diff options
| author | Dirk Brandewie <dirk.j.brandewie@intel.com> | 2014-11-06 09:40:46 -0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-11-12 00:04:37 +0100 |
| commit | 77873887729aaddec5cd27203a6ce8c4987733e4 (patch) | |
| tree | 85d104df9e3b6417d52a7801c55b0cdd4a579f80 /arch/x86/kernel/iosf_mbi.c | |
| parent | 619c144c84bd240487204e91dff88247cde68d92 (diff) | |
| download | blackbird-op-linux-77873887729aaddec5cd27203a6ce8c4987733e4.tar.gz blackbird-op-linux-77873887729aaddec5cd27203a6ce8c4987733e4.zip | |
x86: Add support for Intel HWP feature detection.
Add support of Hardware Managed Performance States (HWP) described in Volume 3
section 14.4 of the SDM.
One bit CPUID.06H:EAX[bit 7] expresses the presence of the HWP feature on
the processor. The remaining bits CPUID.06H:EAX[bit 8-11] denote the
presense of various HWP features.
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'arch/x86/kernel/iosf_mbi.c')
0 files changed, 0 insertions, 0 deletions
