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| author | Jason Wessel <jason.wessel@windriver.com> | 2008-02-15 14:55:54 -0600 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 20:05:38 +0200 |
| commit | 7c3078b637882303b1dcf6a16229d0e35f6b60a5 (patch) | |
| tree | 4b1456f81627056eff8750e42481c0b00ac84cf0 /kernel/kgdb.c | |
| parent | d359752407f8916c29ad53a5c30ac73e338f2797 (diff) | |
| download | lwn-7c3078b637882303b1dcf6a16229d0e35f6b60a5.tar.gz lwn-7c3078b637882303b1dcf6a16229d0e35f6b60a5.zip | |
kgdb: clocksource watchdog
In order to not trip the clocksource watchdog, kgdb must touch the
clocksource watchdog on the return to normal system run state.
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/kgdb.c')
| -rw-r--r-- | kernel/kgdb.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/kgdb.c b/kernel/kgdb.c index 017ee782bc08..e3f603740425 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; |