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Subject[PATCH 07/15] 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'.

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: Ingo Molnar <mingo@kernel.org>
Cc: hpa@zytor.com
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: lenb@kernel.org
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
---
drivers/thermal/intel_powerclamp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- 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);



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