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Date:   Fri, 30 Apr 2021 19:21:45 -0700
From:   Jesse Brandeburg <jesse.brandeburg@intel.com>
To:     Nitesh Lal <nilal@redhat.com>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        "frederic@kernel.org" <frederic@kernel.org>,
        "juri.lelli@redhat.com" <juri.lelli@redhat.com>,
        Marcelo Tosatti <mtosatti@redhat.com>, abelits@marvell.com,
        Robin Murphy <robin.murphy@arm.com>,
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        netdev@vger.kernel.org, chris.friesen@windriver.com
Subject: Re: [Patch v4 1/3] lib: Restrict cpumask_local_spread to
 houskeeping CPUs
Message-ID: <20210430192145.00000e23@intel.com>
In-Reply-To: <CAFki+L=_dd+JgAR12_eBPX0kZO2_6=1dGdgkwHE=u=K6chMeLQ@mail.gmail.com>
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        <20210406102207.0000485c@intel.com>
        <1a044a14-0884-eedb-5d30-28b4bec24b23@redhat.com>
        <20210414091100.000033cf@intel.com>
        <54ecc470-b205-ea86-1fc3-849c5b144b3b@redhat.com>
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        <CAFki+LmmRyvOkWoNNLk5JCwtaTnabyaRUKxnS+wyAk_kj8wzyw@mail.gmail.com>
        <87sg37eiqa.ffs@nanos.tec.linutronix.de>
        <CAFki+L=_dd+JgAR12_eBPX0kZO2_6=1dGdgkwHE=u=K6chMeLQ@mail.gmail.com>
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Nitesh Lal wrote:

> On Fri, Apr 30, 2021 at 2:21 PM Thomas Gleixner <tglx@linutronix.de> wrote:
> >
> > Nitesh,
> >
> > On Fri, Apr 30 2021 at 12:14, Nitesh Lal wrote:
> > > Based on this analysis and the fact that with your re-work the interrupts
> > > seems to be naturally spread across the CPUs, will it be safe to revert
> > > Jesse's patch
> > >
> > > e2e64a932 genirq: Set initial affinity in irq_set_affinity_hint()
> > >
> > > as it overwrites the previously set IRQ affinity mask for some of the
> > > devices?
> >
> > That's a good question. My gut feeling says yes.
> >
> 
> Jesse do you want to send the revert for the patch?
> 
> Also, I think it was you who suggested cc'ing
> intel-wired-lan ml as that allows intel folks, to do some initial
> testing?
> If so, we can do that here (IMHO).

Patch sent here:
https://lore.kernel.org/lkml/20210501021832.743094-1-jesse.brandeburg@intel.com/T/#u

Any testing appreciated!

Jesse