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    Subject[PATCH 8/15 -tip] x86: Add cpufeature for Platform feature
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    Date

    X86_FEATURE_PLATFORM : Platform Feature MSR_PLATFORM_BRV

    Signed-off-by: Jaswinder Singh Rajput <jaswinderrajput@gmail.com>
    ---
    arch/x86/include/asm/cpufeature.h | 1 +
    arch/x86/kernel/cpu/intel.c | 7 +++++++
    2 files changed, 8 insertions(+), 0 deletions(-)

    diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
    index f9e8a02..6eb9134 100644
    --- a/arch/x86/include/asm/cpufeature.h
    +++ b/arch/x86/include/asm/cpufeature.h
    @@ -162,6 +162,7 @@
    #define X86_FEATURE_SOFT_POWERON (7*32+ 7) /* Soft Poweron configuration*/
    #define X86_FEATURE_FSB_FREQ (7*32+ 8) /* Scaleable bus speed */
    #define X86_FEATURE_MISC (7*32+ 9) /* Miscellaneous features */
    +#define X86_FEATURE_PLATFORM (7*32+ 10) /* Platform feature */

    /* Virtualization flags: Linux defined */
    #define X86_FEATURE_TPR_SHADOW (8*32+ 0) /* Intel TPR Shadow */
    diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
    index f63b151..9c8f386 100644
    --- a/arch/x86/kernel/cpu/intel.c
    +++ b/arch/x86/kernel/cpu/intel.c
    @@ -461,6 +461,13 @@ static void __cpuinit init_intel(struct cpuinfo_x86 *c)

    /* Miscellaneous Features IA32_MISC_ENABLE */
    set_cpu_cap(c, X86_FEATURE_MISC);
    +
    + switch (c->x86_model) {
    + case 3: case 4: case 6:
    + /* Platform Feature MSR_PLATFORM_BRV */
    + set_cpu_cap(c, X86_FEATURE_PLATFORM);
    + break;
    + }
    }
    }

    --
    1.6.0.6




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