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