linux-kernel - [PATCH 4/5] KVM: x86 emulator: invd instruction

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Message-Id: <11945181303753-git-send-email-avi@qumranet.com>
Date:	Thu,  8 Nov 2007 12:35:29 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, Avi Kivity <avi@...ranet.com>
Subject: [PATCH 4/5] KVM: x86 emulator: invd instruction

Emulate the 'invd' instruction (opcode 0f 08).

Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 drivers/kvm/x86_emulate.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index da0cdd5..33b1814 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -167,7 +167,7 @@ static u8 opcode_table[256] = {
 static u16 twobyte_table[256] = {
 	/* 0x00 - 0x0F */
 	0, SrcMem | ModRM | DstReg, 0, 0, 0, 0, ImplicitOps, 0,
-	0, ImplicitOps, 0, 0, 0, ImplicitOps | ModRM, 0, 0,
+	ImplicitOps, ImplicitOps, 0, 0, 0, ImplicitOps | ModRM, 0, 0,
 	/* 0x10 - 0x1F */
 	0, 0, 0, 0, 0, 0, 0, 0, ImplicitOps | ModRM, 0, 0, 0, 0, 0, 0, 0,
 	/* 0x20 - 0x2F */
@@ -1532,6 +1532,8 @@ twobyte_special_insn:
 	case 0x06:
 		emulate_clts(ctxt->vcpu);
 		break;
+	case 0x08:		/* invd */
+		break;
 	case 0x09:		/* wbinvd */
 		break;
 	case 0x0d:		/* GrpP (prefetch) */
-- 
1.5.3

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