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Message-Id: <1431441711-29753-7-git-send-email-fweisbec@gmail.com>
Date: Tue, 12 May 2015 16:41:51 +0200
From: Frederic Weisbecker <fweisbec@...il.com>
To: Peter Zijlstra <peterz@...radead.org>
Cc: LKML <linux-kernel@...r.kernel.org>,
Frederic Weisbecker <fweisbec@...il.com>,
Ingo Molnar <mingo@...nel.org>,
Thomas Gleixner <tglx@...utronix.de>,
Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [PATCH 6/6] 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.
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
---
include/linux/preempt.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 4057696..a1a00e1 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():
--
2.1.4
--
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