X86: Introduce HW-Pstate scattered cpuid feature

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It is rather similar to CPB (boot capability) feature
and exists since fam10h (can be looked up in AMD's BKDG).

The feature is needed for powernow-k8 to cleanup init functions and to
provide proper autoloading matching with the new x86cpu modalias
feature.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Dave Jones <davej@redhat.com>
Cc: Borislav Petkov <bp@amd64.org>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

...

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Thomas Renninger 2012-01-26 00:09:11 +01:00 • committed by Greg Kroah-Hartman

parent 9b38096fde

commit 2f1e097e24

2 changed files with 2 additions and 0 deletions

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1

arch/x86/include/asm/cpufeature.h

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arch/x86/kernel/cpu/scattered.c

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