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authorAkinobu Mita <akinobu.mita@gmail.com>2010-09-01 05:00:09 +0200
committerIngo Molnar <mingo@elte.hu>2010-09-01 07:33:34 +0200
commit14416c35b6b9975c9593d7ecc8382d1ecaa0b598 (patch)
tree15083ac26721ae79cf9f2348c2c5e206a5674f35 /kernel/watchdog.c
parentlockup_detector: Convert cpu notifier to return encapsulate errno value (diff)
downloadlinux-14416c35b6b9975c9593d7ecc8382d1ecaa0b598.tar.xz
linux-14416c35b6b9975c9593d7ecc8382d1ecaa0b598.zip
lockup_detector: Remove unused panic_notifier
The panic notifer in lockup_detector just set did_panic to 1. But did_panic is not used anywhere so we can just remove it. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: peterz@infradead.org Cc: gorcunov@gmail.com Cc: fweisbec@gmail.com LKML-Reference: <1283310009-22168-4-git-send-email-dzickus@redhat.com> Signed-off-by: Don Zickus <dzickus@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/watchdog.c')
-rw-r--r--kernel/watchdog.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 501cb6edca4b..5b1ee4f4ca0d 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -43,7 +43,6 @@ static DEFINE_PER_CPU(unsigned long, hrtimer_interrupts_saved);
static DEFINE_PER_CPU(struct perf_event *, watchdog_ev);
#endif
-static int __read_mostly did_panic;
static int __initdata no_watchdog;
@@ -180,18 +179,6 @@ static int is_softlockup(unsigned long touch_ts)
return 0;
}
-static int
-watchdog_panic(struct notifier_block *this, unsigned long event, void *ptr)
-{
- did_panic = 1;
-
- return NOTIFY_DONE;
-}
-
-static struct notifier_block panic_block = {
- .notifier_call = watchdog_panic,
-};
-
#ifdef CONFIG_HARDLOCKUP_DETECTOR
static struct perf_event_attr wd_hw_attr = {
.type = PERF_TYPE_HARDWARE,
@@ -564,8 +551,6 @@ static int __init spawn_watchdog_task(void)
cpu_callback(&cpu_nfb, CPU_ONLINE, cpu);
register_cpu_notifier(&cpu_nfb);
- atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
-
return 0;
}
early_initcall(spawn_watchdog_task);