AcoSail/kernel_optimize_test
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Merge branch 'cpuidle' into test

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This commit is contained in:
Len Brown 2008-10-22 23:20:05 -04:00
commit 4538fad56e
3 changed files with 12 additions and 1 deletions
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3
arch/x86/Kconfig
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@ -123,6 +123,9 @@ config GENERIC_TIME_VSYSCALL
config ARCH_HAS_CPU_RELAX
def_bool y
config ARCH_HAS_DEFAULT_IDLE
def_bool y
config ARCH_HAS_CACHE_LINE_SIZE
def_bool y

1
drivers/acpi/processor_idle.c
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@ -1587,6 +1587,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
if (acpi_idle_bm_check()) {
if (dev->safe_state) {
dev->last_state = dev->safe_state;
return dev->safe_state->enter(dev, dev->safe_state);
} else {
local_irq_disable();

9
drivers/cpuidle/cpuidle.c
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@ -56,7 +56,11 @@ static void cpuidle_idle_call(void)
if (pm_idle_old)
pm_idle_old();
else
#if defined(CONFIG_ARCH_HAS_DEFAULT_IDLE)
default_idle();
#else
local_irq_enable();
#endif
return;
}
@ -67,8 +71,11 @@ static void cpuidle_idle_call(void)
target_state = &dev->states[next_state];
/* enter the state and update stats */
dev->last_residency = target_state->enter(dev, target_state);
dev->last_state = target_state;
dev->last_residency = target_state->enter(dev, target_state);
if (dev->last_state)
target_state = dev->last_state;
target_state->time += (unsigned long long)dev->last_residency;
target_state->usage++;