diff options
| author | Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> | 2008-01-30 13:33:00 +0100 |
|---|---|---|
| committer | Chris Wright <chrisw@sous-sol.org> | 2008-03-24 11:47:32 -0700 |
| commit | a542b46db3536a4009b618609058a44edad9d22d (patch) | |
| tree | a97f037fbe62e20e484efb47650bb2591d1f60ea /arch | |
| parent | 495b375c8798fd9bd7d084bacad100d249a0ddf2 (diff) | |
x86: move out tick_nohz_stop_sched_tick() call from the loop
[upstream commit: 3d97775a]
Move out tick_nohz_stop_sched_tick() call from the loop in cpu_idle
same as 32-bit version.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ed Tomlinson <edt@aei.ca>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/process_64.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c index ab79e1dfa023..d7f7132307a5 100644 --- a/arch/x86/kernel/process_64.c +++ b/arch/x86/kernel/process_64.c @@ -212,14 +212,13 @@ void cpu_idle (void) current_thread_info()->status |= TS_POLLING; /* endless idle loop with no priority at all */ while (1) { + tick_nohz_stop_sched_tick(); while (!need_resched()) { void (*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) |