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Commit afed26d1 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

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

* '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
parents 6106611e cc1e0f4f

arch/x86/kernel/kgdb.c

+1 −6
Original line number Diff line number Diff line
@@ -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:

kernel/kgdb.c

+3 −0
Original line number Diff line number Diff line
@@ -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 @@ acquirelock: 
	    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 @@ acquirelock: 
kgdb_restore:

	/* Free kgdb_active */

	atomic_set(&kgdb_active, -1);

	touch_softlockup_watchdog();

	clocksource_touch_watchdog();

	local_irq_restore(flags);