diff options
| -rw-r--r-- | arch/x86/Kconfig | 3 | ||||
| -rw-r--r-- | drivers/acpi/processor_idle.c | 1 | ||||
| -rw-r--r-- | drivers/cpuidle/cpuidle.c | 9 |
3 files changed, 12 insertions, 1 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index ed92864d132..f8caf040650 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -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 diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index cf5b1b7b684..81b40ed5379 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -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(); diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index 5ce07b517c5..bb6e3b33804 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -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++; |