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Diffstat (limited to 'arch/x86/kernel/apic/nmi.c')
-rw-r--r--arch/x86/kernel/apic/nmi.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/x86/kernel/apic/nmi.c b/arch/x86/kernel/apic/nmi.c
index c90041ccb742..b387dce0b409 100644
--- a/arch/x86/kernel/apic/nmi.c
+++ b/arch/x86/kernel/apic/nmi.c
@@ -306,12 +306,12 @@ void acpi_nmi_disable(void)
*/
void cpu_nmi_set_wd_enabled(void)
{
- __get_cpu_var(wd_enabled) = 1;
+ __this_cpu_write(wd_enabled, 1);
}
void setup_apic_nmi_watchdog(void *unused)
{
- if (__get_cpu_var(wd_enabled))
+ if (__this_cpu_read(wd_enabled))
return;
/* cheap hack to support suspend/resume */
@@ -322,12 +322,12 @@ void setup_apic_nmi_watchdog(void *unused)
switch (nmi_watchdog) {
case NMI_LOCAL_APIC:
if (lapic_watchdog_init(nmi_hz) < 0) {
- __get_cpu_var(wd_enabled) = 0;
+ __this_cpu_write(wd_enabled, 0);
return;
}
/* FALL THROUGH */
case NMI_IO_APIC:
- __get_cpu_var(wd_enabled) = 1;
+ __this_cpu_write(wd_enabled, 1);
atomic_inc(&nmi_active);
}
}
@@ -337,13 +337,13 @@ void stop_apic_nmi_watchdog(void *unused)
/* only support LOCAL and IO APICs for now */
if (!nmi_watchdog_active())
return;
- if (__get_cpu_var(wd_enabled) == 0)
+ if (__this_cpu_read(wd_enabled) == 0)
return;
if (nmi_watchdog == NMI_LOCAL_APIC)
lapic_watchdog_stop();
else
__acpi_nmi_disable(NULL);
- __get_cpu_var(wd_enabled) = 0;
+ __this_cpu_write(wd_enabled, 0);
atomic_dec(&nmi_active);
}
@@ -403,8 +403,8 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
sum = get_timer_irqs(cpu);
- if (__get_cpu_var(nmi_touch)) {
- __get_cpu_var(nmi_touch) = 0;
+ if (__this_cpu_read(nmi_touch)) {
+ __this_cpu_write(nmi_touch, 0);
touched = 1;
}
@@ -427,7 +427,7 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
touched = 1;
/* if the none of the timers isn't firing, this cpu isn't doing much */
- if (!touched && __get_cpu_var(last_irq_sum) == sum) {
+ if (!touched && __this_cpu_read(last_irq_sum) == sum) {
/*
* Ayiee, looks like this CPU is stuck ...
* wait a few IRQs (5 seconds) before doing the oops ...
@@ -440,12 +440,12 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
die_nmi("BUG: NMI Watchdog detected LOCKUP",
regs, panic_on_timeout);
} else {
- __get_cpu_var(last_irq_sum) = sum;
+ __this_cpu_write(last_irq_sum, sum);
__this_cpu_write(alert_counter, 0);
}
/* see if the nmi watchdog went off */
- if (!__get_cpu_var(wd_enabled))
+ if (!__this_cpu_read(wd_enabled))
return rc;
switch (nmi_watchdog) {
case NMI_LOCAL_APIC:
@@ -467,7 +467,7 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
static void enable_ioapic_nmi_watchdog_single(void *unused)
{
- __get_cpu_var(wd_enabled) = 1;
+ __this_cpu_write(wd_enabled, 1);
atomic_inc(&nmi_active);
__acpi_nmi_enable(NULL);
}