diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2017-09-12 21:36:59 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-09-14 11:41:04 +0200 |
| commit | 5490125d77a43016b26f629d4b485e2c62172551 (patch) | |
| tree | 8ce389c828dcedfe5a07705dcb84653980943b26 /include | |
| parent | 47bb4baf7df43ac8bbc51c24022466972ba29ef1 (diff) | |
| download | linux-stable-5490125d77a43016b26f629d4b485e2c62172551.tar.gz linux-stable-5490125d77a43016b26f629d4b485e2c62172551.tar.bz2 linux-stable-5490125d77a43016b26f629d4b485e2c62172551.zip | |
watchdog/core: Remove broken suspend/resume interfaces
This interface has several issues:
- It's causing recursive locking of the hotplug lock.
- It's complete overkill to teardown all threads and then recreate them
The same can be achieved with the simple hardlockup_detector_perf_stop /
restart() interfaces. The abuse from the busy looping poweroff() loop of
PARISC has been solved as well.
Remove the cruft.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Don Zickus <dzickus@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Chris Metcalf <cmetcalf@mellanox.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sebastian Siewior <bigeasy@linutronix.de>
Cc: Ulrich Obergfell <uobergfe@redhat.com>
Link: http://lkml.kernel.org/r/20170912194146.487537732@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nmi.h | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/include/linux/nmi.h b/include/linux/nmi.h index 85bb268be39c..7eefe7abf44b 100644 --- a/include/linux/nmi.h +++ b/include/linux/nmi.h @@ -164,7 +164,6 @@ extern int watchdog_thresh; extern unsigned long watchdog_enabled; extern struct cpumask watchdog_cpumask; extern unsigned long *watchdog_cpumask_bits; -extern int __read_mostly watchdog_suspended; #ifdef CONFIG_SMP extern int sysctl_softlockup_all_cpu_backtrace; extern int sysctl_hardlockup_all_cpu_backtrace; @@ -192,17 +191,6 @@ extern int proc_watchdog_thresh(struct ctl_table *, int , void __user *, size_t *, loff_t *); extern int proc_watchdog_cpumask(struct ctl_table *, int, void __user *, size_t *, loff_t *); -extern int lockup_detector_suspend(void); -extern void lockup_detector_resume(void); -#else -static inline int lockup_detector_suspend(void) -{ - return 0; -} - -static inline void lockup_detector_resume(void) -{ -} #endif #ifdef CONFIG_HAVE_ACPI_APEI_NMI |