linux-kernel - [tip:x86/urgent] x86/mce: Fix the MCE poll timer logic

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Date:	Wed, 6 Jun 2012 00:10:30 -0700
From:	tip-bot for Chen Gong <gong.chen@...ux.intel.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	tglx@...utronix.de, gong.chen@...ux.intel.com
Subject: [tip:x86/urgent] x86/mce: Fix the MCE poll timer logic

Commit-ID:  958fb3c51295764599d6abce87e1a01ace897a3e
Gitweb:     http://git.kernel.org/tip/958fb3c51295764599d6abce87e1a01ace897a3e
Author:     Chen Gong <gong.chen@...ux.intel.com>
AuthorDate: Tue, 5 Jun 2012 10:35:02 +0800
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 6 Jun 2012 08:28:21 +0200

x86/mce: Fix the MCE poll timer logic

In commit 82f7af09 ("x86/mce: Cleanup timer mess), Thomas just
forgot the "/ 2" there while cleaning up.

Signed-off-by: Chen Gong <gong.chen@...ux.intel.com>
Acked-by: Thomas Gleixner <tglx@...utronix.de>
Cc: bp@...64.org
Cc: tony.luck@...el.com
Link: http://lkml.kernel.org/r/1338863702-9245-1-git-send-email-gong.chen@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/cpu/mcheck/mce.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 0a687fd..a97f3c4 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1274,7 +1274,7 @@ static void mce_timer_fn(unsigned long data)
 	 */
 	iv = __this_cpu_read(mce_next_interval);
 	if (mce_notify_irq())
-		iv = max(iv, (unsigned long) HZ/100);
+		iv = max(iv / 2, (unsigned long) HZ/100);
 	else
 		iv = min(iv * 2, round_jiffies_relative(check_interval * HZ));
 	__this_cpu_write(mce_next_interval, iv);
--
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