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From: Greg KH on 12 Mar 2010 19:50
2.6.32-stable review patch. If anyone has any objections, please let me know.

----------------
From: Gleb Natapov <gleb(a)redhat.com>

commit 60a29d4ea4e7b6b95d9391ebc8625b0426f3a363 upstream.

Use groups mechanism to decode 0F C7 instructions.

Signed-off-by: Gleb Natapov <gleb(a)redhat.com>
Signed-off-by: Avi Kivity <avi(a)redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh(a)suse.de>

---
arch/x86/kvm/emulate.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -86,7 +86,7 @@
enum {
Group1_80, Group1_81, Group1_82, Group1_83,
Group1A, Group3_Byte, Group3, Group4, Group5, Group7,
- Group8,
+ Group8, Group9,
};

static u32 opcode_table[256] = {
@@ -263,7 +263,8 @@ static u32 twobyte_table[256] = {
0, 0, ByteOp | DstReg | SrcMem | ModRM | Mov,
DstReg | SrcMem16 | ModRM | Mov,
/* 0xC0 - 0xCF */
- 0, 0, 0, DstMem | SrcReg | ModRM | Mov, 0, 0, 0, ImplicitOps | ModRM,
+ 0, 0, 0, DstMem | SrcReg | ModRM | Mov,
+ 0, 0, 0, Group | GroupDual | Group9,
0, 0, 0, 0, 0, 0, 0, 0,
/* 0xD0 - 0xDF */
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -319,6 +320,8 @@ static u32 group_table[] = {
0, 0, 0, 0,
DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
+ [Group9*8] =
+ 0, ImplicitOps | ModRM, 0, 0, 0, 0, 0, 0,
};

static u32 group2_table[] = {
@@ -326,6 +329,8 @@ static u32 group2_table[] = {
SrcNone | ModRM, 0, 0, SrcNone | ModRM,
SrcNone | ModRM | DstMem | Mov, 0,
SrcMem16 | ModRM | Mov, 0,
+ [Group9*8] =
+ 0, 0, 0, 0, 0, 0, 0, 0,
};

/* EFLAGS bit definitions. */


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