linux-kernel - Re: [PATCH RESEND 0/9] sched: cpumask: improve on cpumask_local

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Message-ID: <CAAH8bW-JE1d97EgvaiY_-dHL8Tf585=vK_tjabUingZeCh5K2Q@mail.gmail.com>
Date:   Thu, 2 Feb 2023 09:37:54 -0800
From:   Yury Norov <yury.norov@...il.com>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Tariq Toukan <ttoukan.linux@...il.com>,
        Valentin Schneider <vschneid@...hat.com>,
        linux-kernel@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Barry Song <baohua@...nel.org>,
        Ben Segall <bsegall@...gle.com>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Gal Pressman <gal@...dia.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Haniel Bristot de Oliveira <bristot@...hat.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Ingo Molnar <mingo@...hat.com>,
        Jacob Keller <jacob.e.keller@...el.com>,
        Jason Gunthorpe <jgg@...dia.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Leon Romanovsky <leonro@...dia.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mel Gorman <mgorman@...e.de>,
        Peter Lafreniere <peter@...jl.ca>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Saeed Mahameed <saeedm@...dia.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Tariq Toukan <tariqt@...dia.com>,
        Tony Luck <tony.luck@...el.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        linux-crypto@...r.kernel.org, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org
Subject: Re: [PATCH RESEND 0/9] sched: cpumask: improve on cpumask_local_spread()
 locality

On Thu, Feb 2, 2023 at 9:33 AM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Mon, 30 Jan 2023 12:22:06 -0800 Jakub Kicinski wrote:
> > On Sun, 29 Jan 2023 10:07:58 +0200 Tariq Toukan wrote:
> > > > Peter/Ingo, any objections to stashing this in tip/sched/core?
> > >
> > > Can you please look into it? So we'll have enough time to act (in
> > > case...) during this kernel.
> > >
> > > We already missed one kernel...
> >
> > We really need this in linux-next by the end of the week. PTAL.
>
> Peter, could you please take a look? Linux doesn't have an API for
> basic, common sense IRQ distribution on AMD systems. It's important :(

FWIW, it's already been in linux-next since mid-December through the
bitmap branch, and no issues were reported so far.

Thanks,
Yury