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authorSheng Yang <sheng@linux.intel.com>2010-06-13 17:29:39 +0800
committerAvi Kivity <avi@redhat.com>2010-08-01 10:46:37 +0300
commit2d5b5a665508c60577c1088e0405850a965b6795 (patch)
tree3549325770a39b0c7fd2b7f81aa6fa42295803e2 /arch/x86/include/asm/xsave.h
parent69b61833f7ce6e61e196c8a724e4d1278b24ac02 (diff)
downloadtalos-obmc-linux-2d5b5a665508c60577c1088e0405850a965b6795.tar.gz
talos-obmc-linux-2d5b5a665508c60577c1088e0405850a965b6795.zip
KVM: x86: XSAVE/XRSTOR live migration support
This patch enable save/restore of xsave state. Signed-off-by: Sheng Yang <sheng@linux.intel.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/xsave.h')
-rw-r--r--arch/x86/include/asm/xsave.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
index 29ee4e4c64cf..32c36668fa7b 100644
--- a/arch/x86/include/asm/xsave.h
+++ b/arch/x86/include/asm/xsave.h
@@ -13,8 +13,11 @@
#define FXSAVE_SIZE 512
-#define XSTATE_YMM_SIZE 256
-#define XSTATE_YMM_OFFSET (512 + 64)
+#define XSAVE_HDR_SIZE 64
+#define XSAVE_HDR_OFFSET FXSAVE_SIZE
+
+#define XSAVE_YMM_SIZE 256
+#define XSAVE_YMM_OFFSET (XSAVE_HDR_SIZE + XSAVE_HDR_OFFSET)
/*
* These are the features that the OS can handle currently.
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