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| author | Len Brown | 2008-02-07 09:30:48 +0100 |
|---|---|---|
| committer | Len Brown | 2008-02-07 09:30:48 +0100 |
| commit | 8976b6fd7a0060f72e20d5cec833c03d50874cd1 (patch) | |
| tree | d5c98a6fc41e19b5a85e9181072d74452b2dc2ab /arch/x86/kernel | |
| parent | Merge branches 'release' and 'video' into release (diff) | |
| parent | ACPI: throttling: fix build warning (diff) | |
| download | kernel-qcow2-linux-8976b6fd7a0060f72e20d5cec833c03d50874cd1.tar.gz kernel-qcow2-linux-8976b6fd7a0060f72e20d5cec833c03d50874cd1.tar.xz kernel-qcow2-linux-8976b6fd7a0060f72e20d5cec833c03d50874cd1.zip | |
Merge branches 'release' and 'throttling-domains' into release
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/acpi/processor.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/processor.c b/arch/x86/kernel/acpi/processor.c index a25db514c719..324eb0cab19c 100644 --- a/arch/x86/kernel/acpi/processor.c +++ b/arch/x86/kernel/acpi/processor.c @@ -46,6 +46,12 @@ static void init_intel_pdc(struct acpi_processor *pr, struct cpuinfo_x86 *c) buf[1] = 1; buf[2] = ACPI_PDC_C_CAPABILITY_SMP; + /* + * The default of PDC_SMP_T_SWCOORD bit is set for intel x86 cpu so + * that OSPM is capable of native ACPI throttling software + * coordination using BIOS supplied _TSD info. + */ + buf[2] |= ACPI_PDC_SMP_T_SWCOORD; if (cpu_has(c, X86_FEATURE_EST)) buf[2] |= ACPI_PDC_EST_CAPABILITY_SWSMP; |