AuxXxilium/linux_dsm_epyc7002
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KVM: x86 emulator: cleanup xchg emulation

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Dst operand is already initialized during decoding stage. No need to
reinitialize.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2010-04-28 19:15:24 +03:00 committed by Avi Kivity
parent 054fe9f6e3
commit f0c13ef1a8
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kvm/emulate.c
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@ -2804,8 +2804,8 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
break;
}
case 0x91 ... 0x97: /* xchg reg,rax */
c->src.type = c->dst.type = OP_REG;
c->src.bytes = c->dst.bytes = c->op_bytes;
c->src.type = OP_REG;
c->src.bytes = c->op_bytes;
c->src.ptr = (unsigned long *) &c->regs[VCPU_REGS_RAX];
c->src.val = *(c->src.ptr);
goto xchg;