From e0dac408d08c2a5e1bed2a6a9da7f3af3f7a9827 Mon Sep 17 00:00:00 2001 From: Takuya Yoshikawa Date: Tue, 6 Dec 2011 18:07:27 +0900 Subject: [PATCH] KVM: x86 emulator: Use opcode::execute for Group 9 instruction Group 9: 0F C7 Rename em_grp9() to em_cmpxchg8b() and register it. Signed-off-by: Takuya Yoshikawa Signed-off-by: Avi Kivity --- arch/x86/kvm/emulate.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 5b78785de41b..de7be77820d5 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -1784,7 +1784,7 @@ static int em_grp45(struct x86_emulate_ctxt *ctxt) return rc; } -static int em_grp9(struct x86_emulate_ctxt *ctxt) +static int em_cmpxchg8b(struct x86_emulate_ctxt *ctxt) { u64 old = ctxt->dst.orig_val64; @@ -3261,7 +3261,7 @@ static struct opcode group8[] = { }; static struct group_dual group9 = { { - N, D(DstMem64 | ModRM | Lock | PageTable), N, N, N, N, N, N, + N, I(DstMem64 | ModRM | Lock | PageTable, em_cmpxchg8b), N, N, N, N, N, N, }, { N, N, N, N, N, N, N, N, } }; @@ -4202,9 +4202,6 @@ int x86_emulate_insn(struct x86_emulate_ctxt *ctxt) ctxt->dst.val = (ctxt->op_bytes == 4) ? (u32) ctxt->src.val : (u64) ctxt->src.val; break; - case 0xc7: /* Grp9 (cmpxchg8b) */ - rc = em_grp9(ctxt); - break; default: goto cannot_emulate; }