diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2012-05-07 17:59:49 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2012-05-08 12:35:06 +0200 |
| commit | 85f7f656274fa0ba109dd8774db3887d42de5c6b (patch) | |
| tree | d5ec3ed47c86a00ee198d988afc059ebb4d38c42 /arch/x86/kernel/process.c | |
| parent | 4a1625133d4faaefcec0dc175941f49b186918d9 (diff) | |
x86: Use kick_all_cpus_sync()
Use kick_all_cpus_sync() and remove cpu_idle_wait().
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20120507175652.190382227@linutronix.de
Cc: x86@kernel.org
Diffstat (limited to 'arch/x86/kernel/process.c')
| -rw-r--r-- | arch/x86/kernel/process.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 8aa532fa015d..8215458f6af5 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -525,26 +525,6 @@ void stop_this_cpu(void *dummy) } } -static void do_nothing(void *unused) -{ -} - -/* - * cpu_idle_wait - Used to ensure that all the CPUs discard old value of - * pm_idle and update to new pm_idle value. Required while changing pm_idle - * handler on SMP systems. - * - * Caller must have changed pm_idle to the new value before the call. Old - * pm_idle value will not be used by any CPU after the return of this function. - */ -void cpu_idle_wait(void) -{ - smp_mb(); - /* kick all the CPUs so that they exit out of pm_idle */ - smp_call_function(do_nothing, NULL, 1); -} -EXPORT_SYMBOL_GPL(cpu_idle_wait); - /* Default MONITOR/MWAIT with no hints, used for default C1 state */ static void mwait_idle(void) { |