From: Gleb Natapov <gleb@redhat.com>
To: avi@redhat.com, mtosatti@redhat.com
Cc: kvm@vger.kernel.org
Subject: [PATCH] KVM: Fix properties of instructions in group 1_82
Date: Thu, 11 Feb 2010 12:41:10 +0200 [thread overview]
Message-ID: <20100211104110.GO2995@redhat.com> (raw)
Instructions with opcode 82 are not valid in 64bit mode and can be
locked.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index f7bb5ef..741b0be 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -310,10 +310,14 @@ static u32 group_table[] = {
DstMem | SrcImm | ModRM | Lock,
DstMem | SrcImm | ModRM,
[Group1_82*8] =
- ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
- ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
- ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
- ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
+ ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+ ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+ ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+ ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+ ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+ ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+ ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+ ByteOp | DstMem | SrcImm | ModRM | No64,
[Group1_83*8] =
DstMem | SrcImmByte | ModRM | Lock,
DstMem | SrcImmByte | ModRM | Lock,
--
Gleb.
next reply other threads:[~2010-02-11 10:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-11 10:41 Gleb Natapov [this message]
2010-02-11 10:48 ` [PATCH] KVM: Fix properties of instructions in group 1_82 Avi Kivity
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