xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

watchdog: Add watchdog enable/disable all functions

Browse Source 
This patch adds two new functions to enable/disable
the watchdog across all CPUs.

This will be used by the HT PMU bug workaround code to
disable/enable the NMI watchdog across quirk enablement.

Signed-off-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: bp@alien8.de
Cc: jolsa@redhat.com
Cc: kan.liang@intel.com
Cc: maria.n.dimakopoulou@gmail.com
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/1416251225-17721-12-git-send-email-eranian@google.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Stephane Eranian
2014-11-17 20:07:03 +01:00
committed by Ingo Molnar
parent c02cdbf60b
commit b3738d2932
2 changed files with 36 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
include/linux/watchdog.h
View File

@@ -137,4 +137,12 @@ extern int watchdog_init_timeout(struct watchdog_device *wdd,
extern int watchdog_register_device(struct watchdog_device *);
extern void watchdog_unregister_device(struct watchdog_device *);
#ifdef CONFIG_HARDLOCKUP_DETECTOR
void watchdog_nmi_disable_all(void);
void watchdog_nmi_enable_all(void);
#else
static inline void watchdog_nmi_disable_all(void) {}
static inline void watchdog_nmi_enable_all(void) {}
#endif
#endif /* ifndef _LINUX_WATCHDOG_H */