linux-kernel - [tip:smp/hotplug] tile: Enter idle with preemption disabled

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Message-ID: <tip-e26ef8fe722d5c1c0c1a0212542da8fc2b21a89f@git.kernel.org>
Date:	Mon, 8 Apr 2013 13:44:08 -0700
From:	tip-bot for Thomas Gleixner <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	rusty@...tcorp.com.au, torvalds@...ux-foundation.org,
	peterz@...radead.org, cmetcalf@...era.com,
	srivatsa.bhat@...ux.vnet.ibm.com, paulmck@...ux.vnet.ibm.com,
	tglx@...utronix.de, magnus.damm@...il.com
Subject: [tip:smp/hotplug] tile: Enter idle with preemption disabled

Commit-ID:  e26ef8fe722d5c1c0c1a0212542da8fc2b21a89f
Gitweb:     http://git.kernel.org/tip/e26ef8fe722d5c1c0c1a0212542da8fc2b21a89f
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Thu, 21 Mar 2013 22:50:00 +0100
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Mon, 8 Apr 2013 17:39:28 +0200

tile: Enter idle with preemption disabled

cpu_idle() needs to be called with preemption disabled.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Rusty Russell <rusty@...tcorp.com.au>
Cc: Paul McKenney <paulmck@...ux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com>
Cc: Magnus Damm <magnus.damm@...il.com>
Acked-by: Chris Metcalf <cmetcalf@...era.com>
Link: http://lkml.kernel.org/r/20130321215235.280451779@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

---
 arch/tile/kernel/smpboot.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/tile/kernel/smpboot.c b/arch/tile/kernel/smpboot.c
index e686c5a..11c0190 100644
--- a/arch/tile/kernel/smpboot.c
+++ b/arch/tile/kernel/smpboot.c
@@ -207,8 +207,6 @@ void __cpuinit online_secondary(void)
 	/* Set up tile-timer clock-event device on this cpu */
 	setup_tile_timer();
 
-	preempt_enable();
-
 	cpu_idle();
 }
 
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