On 08/04/2010 11:01 AM, Wei Yongjun wrote: > Signed-off-by: Wei Yongjun<yjwei@xxxxxxxxxxxxxx> > --- > arch/x86/kvm/emulate.c | 12 ++++-------- > 1 files changed, 4 insertions(+), 8 deletions(-) > > diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c > index eba5a67..c05a5d7 100644 > --- a/arch/x86/kvm/emulate.c > +++ b/arch/x86/kvm/emulate.c > @@ -2545,6 +2545,10 @@ done_prefixes: > break; > } > > + /* Only subword offset for BitOp: bt/bts/btr/btc. */ > + if (c->d& BitOp) > + c->src.val&= (c->op_bytes<< 3) - 1; > + You are doing this before the destination operand is decoded, which means you are not adjusting a memory operand anymore if c->src.val > (c->op_bytes * 8). Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
