linux-kernel - [PATCH 03/10] KVM: x86 emulator: invd instruction

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Message-Id: <1196594327589-git-send-email-avi@qumranet.com>
Date:	Sun,  2 Dec 2007 13:18:40 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	stable@...nel.org
Cc:	linux-kernel@...r.kernel.org, kvm-devel@...ts.sourceforge.net,
	Avi Kivity <avi@...ranet.com>
Subject: [PATCH 03/10] 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 08cd4a3..14ad4b4 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -156,7 +156,7 @@ 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 */
@@ -1353,6 +1353,8 @@ twobyte_special_insn:
 	/* Disable writeback. */
 	no_wb = 1;
 	switch (b) {
+	case 0x08:		/* invd */
+		break;
 	case 0x09:		/* wbinvd */
 		break;
 	case 0x0d:		/* GrpP (prefetch) */
-- 
1.5.3

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