On 25/08/2015 10:50, Feng Wu wrote:
> Define two weak arch callbacks so that archs that don't need
> them don't need define them.
>
> Signed-off-by: Feng Wu <feng.wu@xxxxxxxxx>
> ---
> virt/kvm/eventfd.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
> index d7a230f..f3050b9 100644
> --- a/virt/kvm/eventfd.c
> +++ b/virt/kvm/eventfd.c
> @@ -256,6 +256,16 @@ static void irqfd_update(struct kvm *kvm, struct kvm_kernel_irqfd *irqfd)
> write_seqcount_end(&irqfd->irq_entry_sc);
> }
>
> +void __attribute__((weak)) kvm_arch_irq_bypass_stop(
> + struct irq_bypass_consumer *cons)
> +{
> +}
> +
> +void __attribute__((weak)) kvm_arch_irq_bypass_start(
> + struct irq_bypass_consumer *cons)
> +{
> +}
> +
> static int
> kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
> {
>
This would belong into the patch that adds CONFIG_KVM_HAVE_IRQ_BYPASS
(and the functions should be under "#ifdef CONFIG_KVM_HAVE_IRQ_BYPASS").
Paolo
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