On 01/04/2012 03:10 AM, Alexander Graf wrote:
> From: Scott Wood <scottwood@xxxxxxxxxxxxx>
>
> Currently we check prior to returning from a lightweight exit,
> but not prior to initial entry.
>
> book3s already does a similar test.
>
> Signed-off-by: Scott Wood <scottwood@xxxxxxxxxxxxx>
> Signed-off-by: Alexander Graf <agraf@xxxxxxx>
> ---
> arch/powerpc/kvm/booke.c | 10 +++++++++-
> 1 files changed, 9 insertions(+), 1 deletions(-)
>
> diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
> index b642200..9c78589 100644
> --- a/arch/powerpc/kvm/booke.c
> +++ b/arch/powerpc/kvm/booke.c
> @@ -322,11 +322,19 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
> }
>
> local_irq_disable();
> +
> + if (signal_pending(current)) {
> + kvm_run->exit_reason = KVM_EXIT_INTR;
> + ret = -EINTR;
> + goto out;
> + }
> +
> kvm_guest_enter();
> ret = __kvmppc_vcpu_run(kvm_run, vcpu);
> kvm_guest_exit();
> - local_irq_enable();
>
>
In general a single check prior to entry is sufficient (well, in
addition to the one in kvm_vcpu_block()).
--
error compiling committee.c: too many arguments to function
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