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author | Frederic Weisbecker <fweisbec@gmail.com> | 2013-07-13 17:07:35 +0200 |
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committer | Frederic Weisbecker <fweisbec@gmail.com> | 2013-08-14 17:14:49 +0200 |
commit | 7621d1f8bcb418e7a7ac583e89e38ec01b7ed182 (patch) | |
tree | 9fbbb9e64b2e51fcdcc4f3d28a79d57c870390c6 /kernel | |
parent | 1b6a259aa5ab16d8b215bfc19ff7c9ffa8858f10 (diff) | |
download | linux-7621d1f8bcb418e7a7ac583e89e38ec01b7ed182.tar.gz linux-7621d1f8bcb418e7a7ac583e89e38ec01b7ed182.tar.bz2 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')
-rw-r--r-- | kernel/sched/cputime.c | 13 |
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); |