| From 1c0ad749f3793123d73ec1895a461aeb229fc461 Mon Sep 17 00:00:00 2001 |
| From: "H. Peter Anvin" <hpa@zytor.com> |
| Date: Wed, 7 Jul 2010 10:15:12 -0700 |
| Subject: [PATCH] x86, cpu: Add CPU flags for F16C and RDRND |
| |
| commit 24da9c26f3050aee9314ec09930a24c80fe76352 upstream. |
| |
| Add support for the newly documented F16C (16-bit floating point |
| conversions) and RDRND (RDRAND instruction) CPU feature flags. |
| |
| Signed-off-by: H. Peter Anvin <hpa@zytor.com> |
| Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> |
| |
| diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h |
| index 5d06401..0cfa2fb 100644 |
| --- a/arch/x86/include/asm/cpufeature.h |
| +++ b/arch/x86/include/asm/cpufeature.h |
| @@ -124,6 +124,8 @@ |
| #define X86_FEATURE_XSAVE (4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */ |
| #define X86_FEATURE_OSXSAVE (4*32+27) /* "" XSAVE enabled in the OS */ |
| #define X86_FEATURE_AVX (4*32+28) /* Advanced Vector Extensions */ |
| +#define X86_FEATURE_F16C (4*32+29) /* 16-bit fp conversions */ |
| +#define X86_FEATURE_RDRND (4*32+30) /* The RDRAND instruction */ |
| #define X86_FEATURE_HYPERVISOR (4*32+31) /* Running on a hypervisor */ |
| |
| /* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ |
| -- |
| 1.7.12.rc1.1.gbce1580 |
| |
