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Re: [PATCH v7 11/17] KVM: Define two weak arch callbacks for irq bypass manager

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  Re: [PATCH v7 11/17] KVM: Define two weak arch callbacks for irq  bypass manager Paolo Bonzini <pbonzini@redhat.com> - 2015-09-11 12:50 +0200

#1222706 — Re: [PATCH v7 11/17] KVM: Define two weak arch callbacks for irq bypass manager

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@intel.com>
> ---
>  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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