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| author | Akinobu Mita <akinobu.mita@gmail.com> | 2010-08-31 23:00:09 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-09-01 07:33:34 +0200 |
| commit | 14416c35b6b9975c9593d7ecc8382d1ecaa0b598 (patch) | |
| tree | 15083ac26721ae79cf9f2348c2c5e206a5674f35 /kernel/watchdog.c | |
| parent | eac243355a99d6b9d41bbeba4fc83e7f735485f9 (diff) | |
| download | lwn-14416c35b6b9975c9593d7ecc8382d1ecaa0b598.tar.gz lwn-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.c | 15 |
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); |