linux-kernel - [PATCH RT 1/4] sh: use __preempt_enable_no_resched in cpu

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Date:	Thu, 12 Feb 2009 00:01:40 +0900
From:	Katsuya Matsubara <matsu@...l.co.jp>
To:	linux-rt-users <linux-rt-users@...r.kernel.org>
Cc:	Steven Rostedt <srostedt@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	Paul Mundt <lethal@...ux-sh.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Katsuya Matsubara <matsu@...l.co.jp>
Subject: [PATCH RT 1/4] sh: use __preempt_enable_no_resched in cpu_idle()

__preempt_enable_no_resched skips preempt_count check. However it is
of no matter since schedule is called afterwards in this case.
The same was done for arm in <http://lkml.org/lkml/2009/2/2/291>.

Signed-off-by: Katsuya Matsubara <matsu@...l.co.jp>
---
 arch/sh/kernel/process_32.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/sh/kernel/process_32.c b/arch/sh/kernel/process_32.c
index b965f02..483fe78 100644
--- a/arch/sh/kernel/process_32.c
+++ b/arch/sh/kernel/process_32.c
@@ -84,7 +84,7 @@ void cpu_idle(void)
 			idle();
 		tick_nohz_restart_sched_tick();
 
-		preempt_enable_no_resched();
+		__preempt_enable_no_resched();
 		schedule();
 		preempt_disable();
 		check_pgt_cache();
-- 
1.6.1

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