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| author | Gleb Natapov <gleb@redhat.com> | 2010-08-02 12:47:51 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:50:29 +0200 |
| commit | 4fc40f076f4fa289dd546990b597351c9cdad985 (patch) | |
| tree | 589e394aee1efb859a398438ced6326a5df3f97e /arch/x86/kvm/x86.c | |
| parent | 9928ff608b1b6ba10fafde85f57970a83a181331 (diff) | |
| download | lwn-4fc40f076f4fa289dd546990b597351c9cdad985.tar.gz lwn-4fc40f076f4fa289dd546990b597351c9cdad985.zip | |
KVM: x86 emulator: check io permissions only once for string pio
Do not recheck io permission on every iteration.
Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.c')
| -rw-r--r-- | arch/x86/kvm/x86.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 3cbe8032394a..35c0f4e4a621 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3997,6 +3997,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu, memcpy(c->regs, vcpu->arch.regs, sizeof c->regs); vcpu->arch.emulate_ctxt.interruptibility = 0; vcpu->arch.emulate_ctxt.exception = -1; + vcpu->arch.emulate_ctxt.perm_ok = false; r = x86_decode_insn(&vcpu->arch.emulate_ctxt); trace_kvm_emulate_insn_start(vcpu); |