[PATCH 29/58] KVM: x86 emulator: implement wbinvd

Avi Kivity
2007-06-17T09:44:10Z

Vista seems to trigger it.

Signed-off-by: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
---
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 7ade090..6123c02 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -152,7 +152,7 @@ static u8 opcode_table[256] = {
static u16 twobyte_table[256] = {
/* 0x00 - 0x0F */
0, SrcMem | ModRM | DstReg, 0, 0, 0, 0, ImplicitOps, 0,
- 0, 0, 0, 0, 0, ImplicitOps | ModRM, 0, 0,
+ 0, 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 */
@@ -1304,6 +1304,8 @@ twobyte_special_insn:
/* Disable writeback. */
dst.orig_val = dst.val;
switch (b) {
+ case 0x09: /* wbinvd */
+ break;
case 0x0d: /* GrpP (prefetch) */
case 0x18: /* Grp16 (prefetch/nop) */
break;