# Re: \[PATCH 2/2\] KVM: not link irqfd with a fake IRQ bypass producer

- From: Zhenzhong Duan \<hidden\>
- Date: 2020-10-20 10:12:24 
- List: netdev
- Page: https://ratatoskr.run/netdev/2020/10/6144766
- Thread: https://ratatoskr.run/kvm/2020/10/6143546/t.md

```text
On Tue, Oct 20, 2020 at 2:32 PM Jason Wang [ref] wrote:
>
>
> On 2020/10/19 下午5:06, Zhenzhong Duan wrote:
> > In case failure to setup Post interrupt for an IRQ, it make no sense
> > to assign irqfd->producer to the producer.
> >
> > This change makes code more robust.
>
>
> It's better to describe what issue we will get without this patch.

I didn't see an issue without this patch.

Regards
Zhenzhong
```