AcoSail/kernel_optimize_test
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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb

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* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jwessel/linux-2.6-kgdb:
  kgdb: call touch_softlockup_watchdog on resume
  kgdb, x86: Avoid invoking kgdb_nmicallback twice per NMI
This commit is contained in:
Linus Torvalds 2008-10-06 14:30:02 -07:00
commit afed26d151
2 changed files with 4 additions and 6 deletions
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7
arch/x86/kernel/kgdb.c
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@ -455,12 +455,7 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd)
return NOTIFY_DONE;
case DIE_NMI_IPI:
if (atomic_read(&kgdb_active) != -1) {
/* KGDB CPU roundup */
kgdb_nmicallback(raw_smp_processor_id(), regs);
was_in_debug_nmi[raw_smp_processor_id()] = 1;
touch_nmi_watchdog();
}
/* Just ignore, we will handle the roundup on DIE_NMI. */
return NOTIFY_DONE;
case DIE_NMIUNKNOWN:

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: */
atomic_set(&cpu_in_kgdb[cpu], 0);
touch_softlockup_watchdog();
clocksource_touch_watchdog();
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_set(&kgdb_active, -1);
touch_softlockup_watchdog();
clocksource_touch_watchdog();
local_irq_restore(flags);
@ -1524,6 +1526,7 @@ kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
kgdb_restore:
/* Free kgdb_active */
atomic_set(&kgdb_active, -1);
touch_softlockup_watchdog();
clocksource_touch_watchdog();
local_irq_restore(flags);