diff options
Diffstat (limited to 'arch/x86/kernel/process_64.c')
| -rw-r--r-- | arch/x86/kernel/process_64.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index 98956555450..6f9dbbe65ee 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -38,6 +38,7 @@ #include <linux/notifier.h> #include <linux/kprobes.h> #include <linux/kdebug.h> +#include <linux/tick.h> #include <asm/uaccess.h> #include <asm/pgtable.h> @@ -208,6 +209,8 @@ void cpu_idle (void) if (__get_cpu_var(cpu_idle_state)) __get_cpu_var(cpu_idle_state) = 0; + tick_nohz_stop_sched_tick(); + rmb(); idle = pm_idle; if (!idle) @@ -228,6 +231,7 @@ void cpu_idle (void) __exit_idle(); } + tick_nohz_restart_sched_tick(); preempt_enable_no_resched(); schedule(); preempt_disable(); |