Date:   Thu, 2 Feb 2023 09:33:35 -0800
From:   Jakub Kicinski <kuba@kernel.org>
To:     Peter Zijlstra <peterz@infradead.org>
Cc:     Tariq Toukan <ttoukan.linux@gmail.com>,
        Valentin Schneider <vschneid@redhat.com>,
        Yury Norov <yury.norov@gmail.com>,
        linux-kernel@vger.kernel.org,
        "David S. Miller" <davem@davemloft.net>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        Barry Song <baohua@kernel.org>,
        Ben Segall <bsegall@google.com>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Gal Pressman <gal@nvidia.com>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Haniel Bristot de Oliveira <bristot@redhat.com>,
        Heiko Carstens <hca@linux.ibm.com>,
        Ingo Molnar <mingo@redhat.com>,
        Jacob Keller <jacob.e.keller@intel.com>,
        Jason Gunthorpe <jgg@nvidia.com>,
        Jesse Brandeburg <jesse.brandeburg@intel.com>,
        Jonathan Cameron <Jonathan.Cameron@huawei.com>,
        Juri Lelli <juri.lelli@redhat.com>,
        Leon Romanovsky <leonro@nvidia.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        Mel Gorman <mgorman@suse.de>,
        Peter Lafreniere <peter@n8pjl.ca>,
        Rasmus Villemoes <linux@rasmusvillemoes.dk>,
        Saeed Mahameed <saeedm@nvidia.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Tariq Toukan <tariqt@nvidia.com>,
        Tony Luck <tony.luck@intel.com>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        linux-crypto@vger.kernel.org, netdev@vger.kernel.org,
        linux-rdma@vger.kernel.org
Subject: Re: [PATCH RESEND 0/9] sched: cpumask: improve on
 cpumask_local_spread() locality
Message-ID: <20230202093335.43586ecf@kernel.org>
In-Reply-To: <20230130122206.3b55a0a7@kernel.org>
References: <20230121042436.2661843-1-yury.norov@gmail.com>
        <4dc2a367-d3b1-e73e-5f42-166e9cf84bac@gmail.com>
        <xhsmhv8kxh8tk.mognet@vschneid.remote.csb>
        <4fa5d53d-d614-33b6-2d33-156281420507@gmail.com>
        <20230130122206.3b55a0a7@kernel.org>
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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 :(