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| author | Avi Kivity <avi@qumranet.com> | 2007-07-22 15:51:58 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2007-10-13 10:18:19 +0200 |
| commit | 394b6e5944865a558fe25f0c5903b34c434038ee (patch) | |
| tree | 506650eb8e2b4c4e1f553bcc0cc568a65f99c357 | |
| parent | e3243452f4f35ed5f79d575100521bf257504b81 (diff) | |
| download | lwn-394b6e5944865a558fe25f0c5903b34c434038ee.tar.gz lwn-394b6e5944865a558fe25f0c5903b34c434038ee.zip | |
KVM: x86 emulator: fix faulty check for two-byte opcode
Right now, the bug is harmless as we never emulate one-byte 0xb6 or 0xb7.
But things may change.
Noted by the mysterious Gabriel C.
Signed-off-by: Avi Kivity <avi@qumranet.com>
| -rw-r--r-- | drivers/kvm/x86_emulate.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index 82b4ea62c982..ef7518a2d7ac 100644 --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -819,7 +819,7 @@ done_prefixes: case DstReg: dst.type = OP_REG; if ((d & ByteOp) - && !(twobyte_table && (b == 0xb6 || b == 0xb7))) { + && !(twobyte && (b == 0xb6 || b == 0xb7))) { dst.ptr = decode_register(modrm_reg, _regs, (rex_prefix == 0)); dst.val = *(u8 *) dst.ptr; |