On 02/28/2012 05:03 AM, Alexander Graf wrote:
>
> On 27.02.2012, at 20:28, Scott Wood wrote:
>
>> If there is a signal pending and MSR[WE] is set, we'll loop forever
>> without reaching this check.
>
> Good point. How about something like this on top (will fold in later)?
>
> diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
> index 430055e..9f27258 100644
> --- a/arch/powerpc/kvm/booke.c
> +++ b/arch/powerpc/kvm/booke.c
> @@ -477,15 +477,17 @@ static int kvmppc_prepare_to_enter(struct kvm_vcpu *vcpu)
> continue;
> }
>
> + if (signal_pending(current)) {
> + r = 1;
> + break;
> + }
> +
> if (kvmppc_core_prepare_to_enter(vcpu)) {
> /* interrupts got enabled in between, so we
> are back at square 1 */
> continue;
> }
>
> - if (signal_pending(current))
> - r = 1;
> -
> break;
> }
Looks OK.
-Scott
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