On Wed, Oct 12, 2016 at 12:13:10PM +0200, Grzegorz Andrejczuk wrote:
> Add cpu feature for ring 3 monitor/mwait.
>
> Change-Id: Iba4d20639efd8d3637d37db9294cbc43a98f009a
Please no internal IDs in upstream submission.
> Signed-off-by: Grzegorz Andrejczuk <grzegorz.andrejc...@intel.com>
...
> diff --git a/arch/x86/include/asm/cpufeatures.h
> b/arch/x86/include/asm/cpufeatures.h
> index 92a8308..242cd16 100644
> --- a/arch/x86/include/asm/cpufeatures.h
> +++ b/arch/x86/include/asm/cpufeatures.h
> @@ -12,7 +12,7 @@
> /*
> * Defines x86 CPU feature bits
> */
> -#define NCAPINTS 18 /* N 32-bit words worth of info */
> +#define NCAPINTS 19 /* N 32-bit words worth of info */
> #define NBUGINTS 1 /* N 32-bit bug flags */
>
> /*
> @@ -286,6 +286,10 @@
> #define X86_FEATURE_SUCCOR (17*32+1) /* Uncorrectable error containment
> and recovery */
> #define X86_FEATURE_SMCA (17*32+3) /* Scalable MCA */
>
> +
> +/* non architectural Intel-defined CPU features not present in CPUID, word
> 18 */
> +#define X86_FEATURE_PHIR3MWAIT (18*32+ 0)
Please use init_scattered_cpuid_features() for the whole
thing. There are some free bits in word 3 for example, see
arch/x86/include/asm/cpufeatures.h.
--
Regards/Gruss,
Boris.
SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton, HRB 21284
(AG Nürnberg)
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