From: Frederic Weisbecker Date: Tue, 12 May 2015 14:41:51 +0000 (+0200) Subject: sched/preempt: Remove PREEMPT_ACTIVE unmasking off in_atomic() X-Git-Tag: firefly_0821_release~176^2~1589^2~47 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3e51f3c4004c9b01f66da03214a3e206f5ed627b;p=firefly-linux-kernel-4.4.55.git sched/preempt: Remove PREEMPT_ACTIVE unmasking off in_atomic() Now that PREEMPT_ACTIVE implies PREEMPT_DISABLE_OFFSET, ignoring PREEMPT_ACTIVE from in_atomic() check isn't useful anymore. Signed-off-by: Frederic Weisbecker Signed-off-by: Peter Zijlstra (Intel) Cc: Linus Torvalds Cc: Peter Zijlstra Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/1431441711-29753-7-git-send-email-fweisbec@gmail.com Signed-off-by: Ingo Molnar --- diff --git a/include/linux/preempt.h b/include/linux/preempt.h index 4057696c641c..a1a00e14c14f 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h @@ -112,7 +112,7 @@ * used in the general case to determine whether sleeping is possible. * Do not use in_atomic() in driver code. */ -#define in_atomic() ((preempt_count() & ~PREEMPT_ACTIVE) != 0) +#define in_atomic() (preempt_count() != 0) /* * Check whether we were atomic before we did preempt_disable():