[Xen-devel] [PATCH 10/10] x86/hvm: pkeys, add xstate support for pkeys

[Huaitong Han <huaitong.han@xxxxxxxxx>]

This patch adds xstate support for pkeys.

Signed-off-by: Huaitong Han <huaitong.han@xxxxxxxxx>

diff --git a/xen/include/asm-x86/xstate.h b/xen/include/asm-x86/xstate.h
index 4c690db..5674f3e 100644
--- a/xen/include/asm-x86/xstate.h
+++ b/xen/include/asm-x86/xstate.h
@@ -33,13 +33,14 @@
 #define XSTATE_OPMASK  (1ULL << 5)
 #define XSTATE_ZMM     (1ULL << 6)
 #define XSTATE_HI_ZMM  (1ULL << 7)
+#define XSTATE_PKRU    (1ULL << 9)
 #define XSTATE_LWP     (1ULL << 62) /* AMD lightweight profiling */
 #define XSTATE_FP_SSE  (XSTATE_FP | XSTATE_SSE)
 #define XCNTXT_MASK    (XSTATE_FP | XSTATE_SSE | XSTATE_YMM | XSTATE_OPMASK | \
                         XSTATE_ZMM | XSTATE_HI_ZMM | XSTATE_NONLAZY)
 
 #define XSTATE_ALL     (~(1ULL << 63))
-#define XSTATE_NONLAZY (XSTATE_LWP | XSTATE_BNDREGS | XSTATE_BNDCSR)
+#define XSTATE_NONLAZY (XSTATE_LWP | XSTATE_BNDREGS | XSTATE_BNDCSR | 
XSTATE_PKRU)
 #define XSTATE_LAZY    (XSTATE_ALL & ~XSTATE_NONLAZY)
 
 extern u64 xfeature_mask;
-- 
2.4.3


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