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

* '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

diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index 8282a213968191368c3b3a4fdaf167ae20afa900..10435a120d2227bffd79a3df193f4238049ce2b0 100644 (file)
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -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:

diff --git a/kernel/kgdb.c b/kernel/kgdb.c
index 25d955dbb989ce8c1c1ce75b156287ca1e800209..e4dcfb2272a4184b19903927b1c438169788461a 100644 (file)
--- a/kernel/kgdb.c
+++ b/kernel/kgdb.c
@@ -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);