linux-kernel - Re: [PATCH V2 2/2] net: Fixup virtnet_set

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Message-ID: <CAJF2gTTuPmd8MPK5vwWfKTLv+unjr=+Q8KOTzCmq5LHipKX62Q@mail.gmail.com>
Date:   Fri, 14 Oct 2022 18:04:58 +0800
From:   Guo Ren <guoren@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, linux@...musvillemoes.dk, yury.norov@...il.com,
        caraitto@...gle.com, willemb@...gle.com, jonolson@...gle.com,
        amritha.nambiar@...el.com, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Guo Ren <guoren@...ux.alibaba.com>
Subject: Re: [PATCH V2 2/2] net: Fixup virtnet_set_affinity() cause cpumask warning

On Fri, Oct 14, 2022 at 6:00 PM Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:
>
> On Thu, Oct 13, 2022 at 11:04:59PM -0400, guoren@...nel.org wrote:
> > From: Guo Ren <guoren@...ux.alibaba.com>
> >
> > Don't pass nr_bits-1 as arg1 for cpumask_next_wrap, which would
> > cause warning now 78e5a3399421 ("cpumask: fix checking valid
> > cpu range").
>
> > ------------[ cut here ]------------
> > WARNING: CPU: 0 PID: 1 at include/linux/cpumask.h:110 cpumask_next_wrap+0x5c/0x80
> > Modules linked in:
>
> Submitting Patches document suggests to cut this huge warning to only what
> makes sense to see in the report.
Okay
>
> --
> With Best Regards,
> Andy Shevchenko
>
>


-- 
Best Regards
 Guo Ren