| From stable-bounces@linux.kernel.org Sun Dec 2 03:18:46 2007 |
| From: Avi Kivity <avi@qumranet.com> |
| Date: Sun, 2 Dec 2007 13:18:40 +0200 |
| Subject: [stable] [PATCH 03/10] KVM: x86 emulator: invd instruction |
| To: stable@kernel.org |
| Cc: kvm-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Avi Kivity <avi@qumranet.com> |
| Message-ID: <1196594327589-git-send-email-avi@qumranet.com> |
| |
| From: Avi Kivity <avi@qumranet.com> |
| |
| patch 651a3e29b3d19418d7a8a9787906061f9be7cc5f in mainline. |
| |
| Emulate the 'invd' instruction (opcode 0f 08). |
| |
| Signed-off-by: Avi Kivity <avi@qumranet.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
| |
| --- |
| drivers/kvm/x86_emulate.c | 4 +++- |
| 1 file changed, 3 insertions(+), 1 deletion(-) |
| |
| --- 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) */ |
