13
1 files changed, 1 insertions, 12 deletions
diff --git a/kernel/sched/cputime.c b/kernel/sched/cputime.c
index bb6b29a3067c..5f273b477764 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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