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Miller" , Daniel Bristot de Oliveira , Boqun Feng , Daniel Borkmann , Frederic Weisbecker , Ingo Molnar , Jakub Kicinski , Peter Zijlstra , Thomas Gleixner , Waiman Long , Will Deacon , Ben Segall , Daniel Bristot de Oliveira , Dietmar Eggemann , Juri Lelli , Mel Gorman , Valentin Schneider , Vincent Guittot Subject: Re: [PATCH v6 net-next 08/15] net: softnet_data: Make xmit.recursion per task. Message-ID: <20240614160445.UdPsIOTW@linutronix.de> References: <20240612170303.3896084-1-bigeasy@linutronix.de> <20240612170303.3896084-9-bigeasy@linutronix.de> <20240612131829.2e33ca71@rorschach.local.home> <20240614082758.6pSMV3aq@linutronix.de> <20240614094809.gvOugqZT@linutronix.de> <834b61b93df3cbf5053e459f337e622e2c510fbd.camel@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <834b61b93df3cbf5053e459f337e622e2c510fbd.camel@redhat.com> On 2024-06-14 16:08:42 [+0200], Paolo Abeni wrote: > > I personally think (fear mostly) there is still the potential for some > (performance) regression. I think it would be safer to introduce this > change under a compiler conditional and eventually follow-up with a > patch making the code generic. > > Should such later change prove to be problematic, we could revert it > without impacting the series as a whole. Sounds reasonable. In that case let me stick with "v6.5" of this patch (as just posted due the `more' member) and then I could introduce an option for !RT to use this optionally so it can be tested widely. > Thanks! > > Paolo Sebastian