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authorSteve French <sfrench@us.ibm.com>2006-01-12 14:47:08 -0800
committerSteve French <sfrench@us.ibm.com>2006-01-12 14:47:08 -0800
commit94bc2be31a01a3055ec94176e595dfe208e92d3b (patch)
treeebfbe81c6718a6390bfa1b99c6d228237d818576 /drivers/acpi/processor_idle.c
parent[CIFS] Allow local filesize for file that is open for write to be updated (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-fixes-2.6 (diff)
downloadwireguard-linux-94bc2be31a01a3055ec94176e595dfe208e92d3b.tar.xz
wireguard-linux-94bc2be31a01a3055ec94176e595dfe208e92d3b.zip
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c15
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;
}