diff options
Diffstat (limited to 'drivers/acpi/processor_idle.c')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 22 |
1 files changed, 9 insertions, 13 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index b181f7fc2090..2c2dc559e0f8 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -24,6 +24,8 @@ #include <acpi/processor.h> #include <linux/context_tracking.h> +#include "internal.h" + /* * Include the apic definitions for x86 to have the APIC timer related defines * available also for UP (on SMP it gets magically included via linux/smp.h). @@ -55,6 +57,12 @@ struct cpuidle_driver acpi_idle_driver = { }; #ifdef CONFIG_ACPI_PROCESSOR_CSTATE +void acpi_idle_rescan_dead_smt_siblings(void) +{ + if (cpuidle_get_driver() == &acpi_idle_driver) + arch_cpu_rescan_dead_smt_siblings(); +} + static DEFINE_PER_CPU(struct acpi_processor_cx * [CPUIDLE_STATE_MAX], acpi_cstate); @@ -461,10 +469,8 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) static int acpi_processor_get_cstate_info(struct acpi_processor *pr) { - unsigned int i; int result; - /* NOTE: the idle thread may not be running while calling * this function */ @@ -481,17 +487,7 @@ static int acpi_processor_get_cstate_info(struct acpi_processor *pr) acpi_processor_get_power_info_default(pr); pr->power.count = acpi_processor_power_verify(pr); - - /* - * if one state of type C2 or C3 is available, mark this - * CPU as being "idle manageable" - */ - for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { - if (pr->power.states[i].valid) { - pr->power.count = i; - pr->flags.power = 1; - } - } + pr->flags.power = 1; return 0; } |