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From:   Nitesh Lal <nilal@redhat.com>
Date:   Fri, 10 Dec 2021 08:51:39 -0500
Message-ID: <CAFki+L=5sLN+nU+YpSSrQN0zkAOKrJorevm0nQ+KdwCpnOzf3w@mail.gmail.com>
Subject: Re: [PATCH v6 00/14] genirq: Cleanup the abuse of irq_set_affinity_hint()
To:     "Martin K. Petersen" <martin.petersen@oracle.com>
Cc:     Juri Lelli <juri.lelli@redhat.com>,
        Dick Kennedy <dick.kennedy@broadcom.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Marcelo Tosatti <mtosatti@redhat.com>,
        linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org,
        linux-scsi@vger.kernel.org, netdev@vger.kernel.org,
        davem@davemloft.net, ajit.khaparde@broadcom.com,
        sriharsha.basavapatna@broadcom.com, somnath.kotur@broadcom.com,
        huangguangbin2@huawei.com, huangdaode@huawei.com,
        Frederic Weisbecker <frederic@kernel.org>,
        Alex Belits <abelits@marvell.com>,
        Bjorn Helgaas <bhelgaas@google.com>, rostedt@goodmis.org,
        Peter Zijlstra <peterz@infradead.org>,
        Jesse Brandeburg <jesse.brandeburg@intel.com>,
        Robin Murphy <robin.murphy@arm.com>,
        Ingo Molnar <mingo@kernel.org>, jbrandeb@kernel.org,
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        stephen@networkplumber.org, rppt@linux.vnet.ibm.com,
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        Tomas Henzl <thenzl@redhat.com>, james.smart@broadcom.com,
        Ken Cox <jkc@redhat.com>, faisal.latif@intel.com,
        shiraz.saleem@intel.com, tariqt@nvidia.com,
        Alaa Hleihel <ahleihel@redhat.com>,
        Kamal Heib <kheib@redhat.com>, borisp@nvidia.com,
        saeedm@nvidia.com,
        "Nikolova, Tatyana E" <tatyana.e.nikolova@intel.com>,
        "Ismail, Mustafa" <mustafa.ismail@intel.com>,
        Al Stone <ahs3@redhat.com>,
        Leon Romanovsky <leonro@nvidia.com>,
        Chandrakanth Patil <chandrakanth.patil@broadcom.com>,
        bjorn.andersson@linaro.org, chunkuang.hu@kernel.org,
        yongqiang.niu@mediatek.com, baolin.wang7@gmail.com,
        Petr Oros <poros@redhat.com>, Ming Lei <minlei@redhat.com>,
        Ewan Milne <emilne@redhat.com>, jejb@linux.ibm.com,
        kabel@kernel.org, Viresh Kumar <viresh.kumar@linaro.org>,
        Jakub Kicinski <kuba@kernel.org>, kashyap.desai@broadcom.com,
        Sumit Saxena <sumit.saxena@broadcom.com>,
        shivasharan.srikanteshwara@broadcom.com,
        sathya.prakash@broadcom.com,
        Sreekanth Reddy <sreekanth.reddy@broadcom.com>,
        suganath-prabu.subramani@broadcom.com, ley.foon.tan@intel.com,
        jbrunet@baylibre.com, johannes@sipsolutions.net,
        snelson@pensando.io, lewis.hanly@microchip.com, benve@cisco.com,
        _govind@gmx.com, jassisinghbrar@gmail.com
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Precedence: bulk

Hi Martin,

On Wed, Nov 24, 2021 at 5:16 PM Nitesh Lal <nilal@redhat.com> wrote:
>
> On Wed, Nov 24, 2021 at 2:30 PM Thomas Gleixner <tglx@linutronix.de> wrote:
> >
> > Nitesh,
> >
> > On Mon, Sep 13 2021 at 10:34, Nitesh Lal wrote:
> > > On Fri, Sep 3, 2021 at 11:25 AM Nitesh Narayan Lal <nitesh@redhat.com> wrote:
> > >>
> > >> The drivers currently rely on irq_set_affinity_hint() to either set the
> > >> affinity_hint that is consumed by the userspace and/or to enforce a custom
> > >> affinity.
> > >>
> > >> irq_set_affinity_hint() as the name suggests is originally introduced to
> > >> only set the affinity_hint to help the userspace in guiding the interrupts
> > >> and not the affinity itself. However, since the commit
> > >>
> > >>         e2e64a932556 "genirq: Set initial affinity in irq_set_affinity_hint()"
> >
> > sorry for ignoring this. It fell through the cracks.
>
>
> No worries, thank you for reviewing.
>
> >
> >
> > >> Thomas Gleixner (1):
> > >>   genirq: Provide new interfaces for affinity hints
> >
> > Did I actually write this?
>
>
> Yeap, the idea and the initial patch came from you. :)
>
> >
> >
> > > Any suggestions on what should be the next steps here? Unfortunately, I haven't
> > > been able to get any reviews on the following two patches:
> > >   be2net: Use irq_update_affinity_hint
> > >   hinic: Use irq_set_affinity_and_hint
> > >
> > > One option would be to proceed with the remaining patches and I can try
> > > posting these two again when I post patches for the remaining drivers?
> >
> > The more general question is whether I should queue all the others or
> > whether some subsystem would prefer to pull in a tagged commit on top of
> > rc1. I'm happy to carry them all of course.
> >
>
> I am fine either way.
> In the past, while I was asking for more testing help I was asked if the
> SCSI changes are part of Martins's scsi-fixes tree as that's something
> Broadcom folks test to check for regression.
> So, maybe Martin can pull this up?
>

Gentle ping.
Any thoughts on the above query?

-- 
Thanks
Nitesh