diff options
Diffstat (limited to 'arch/x86/kernel/process_64.c')
-rw-r--r-- | arch/x86/kernel/process_64.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index ca6f7ab8df3..3bd7e6eebf3 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -37,6 +37,7 @@ #include <linux/uaccess.h> #include <linux/io.h> #include <linux/ftrace.h> +#include <linux/cpuidle.h> #include <asm/pgtable.h> #include <asm/system.h> @@ -50,6 +51,7 @@ #include <asm/idle.h> #include <asm/syscalls.h> #include <asm/debugreg.h> +#include <asm/nmi.h> asmlinkage extern void ret_from_fork(void); @@ -132,11 +134,13 @@ void cpu_idle(void) * from here on, until they go to idle. * Otherwise, idle callbacks can misfire. */ + local_touch_nmi(); local_irq_disable(); enter_idle(); /* Don't trace irqs off for idle */ stop_critical_timings(); - pm_idle(); + if (cpuidle_idle_call()) + pm_idle(); start_critical_timings(); /* In many cases the interrupt that ended idle |