netdev - Re: [PATCH net 0/3] Fix bugs in Octeontx2 netdev driver

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Message-ID: <CALHRZuq1fqrGfuyoEuXhddeJ_u07mgBnUTmjixkW_2btrtZGHQ@mail.gmail.com>
Date:   Sat, 25 Jul 2020 10:11:22 +0530
From:   sundeep subbaraya <sundeep.lkml@...il.com>
To:     David Miller <davem@...emloft.net>
Cc:     Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org,
        sgoutham@...vell.com, Subbaraya Sundeep <sbhatta@...vell.com>
Subject: Re: [PATCH net 0/3] Fix bugs in Octeontx2 netdev driver

Hi David,

On Sat, Jul 25, 2020 at 8:40 AM David Miller <davem@...emloft.net> wrote:
>
> From: sundeep subbaraya <sundeep.lkml@...il.com>
> Date: Fri, 24 Jul 2020 08:40:44 +0530
>
> > On Fri, Jul 24, 2020 at 12:43 AM David Miller <davem@...emloft.net> wrote:
> >>
> >> If you leave interrupts on then an interrupt can arrive after the software
> >> state has been released by unregister_netdev.
> >>
> >> Sounds like you need to resolve this some other way.
> >
> > Only mailbox interrupts can arrive after unregister_netdev since
> > otx2_stop disables
> > the packet I/O and its interrupts as the first step.
> > And mbox interrupts are turned off after unregister_neetdev.
> > unregister_netdev(netdev);
> > otx2vf_disable_mbox_intr(vf);
>
> Please explain this in your commit message.
>
> Thank you.
Sure will change the commit message.

Thanks,
Sundeep