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| author |   Anton Altaparmakov <aia21@cantab.net> | 2006-01-19 16:39:33 +0000 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2006-01-19 16:39:33 +0000 |
| commit | 944d79559d154c12becde0dab327016cf438f46c (patch) | |
| tree | 50c101806f4d3b6585222dda060559eb4f3e005a /drivers/acpi/processor_idle.c | |
| parent | Merge branch 'master' of /usr/src/ntfs-2.6/ (diff) | |
| parent | Merge master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6 (diff) | |
| download | wireguard-linux-944d79559d154c12becde0dab327016cf438f46c.tar.xz wireguard-linux-944d79559d154c12becde0dab327016cf438f46c.zip | |
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'drivers/acpi/processor_idle.c')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 807b0df308f1..cc049338e418 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -843,6 +843,15 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) unsigned int i; unsigned int working = 0; +#ifdef ARCH_APICTIMER_STOPS_ON_C3 + struct cpuinfo_x86 *c = cpu_data + pr->id; + cpumask_t mask = cpumask_of_cpu(pr->id); + + if (c->x86_vendor == X86_VENDOR_INTEL) { + on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1); + } +#endif + for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { struct acpi_processor_cx *cx = &pr->power.states[i]; @@ -857,6 +866,12 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) case ACPI_STATE_C3: acpi_processor_power_verify_c3(pr, cx); +#ifdef ARCH_APICTIMER_STOPS_ON_C3 + if (c->x86_vendor == X86_VENDOR_INTEL) { + on_each_cpu(switch_APIC_timer_to_ipi, + &mask, 1, 1); + } +#endif break; } |