diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 3b97a5eae9e8..a5f4f2aa007a 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -369,6 +369,11 @@ static void acpi_processor_idle(void) t2 = inl(acpi_fadt.xpm_tmr_blk.address); /* Get end time (ticks) */ t2 = inl(acpi_fadt.xpm_tmr_blk.address); + +#ifdef CONFIG_GENERIC_TIME + /* TSC halts in C2, so notify users */ + mark_tsc_unstable(); +#endif /* Re-enable interrupts */ local_irq_enable(); set_thread_flag(TIF_POLLING_NRFLAG); @@ -409,6 +414,10 @@ static void acpi_processor_idle(void) ACPI_MTX_DO_NOT_LOCK); } +#ifdef CONFIG_GENERIC_TIME + /* TSC halts in C3, so notify users */ + mark_tsc_unstable(); +#endif /* Re-enable interrupts */ local_irq_enable(); set_thread_flag(TIF_POLLING_NRFLAG); |