AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

cpuidle: Use kick_all_cpus_sync()

Browse Source 
kick_all_cpus_sync() is the core implementation of cpu_idle_wait()
which is copied all over the arch code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20120507175652.119842173@linutronix.de
This commit is contained in:
Thomas Gleixner 2012-05-07 17:59:48 +00:00
parent f37f435f33
commit 4a1625133d
1 changed files with 1 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/cpuidle/cpuidle.c
View File

@ -40,17 +40,6 @@ void disable_cpuidle(void)
off = 1;
}
#if defined(CONFIG_ARCH_HAS_CPU_IDLE_WAIT)
static void cpuidle_kick_cpus(void)
{
cpu_idle_wait();
}
#elif defined(CONFIG_SMP)
# error "Arch needs cpu_idle_wait() equivalent here"
#else /* !CONFIG_ARCH_HAS_CPU_IDLE_WAIT && !CONFIG_SMP */
static void cpuidle_kick_cpus(void) {}
#endif
static int __cpuidle_register_device(struct cpuidle_device *dev);
static inline int cpuidle_enter(struct cpuidle_device *dev,
@ -186,7 +175,7 @@ void cpuidle_uninstall_idle_handler(void)
{
if (enabled_devices) {
initialized = 0;
cpuidle_kick_cpus();
kick_all_cpus_sync();
}
}