diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/kgdb.c | 4 | ||||
| -rw-r--r-- | kernel/time/clocksource.c | 12 |
2 files changed, 16 insertions, 0 deletions
diff --git a/kernel/kgdb.c b/kernel/kgdb.c index 017ee782bc0..e3f60374042 100644 --- a/kernel/kgdb.c +++ b/kernel/kgdb.c @@ -28,6 +28,7 @@ * kind, whether express or implied. */ #include <linux/pid_namespace.h> +#include <linux/clocksource.h> #include <linux/interrupt.h> #include <linux/spinlock.h> #include <linux/console.h> @@ -574,6 +575,7 @@ static void kgdb_wait(struct pt_regs *regs) /* Signal the primary CPU that we are done: */ atomic_set(&cpu_in_kgdb[cpu], 0); + clocksource_touch_watchdog(); local_irq_restore(flags); } #endif @@ -1396,6 +1398,7 @@ acquirelock: atomic_read(&kgdb_cpu_doing_single_step) != cpu) { atomic_set(&kgdb_active, -1); + clocksource_touch_watchdog(); local_irq_restore(flags); goto acquirelock; @@ -1487,6 +1490,7 @@ acquirelock: kgdb_restore: /* Free kgdb_active */ atomic_set(&kgdb_active, -1); + clocksource_touch_watchdog(); local_irq_restore(flags); return error; diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c index 7f60097d443..f61402b1f2d 100644 --- a/kernel/time/clocksource.c +++ b/kernel/time/clocksource.c @@ -222,6 +222,18 @@ void clocksource_resume(void) } /** + * clocksource_touch_watchdog - Update watchdog + * + * Update the watchdog after exception contexts such as kgdb so as not + * to incorrectly trip the watchdog. + * + */ +void clocksource_touch_watchdog(void) +{ + clocksource_resume_watchdog(); +} + +/** * clocksource_get_next - Returns the selected clocksource * */ |