aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/kernel/process.c
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2012-05-07 17:59:49 +0000
committerThomas Gleixner <tglx@linutronix.de>2012-05-08 12:35:06 +0200
commit85f7f656274fa0ba109dd8774db3887d42de5c6b (patch)
treed5ec3ed47c86a00ee198d988afc059ebb4d38c42 /arch/x86/kernel/process.c
parent4a1625133d4faaefcec0dc175941f49b186918d9 (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.c20
1 files changed, 0 insertions, 20 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 8aa532fa015..8215458f6af 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)
{