AcoSail/kernel_optimize_test
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kgdb: call touch_softlockup_watchdog on resume

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The softlockup watchdog needs to be touched when resuming the from the
kgdb stopped state to avoid the printk that a CPU is stuck if the
debugger was active for longer than the softlockup threshold.

Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
This commit is contained in:
Jason Wessel 2008-10-06 13:50:59 -05:00
parent e85ceae910
commit cc1e0f4f7a
1 changed files with 3 additions and 0 deletions
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3
kernel/kgdb.c
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@ -590,6 +590,7 @@ static void kgdb_wait(struct pt_regs *regs)
/* Signal the primary CPU that we are done: */ /* Signal the primary CPU that we are done: */
atomic_set(&cpu_in_kgdb[cpu], 0); atomic_set(&cpu_in_kgdb[cpu], 0);
touch_softlockup_watchdog();
clocksource_touch_watchdog(); clocksource_touch_watchdog();
local_irq_restore(flags); local_irq_restore(flags);
} }
@ -1432,6 +1433,7 @@ kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
atomic_read(&kgdb_cpu_doing_single_step) != cpu) { atomic_read(&kgdb_cpu_doing_single_step) != cpu) {
atomic_set(&kgdb_active, -1); atomic_set(&kgdb_active, -1);
touch_softlockup_watchdog();
clocksource_touch_watchdog(); clocksource_touch_watchdog();
local_irq_restore(flags); local_irq_restore(flags);
@ -1524,6 +1526,7 @@ kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
kgdb_restore: kgdb_restore:
/* Free kgdb_active */ /* Free kgdb_active */
atomic_set(&kgdb_active, -1); atomic_set(&kgdb_active, -1);
touch_softlockup_watchdog();
clocksource_touch_watchdog(); clocksource_touch_watchdog();
local_irq_restore(flags); local_irq_restore(flags);