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KVM: allow emulator to adjust rip for emulated pio instructions

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If we call the emulator we shouldn't call skip_emulated_instruction()
in the first place, since the emulator already computes the next rip
for us. Thus we move ->skip_emulated_instruction() out of
kvm_emulate_pio() and into handle_io() (and the svm equivalent). We
also replaced "return 0" by "break" in the "do_io:" case because now
the shadow register state needs to be committed. Otherwise eip will never
be updated.

Signed-off-by: Guillaume Thouvenin <guillaume.thouvenin@ext.bull.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Guillaume Thouvenin
2008-10-28 10:51:30 +01:00
committed by Avi Kivity
parent c0d09828c8
commit e93f36bcfa
4 changed files with 3 additions and 3 deletions
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arch/x86/kvm/vmx.c
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@@ -2687,6 +2687,7 @@ static int handle_io(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
rep = (exit_qualification & 32) != 0;
port = exit_qualification >> 16;
skip_emulated_instruction(vcpu);
return kvm_emulate_pio(vcpu, kvm_run, in, size, port);
}