[PATCH 15/50] KVM: x86_emulator: no writeback for bt

[Avi Kivity]

From: Qing He <qing.he@xxxxxxxxx>

Signed-off-by: Qing He <qing.he@xxxxxxxxx>
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
---
 drivers/kvm/x86_emulate.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 8b0186f..fe50317 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -1629,6 +1629,7 @@ twobyte_insn:
 		break;
 	case 0xa3:
 	      bt:		/* bt */
+		c->dst.type = OP_NONE;
 		/* only subword offset */
 		c->src.val &= (c->dst.bytes << 3) - 1;
 		emulate_2op_SrcV_nobyte("bt", c->src, c->dst, ctxt->eflags);
-- 
1.5.3.7

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