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| author | Peter Zijlstra <peterz@infradead.org> | 2013-12-11 12:21:17 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-13 17:39:18 +0100 |
| commit | 130816ce4d5f69167324f7272e70aa3d641677c6 (patch) | |
| tree | d857856fc39e7889a7ccc77c4f2396c383b1532a /drivers/thermal/intel_powerclamp.c | |
| parent | sched, net: Fixup busy_loop_us_clock() (diff) | |
| download | linux-130816ce4d5f69167324f7272e70aa3d641677c6.tar.xz linux-130816ce4d5f69167324f7272e70aa3d641677c6.zip | |
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>
Diffstat (limited to 'drivers/thermal/intel_powerclamp.c')
| -rw-r--r-- | drivers/thermal/intel_powerclamp.c | 2 |
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); |