commit fd5253658b403d51fc19e56ecb44c54a3071fded
author Gleb Natapov <gleb@redhat.com> Thu Mar 18 15:20:13 2010 +0200
committer Avi Kivity <avi@redhat.com> Mon May 17 12:16:09 2010 +0300
tree 45c887e9827e0cd25a636896886a8b7c00498833
parent 2e901c4cf4b550ad37840870246e835889cf7322

KVM: x86 emulator: do not call writeback if msr access fails.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

arch/x86/kvm/emulate.c

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 1393bf0..b89a8f2 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2563,7 +2563,7 @@
 			| ((u64)c->regs[VCPU_REGS_RDX] << 32);
 		if (kvm_set_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], msr_data)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
-			c->eip = ctxt->eip;
+			goto done;
 		}
 		rc = X86EMUL_CONTINUE;
 		c->dst.type = OP_NONE;
@@ -2572,7 +2572,7 @@
 		/* rdmsr */
 		if (kvm_get_msr(ctxt->vcpu, c->regs[VCPU_REGS_RCX], &msr_data)) {
 			kvm_inject_gp(ctxt->vcpu, 0);
-			c->eip = ctxt->eip;
+			goto done;
 		} else {
 			c->regs[VCPU_REGS_RAX] = (u32)msr_data;
 			c->regs[VCPU_REGS_RDX] = msr_data >> 32;