projects
/
profile
/
ivi
/
kernel-x86-ivi.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
d1fa035
)
KVM: X86 emulator: fix source operand decoding for 8bit mov[zs]x instructions
author
Gleb Natapov
<gleb@redhat.com>
Wed, 24 Apr 2013 10:38:36 +0000
(13:38 +0300)
committer
Gleb Natapov
<gleb@redhat.com>
Thu, 25 Apr 2013 07:03:50 +0000
(10:03 +0300)
Source operand for one byte mov[zs]x is decoded incorrectly if it is in
high byte register. Fix that.
Cc: stable@vger.kernel.org
Signed-off-by: Gleb Natapov <gleb@redhat.com>
arch/x86/kvm/emulate.c
patch
|
blob
|
history
diff --git
a/arch/x86/kvm/emulate.c
b/arch/x86/kvm/emulate.c
index
46f63b8
..
8e517bb
100644
(file)
--- a/
arch/x86/kvm/emulate.c
+++ b/
arch/x86/kvm/emulate.c
@@
-4172,6
+4172,10
@@
static int decode_operand(struct x86_emulate_ctxt *ctxt, struct operand *op,
break;
case OpMem8:
ctxt->memop.bytes = 1;
+ if (ctxt->memop.type == OP_REG) {
+ ctxt->memop.addr.reg = decode_register(ctxt, ctxt->modrm_rm, 1);
+ fetch_register_operand(&ctxt->memop);
+ }
goto mem_common;
case OpMem16:
ctxt->memop.bytes = 2;