diff options
| author | Steve French <sfrench@us.ibm.com> | 2006-03-31 03:35:56 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2006-03-31 03:35:56 +0000 |
| commit | d62e54abca1146981fc9f98f85ff398a113a22c2 (patch) | |
| tree | 870420dbc4c65e716dcef8a802aafdc0ef97a8b4 /drivers/acpi/processor_idle.c | |
| parent | fd4a0b92db6a57cba8d03efbe1cebf91f9124ce0 (diff) | |
| parent | ce362c009250340358a7221f3cdb7954cbf19c01 (diff) | |
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.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index eb730a80952..80fa43471f4 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -878,12 +878,9 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) unsigned int working = 0; #ifdef ARCH_APICTIMER_STOPS_ON_C3 - struct cpuinfo_x86 *c = cpu_data + pr->id; + int timer_broadcast = 0; 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); - } + on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1); #endif for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { @@ -896,15 +893,20 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) case ACPI_STATE_C2: acpi_processor_power_verify_c2(cx); +#ifdef ARCH_APICTIMER_STOPS_ON_C3 + /* Some AMD systems fake C3 as C2, but still + have timer troubles */ + if (cx->valid && + boot_cpu_data.x86_vendor == X86_VENDOR_AMD) + timer_broadcast++; +#endif break; case ACPI_STATE_C3: acpi_processor_power_verify_c3(pr, cx); #ifdef ARCH_APICTIMER_STOPS_ON_C3 - if (cx->valid && c->x86_vendor == X86_VENDOR_INTEL) { - on_each_cpu(switch_APIC_timer_to_ipi, - &mask, 1, 1); - } + if (cx->valid) + timer_broadcast++; #endif break; } @@ -913,6 +915,11 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) working++; } +#ifdef ARCH_APICTIMER_STOPS_ON_C3 + if (timer_broadcast) + on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1); +#endif + return (working); } |