[ 157/180] x86, cpu: Add CPU flags for F16C and RDRND

From: Willy Tarreau
Date: Mon Oct 01 2012 - 20:10:17 EST


2.6.32-longterm review patch. If anyone has any objections, please let me know.

------------------

From: H. Peter Anvin <hpa@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
Signed-off-by: Willy Tarreau <w@xxxxxx>
---
arch/x86/include/asm/cpufeature.h | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 1efb1fa..84d5337 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 */
--
1.7.2.1.45.g54fbc



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