KVM: x86 emulator: fix writes to registers with modrm encodings
authorAvi Kivity <avi@qumranet.com>
Mon, 5 May 2008 11:58:26 +0000 (14:58 +0300)
committerAvi Kivity <avi@qumranet.com>
Sun, 18 May 2008 11:34:14 +0000 (14:34 +0300)
commit107d6d2efa9eb8c48d050936d8019230ac6b24cd
treefc1d94a18e3f909e31c900ac698811831ed0abb2
parentf26a3988917913b3d11b2bd741601a2c64ab9204
KVM: x86 emulator: fix writes to registers with modrm encodings

A register destination encoded with a mod=3 encoding left dst.ptr NULL.
Normally we don't trap writes to registers, but in the case of smsw, we do.

Fix by pointing dst.ptr at the destination register.

Signed-off-by: Avi Kivity <avi@qumranet.com>
arch/x86/kvm/x86_emulate.c
include/asm-x86/kvm_x86_emulate.h