Le mercredi 20 août 2008 à 14:01 +0000, Avi Kivity a écrit :
> From: Avi Kivity <[EMAIL PROTECTED]>
>
> Emulation requires access to user memory, and potentially schedules.
>
> Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
>
> diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
> index d5d25a2..81c121c 100644
> --- a/arch/x86/kvm/vmx.c
> +++ b/arch/x86/kvm/vmx.c
> @@ -2911,6 +2911,9 @@ static void handle_invalid_guest_state(struct kvm_vcpu
> *vcpu,
> struct vcpu_vmx *vmx = to_vmx(vcpu);
> int err;
>
> + preempt_enable();
> + local_irq_enable();
> +
> while (!guest_state_valid(vcpu)) {
> err = emulate_instruction(vcpu, kvm_run, 0, 0, 0);
>
> @@ -2932,6 +2935,9 @@ static void handle_invalid_guest_state(struct kvm_vcpu
> *vcpu,
> schedule();
> }
>
> + local_irq_disable();
> + preempt_enable();
should be a preempt_disable() ?
> /* Guest state should be valid now, no more emulation should be needed
> */
> vmx->emulation_required = 0;
> }
> --
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