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path: root/drivers/acpi/processor_idle.c
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Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index e8e2d886923..788da9781f8 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1487,7 +1487,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
return 0;
}
- acpi_unlazy_tlb(smp_processor_id());
/*
* Must be done before busmaster disable as we might need to
* access HPET !
@@ -1577,6 +1576,8 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
return 0;
}
+ acpi_unlazy_tlb(smp_processor_id());
+
/* Tell the scheduler that we are going deep-idle: */
sched_clock_idle_sleep_event();
/*
@@ -1692,7 +1693,9 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
switch (cx->type) {
case ACPI_STATE_C1:
state->flags |= CPUIDLE_FLAG_SHALLOW;
- state->flags |= CPUIDLE_FLAG_TIME_VALID;
+ if (cx->entry_method == ACPI_CSTATE_FFH)
+ state->flags |= CPUIDLE_FLAG_TIME_VALID;
+
state->enter = acpi_idle_enter_c1;
dev->safe_state = state;
break;