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authorPeter Zijlstra <peterz@infradead.org>2013-12-11 12:21:17 +0100
committerIngo Molnar <mingo@kernel.org>2014-01-13 17:39:18 +0100
commit130816ce4d5f69167324f7272e70aa3d641677c6 (patch)
treed857856fc39e7889a7ccc77c4f2396c383b1532a
parent37089834528be3ef8cbf927e47c753b3e272a856 (diff)
sched, thermal: Clean up preempt_enable_no_resched() abuse
The only valid use of preempt_enable_no_resched() is if the very next line is schedule() or if we know preemption cannot actually be enabled by that statement due to known more preempt_count 'refs'. Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: rjw@rjwysocki.net Cc: Eliezer Tamir <eliezer.tamir@linux.intel.com> Cc: rui.zhang@intel.com Cc: jacob.jun.pan@linux.intel.com Cc: Mike Galbraith <bitbucket@online.de> Cc: hpa@zytor.com Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: lenb@kernel.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> Link: http://lkml.kernel.org/n/tip-zcfvacdlvlr63qmnn5i58vuj@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--drivers/thermal/intel_powerclamp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/thermal/intel_powerclamp.c b/drivers/thermal/intel_powerclamp.c
index e8275f2df9af..d833c8f5b465 100644
--- a/drivers/thermal/intel_powerclamp.c
+++ b/drivers/thermal/intel_powerclamp.c
@@ -443,7 +443,7 @@ static int clamp_thread(void *arg)
atomic_inc(&idle_wakeup_counter);
}
tick_nohz_idle_exit();
- preempt_enable_no_resched();
+ preempt_enable();
}
del_timer_sync(&wakeup_timer);
clear_bit(cpunr, cpu_clamping_mask);