diff options
| author | Olav Haugan <ohaugan@codeaurora.org> | 2016-08-18 16:49:44 -0700 |
|---|---|---|
| committer | Olav Haugan <ohaugan@codeaurora.org> | 2016-09-20 17:47:13 -0700 |
| commit | 3fe956359cd3f1cd174285b693b424f89123ff96 (patch) | |
| tree | 8093d51adfbff49af39bc775fdf92f355b71a374 /include/linux | |
| parent | dcf716301e77728f08667cf0189d6de1cdc5e5e9 (diff) | |
watchdog: Add support for cpu isolation
Open up interface to allow external subsystem to enable and disable hard
lockup detector.
Change-Id: I88a728ee1d54aaa887fab52e5e40d1d4e4fc69ca
Signed-off-by: Olav Haugan <ohaugan@codeaurora.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/device.h | 1 | ||||
| -rw-r--r-- | include/linux/sched.h | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/device.h b/include/linux/device.h index 9f27351c6b9c..4b4e2d5ce6e7 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1023,6 +1023,7 @@ static inline bool device_supports_offline(struct device *dev) extern void lock_device_hotplug(void); extern void unlock_device_hotplug(void); extern int lock_device_hotplug_sysfs(void); +extern void lock_device_hotplug_assert(void); extern int device_offline(struct device *dev); extern int device_online(struct device *dev); extern void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode); diff --git a/include/linux/sched.h b/include/linux/sched.h index 4701e0403167..ac6b519494a2 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -409,6 +409,8 @@ extern int proc_dowatchdog_thresh(struct ctl_table *table, int write, extern unsigned int softlockup_panic; extern unsigned int hardlockup_panic; void lockup_detector_init(void); +extern void watchdog_enable(unsigned int cpu); +extern void watchdog_disable(unsigned int cpu); #else static inline void touch_softlockup_watchdog_sched(void) { @@ -425,6 +427,12 @@ static inline void touch_all_softlockup_watchdogs(void) static inline void lockup_detector_init(void) { } +static inline void watchdog_enable(unsigned int cpu) +{ +} +static inline void watchdog_disable(unsigned int cpu) +{ +} #endif #ifdef CONFIG_DETECT_HUNG_TASK |