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-rw-r--r--arch/x86/kvm/x86_emulate.c7
-rw-r--r--include/asm-x86/kvm_x86_emulate.h1
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index f2a696d6a243..8a96320ab071 100644
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -677,8 +677,9 @@ static int decode_modrm(struct x86_emulate_ctxt *ctxt,
677 c->use_modrm_ea = 1; 677 c->use_modrm_ea = 1;
678 678
679 if (c->modrm_mod == 3) { 679 if (c->modrm_mod == 3) {
680 c->modrm_val = *(unsigned long *) 680 c->modrm_ptr = decode_register(c->modrm_rm,
681 decode_register(c->modrm_rm, c->regs, c->d & ByteOp); 681 c->regs, c->d & ByteOp);
682 c->modrm_val = *(unsigned long *)c->modrm_ptr;
682 return rc; 683 return rc;
683 } 684 }
684 685
@@ -1005,6 +1006,7 @@ done_prefixes:
1005 if ((c->d & ModRM) && c->modrm_mod == 3) { 1006 if ((c->d & ModRM) && c->modrm_mod == 3) {
1006 c->src.type = OP_REG; 1007 c->src.type = OP_REG;
1007 c->src.val = c->modrm_val; 1008 c->src.val = c->modrm_val;
1009 c->src.ptr = c->modrm_ptr;
1008 break; 1010 break;
1009 } 1011 }
1010 c->src.type = OP_MEM; 1012 c->src.type = OP_MEM;
@@ -1049,6 +1051,7 @@ done_prefixes:
1049 if ((c->d & ModRM) && c->modrm_mod == 3) { 1051 if ((c->d & ModRM) && c->modrm_mod == 3) {
1050 c->dst.type = OP_REG; 1052 c->dst.type = OP_REG;
1051 c->dst.val = c->dst.orig_val = c->modrm_val; 1053 c->dst.val = c->dst.orig_val = c->modrm_val;
1054 c->dst.ptr = c->modrm_ptr;
1052 break; 1055 break;
1053 } 1056 }
1054 c->dst.type = OP_MEM; 1057 c->dst.type = OP_MEM;
diff --git a/include/asm-x86/kvm_x86_emulate.h b/include/asm-x86/kvm_x86_emulate.h
index d6337f941c98..b877bbd2d3a7 100644
--- a/include/asm-x86/kvm_x86_emulate.h
+++ b/include/asm-x86/kvm_x86_emulate.h
@@ -135,6 +135,7 @@ struct decode_cache {
135 u8 modrm_rm; 135 u8 modrm_rm;
136 u8 use_modrm_ea; 136 u8 use_modrm_ea;
137 unsigned long modrm_ea; 137 unsigned long modrm_ea;
138 void *modrm_ptr;
138 unsigned long modrm_val; 139 unsigned long modrm_val;
139 struct fetch_cache fetch; 140 struct fetch_cache fetch;
140}; 141};