linux-kernel - Re: [PATCH 2/2] KVM: not link irqfd with a fake IRQ bypass producer

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Message-ID: <CAFH1YnNZ2WPbNOCnFGPaL=L7TrSUXhzVT_kGpskXj=CTnZPHvQ@mail.gmail.com>
Date:   Tue, 20 Oct 2020 18:12:08 +0800
From:   Zhenzhong Duan <zhenzhong.duan@...il.com>
To:     Jason Wang <jasowang@...hat.com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        netdev@...r.kernel.org, pbonzini@...hat.com,
        sean.j.christopherson@...el.com, vkuznets@...hat.com,
        wanpengli@...cent.com, jmattson@...gle.com,
        Joerg Roedel <joro@...tes.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        mst@...hat.com
Subject: Re: [PATCH 2/2] KVM: not link irqfd with a fake IRQ bypass producer

On Tue, Oct 20, 2020 at 2:32 PM Jason Wang <jasowang@...hat.com> 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