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authorLinus Torvalds <torvalds@linux-foundation.org>2014-10-13 16:10:06 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-13 16:10:06 +0200
commit13ead805c5a14b0e7ecd34f61404a5bfba655895 (patch)
tree0ce86d4d10ab0398c31e5b630060309d362144d6 /kernel
parentebf546cc5391b9a8a17c1196b05b4357ef0138a2 (diff)
parentdf577149594cefacd62740e86de080c6336d699e (diff)
Merge branch 'perf-watchdog-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull watchdog fixes from Ingo Molnar: "Two small watchdog subsystem fixes" * 'perf-watchdog-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: watchdog: Fix print-once on enable watchdog: Remove unnecessary header files
Diffstat (limited to 'kernel')
-rw-r--r--kernel/watchdog.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 7b223b212683..ff7fd80bef99 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -15,11 +15,6 @@
#include <linux/cpu.h>
#include <linux/nmi.h>
#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/freezer.h>
-#include <linux/kthread.h>
-#include <linux/lockdep.h>
-#include <linux/notifier.h>
#include <linux/module.h>
#include <linux/sysctl.h>
#include <linux/smpboot.h>
@@ -530,7 +525,10 @@ static void watchdog_nmi_disable(unsigned int cpu)
/* should be in cleanup, but blocks oprofile */
perf_event_release_kernel(event);
}
- return;
+ if (cpu == 0) {
+ /* watchdog_nmi_enable() expects this to be zero initially. */
+ cpu0_err = 0;
+ }
}
#else
static int watchdog_nmi_enable(unsigned int cpu) { return 0; }