1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 1f979cb0df31..4b8a0cc9665e 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -1217,11 +1217,13 @@ twobyte_insn:
                 }
                 break;
         case 0x21: /* mov from dr to reg */
+                no_wb = 1;
                 if (modrm_mod != 3)
                         goto cannot_emulate;
                 rc = emulator_get_dr(ctxt, modrm_reg, &_regs[modrm_rm]);
                 break;
         case 0x23: /* mov from reg to dr */
+                no_wb = 1;
                 if (modrm_mod != 3)
                         goto cannot_emulate;
                 rc = emulator_set_dr(ctxt, modrm_reg, _regs[modrm_rm]);