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From: Gleb Natapov <gleb@redhat.com>
To: mtosatti@redhat.com, avi@redhat.com
Cc: kvm@vger.kernel.org
Subject: [PATCH] emulator: inc/dec can have lock prefix
Date: Tue, 13 Jul 2010 16:40:23 +0300	[thread overview]
Message-ID: <20100713134023.GA1891@redhat.com> (raw)

Mark inc (0xfe/0 0xff/0) and dec (0xfe/1 0xff/1) as lock prefix capable.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 255473f..b38bd8b 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -345,10 +345,10 @@ static u32 group_table[] = {
 	DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM,
 	0, 0, 0, 0,
 	[Group4*8] =
-	ByteOp | DstMem | SrcNone | ModRM, ByteOp | DstMem | SrcNone | ModRM,
+	ByteOp | DstMem | SrcNone | ModRM | Lock, ByteOp | DstMem | SrcNone | ModRM | Lock,
 	0, 0, 0, 0, 0, 0,
 	[Group5*8] =
-	DstMem | SrcNone | ModRM, DstMem | SrcNone | ModRM,
+	DstMem | SrcNone | ModRM | Lock, DstMem | SrcNone | ModRM | Lock,
 	SrcMem | ModRM | Stack, 0,
 	SrcMem | ModRM | Stack, SrcMemFAddr | ModRM | ImplicitOps,
 	SrcMem | ModRM | Stack, 0,
--
			Gleb.

             reply	other threads:[~2010-07-13 13:40 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-13 13:40 Gleb Natapov [this message]
2010-07-13 13:54 ` [PATCH] emulator: inc/dec can have lock prefix Avi Kivity
2010-07-13 13:58   ` Gleb Natapov
2010-07-13 16:52     ` Avi Kivity
2010-07-14  0:09 ` Marcelo Tosatti

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