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authorRobert Richter <robert.richter@amd.com>2010-07-21 17:03:54 (GMT)
committerH. Peter Anvin <hpa@linux.intel.com>2010-07-21 21:06:04 (GMT)
commitee813d53a8e980a3a28318efb8935d45723f5211 (patch)
tree4729849d80a1fde57071b3baacdae78528348a68 /arch/x86/include/asm/xsave.h
parent97e80a70db689fb1e876df9f12305cc72f85ca53 (diff)
downloadlinux-ee813d53a8e980a3a28318efb8935d45723f5211.tar.xz
x86, xsave: Check cpuid level for XSTATE_CPUID (0x0d)
The patch introduces the XSTATE_CPUID macro and adds a check that tests if XSTATE_CPUID exists. Signed-off-by: Robert Richter <robert.richter@amd.com> LKML-Reference: <1279731838-1522-4-git-send-email-robert.richter@amd.com> Acked-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/include/asm/xsave.h')
-rw-r--r--arch/x86/include/asm/xsave.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
index 4d3b5d1..d1b5f3a 100644
--- a/arch/x86/include/asm/xsave.h
+++ b/arch/x86/include/asm/xsave.h
@@ -4,6 +4,8 @@
#include <linux/types.h>
#include <asm/processor.h>
+#define XSTATE_CPUID 0x0000000d
+
#define XSTATE_FP 0x1
#define XSTATE_SSE 0x2
#define XSTATE_YMM 0x4