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authorBjorn Helgaas <bhelgaas@google.com>2012-09-13 10:41:01 -0400
committerBjorn Helgaas <bhelgaas@google.com>2012-09-13 10:41:01 -0400
commit78890b5989d96ddce989cde929c45ceeded0fcaf (patch)
tree4e2da81fc7c97f11aee174b1eedac110c9a68b3a /kernel/watchdog.c
parent1959ec5f82acbdf91425b41600f119ebecb5f6a8 (diff)
parent55d512e245bc7699a8800e23df1a24195dd08217 (diff)
Merge commit 'v3.6-rc5' into next
* commit 'v3.6-rc5': (1098 commits) Linux 3.6-rc5 HID: tpkbd: work even if the new Lenovo Keyboard driver is not configured Remove user-triggerable BUG from mpol_to_str xen/pciback: Fix proper FLR steps. uml: fix compile error in deliver_alarm() dj: memory scribble in logi_dj Fix order of arguments to compat_put_time[spec|val] xen: Use correct masking in xen_swiotlb_alloc_coherent. xen: fix logical error in tlb flushing xen/p2m: Fix one-off error in checking the P2M tree directory. powerpc: Don't use __put_user() in patch_instruction powerpc: Make sure IPI handlers see data written by IPI senders powerpc: Restore correct DSCR in context switch powerpc: Fix DSCR inheritance in copy_thread() powerpc: Keep thread.dscr and thread.dscr_inherit in sync powerpc: Update DSCR on all CPUs when writing sysfs dscr_default powerpc/powernv: Always go into nap mode when CPU is offline powerpc: Give hypervisor decrementer interrupts their own handler powerpc/vphn: Fix arch_update_cpu_topology() return value ARM: gemini: fix the gemini build ... Conflicts: drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c drivers/rapidio/devices/tsi721.c
Diffstat (limited to 'kernel/watchdog.c')
-rw-r--r--kernel/watchdog.c21
1 files changed, 2 insertions, 19 deletions
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 69add8a9da68..4b1dfba70f7c 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -575,7 +575,7 @@ out:
575/* 575/*
576 * Create/destroy watchdog threads as CPUs come and go: 576 * Create/destroy watchdog threads as CPUs come and go:
577 */ 577 */
578static int 578static int __cpuinit
579cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) 579cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
580{ 580{
581 int hotcpu = (unsigned long)hcpu; 581 int hotcpu = (unsigned long)hcpu;
@@ -610,27 +610,10 @@ cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
610 return NOTIFY_OK; 610 return NOTIFY_OK;
611} 611}
612 612
613static struct notifier_block cpu_nfb = { 613static struct notifier_block __cpuinitdata cpu_nfb = {
614 .notifier_call = cpu_callback 614 .notifier_call = cpu_callback
615}; 615};
616 616
617#ifdef CONFIG_SUSPEND
618/*
619 * On exit from suspend we force an offline->online transition on the boot CPU
620 * so that the PMU state that was lost while in suspended state gets set up
621 * properly for the boot CPU. This information is required for restarting the
622 * NMI watchdog.
623 */
624void lockup_detector_bootcpu_resume(void)
625{
626 void *cpu = (void *)(long)smp_processor_id();
627
628 cpu_callback(&cpu_nfb, CPU_DEAD_FROZEN, cpu);
629 cpu_callback(&cpu_nfb, CPU_UP_PREPARE_FROZEN, cpu);
630 cpu_callback(&cpu_nfb, CPU_ONLINE_FROZEN, cpu);
631}
632#endif
633
634void __init lockup_detector_init(void) 617void __init lockup_detector_init(void)
635{ 618{
636 void *cpu = (void *)(long)smp_processor_id(); 619 void *cpu = (void *)(long)smp_processor_id();