linux-kernel - [PATCH] smpboot: Use preempt_enable_no

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Message-ID: <20140212101954.17530.53675.stgit@tkhai>
Date:	Wed, 12 Feb 2014 14:19:56 +0400
From:	Kirill Tkhai <ktkhai@...allels.com>
To:	<linux-kernel@...r.kernel.org>
CC:	<tglx@...utronix.de>
Subject: [PATCH] smpboot: Use preempt_enable_no_resched() before schedule()

Signed-off-by: Kirill Tkhai <ktkhai@...allels.com>
CC: Thomas Gleixner <tglx@...utronix.de>
---
 kernel/smpboot.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/smpboot.c b/kernel/smpboot.c
index eb89e18..c6e1c56 100644
--- a/kernel/smpboot.c
+++ b/kernel/smpboot.c
@@ -152,7 +152,7 @@ static int smpboot_thread_fn(void *data)
 		}
 
 		if (!ht->thread_should_run(td->cpu)) {
-			preempt_enable();
+			preempt_enable_no_resched();
 			schedule();
 		} else {
 			set_current_state(TASK_RUNNING);

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