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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:35:23 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-12 12:37:32 +0200 |
| commit | 365d46dc9be9b3c833990a06f3994b1987eda578 (patch) | |
| tree | 9397d1304144a288411f2118707f44ff5e862fa6 /arch/x86/kernel/nmi.c | |
| parent | 5dc64a3442b98eaa0e3730c35fcf00cf962a93e7 (diff) | |
| parent | fd048088306656824958e7783ffcee27e241b361 (diff) | |
| download | linux-365d46dc9be9b3c833990a06f3994b1987eda578.tar.gz | |
Merge branch 'linus' into x86/xen
Conflicts:
arch/x86/kernel/cpu/common.c
arch/x86/kernel/process_64.c
arch/x86/xen/enlighten.c
Diffstat (limited to 'arch/x86/kernel/nmi.c')
| -rw-r--r-- | arch/x86/kernel/nmi.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index abb78a2cc4ad..2c97f07f1c2c 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -299,6 +299,15 @@ void acpi_nmi_disable(void) on_each_cpu(__acpi_nmi_disable, NULL, 1); } +/* + * This function is called as soon the LAPIC NMI watchdog driver has everything + * in place and it's ready to check if the NMIs belong to the NMI watchdog + */ +void cpu_nmi_set_wd_enabled(void) +{ + __get_cpu_var(wd_enabled) = 1; +} + void setup_apic_nmi_watchdog(void *unused) { if (__get_cpu_var(wd_enabled)) @@ -311,8 +320,6 @@ void setup_apic_nmi_watchdog(void *unused) switch (nmi_watchdog) { case NMI_LOCAL_APIC: - /* enable it before to avoid race with handler */ - __get_cpu_var(wd_enabled) = 1; if (lapic_watchdog_init(nmi_hz) < 0) { __get_cpu_var(wd_enabled) = 0; return; |