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 <20201019090657.131-2-zhenzhong.duan@gmail.com> <7eec99d5-e36b-ee5b-5b6c-1486e453a083@redhat.com>
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From:   Zhenzhong Duan <zhenzhong.duan@gmail.com>
Date:   Tue, 20 Oct 2020 18:12:08 +0800
Message-ID: <CAFH1YnNZ2WPbNOCnFGPaL=L7TrSUXhzVT_kGpskXj=CTnZPHvQ@mail.gmail.com>
Subject: Re: [PATCH 2/2] KVM: not link irqfd with a fake IRQ bypass producer
To:     Jason Wang <jasowang@redhat.com>
Cc:     linux-kernel <linux-kernel@vger.kernel.org>,
        virtualization@lists.linux-foundation.org, kvm@vger.kernel.org,
        netdev@vger.kernel.org, pbonzini@redhat.com,
        sean.j.christopherson@intel.com, vkuznets@redhat.com,
        wanpengli@tencent.com, jmattson@google.com,
        Joerg Roedel <joro@8bytes.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        mst@redhat.com
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On Tue, Oct 20, 2020 at 2:32 PM Jason Wang <jasowang@redhat.com> wrote:
>
>
> On 2020/10/19 =E4=B8=8B=E5=8D=885:06, 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