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From: tip-bot for Peter Zijlstra on 2 Mar 2010 09:40
Commit-ID: 5671a10e2bc7f99d9157c6044faf8be2ef302361
Gitweb: http://git.kernel.org/tip/5671a10e2bc7f99d9157c6044faf8be2ef302361
Author: Peter Zijlstra <a.p.zijlstra(a)chello.nl>
AuthorDate: Tue, 2 Mar 2010 14:20:14 +0100
Committer: Ingo Molnar <mingo(a)elte.hu>
CommitDate: Tue, 2 Mar 2010 15:02:05 +0100

nmi_watchdog: Tell the world we're active

Because I was wondering why perf stat wasn't working as expected..

Signed-off-by: Peter Zijlstra <a.p.zijlstra(a)chello.nl>
Cc: Don Zickus <dzickus(a)redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo(a)elte.hu>
---
kernel/nmi_watchdog.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/nmi_watchdog.c b/kernel/nmi_watchdog.c
index 0a6f57f..a79d211 100644
--- a/kernel/nmi_watchdog.c
+++ b/kernel/nmi_watchdog.c
@@ -244,6 +244,8 @@ static int __init spawn_nmi_watchdog_task(void)
if (nonmi_watchdog)
return 0;

+ printk(KERN_INFO "NMI watchdog enabled, takes one hw-pmu counter.\n");
+
err = cpu_callback(&cpu_nfb, CPU_UP_PREPARE, cpu);
if (err == NOTIFY_BAD) {
BUG();
--
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