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

From: tip-bot for Chen Gong
Date: Wed Jun 06 2012 - 03:10:36 EST


Commit-ID: 958fb3c51295764599d6abce87e1a01ace897a3e
Gitweb: http://git.kernel.org/tip/958fb3c51295764599d6abce87e1a01ace897a3e
Author: Chen Gong <gong.chen@xxxxxxxxxxxxxxx>
AuthorDate: Tue, 5 Jun 2012 10:35:02 +0800
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
Acked-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: bp@xxxxxxxxx
Cc: tony.luck@xxxxxxxxx
Link: http://lkml.kernel.org/r/1338863702-9245-1-git-send-email-gong.chen@xxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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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