From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52B48E7D0AB for ; Thu, 21 Sep 2023 21:04:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232583AbjIUVE1 (ORCPT ); Thu, 21 Sep 2023 17:04:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232542AbjIUVDo (ORCPT ); Thu, 21 Sep 2023 17:03:44 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BAB7086104 for ; Thu, 21 Sep 2023 10:37:53 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id CA6F6C4E74D; Thu, 21 Sep 2023 13:58:28 +0000 (UTC) Date: Thu, 21 Sep 2023 09:59:06 -0400 From: Steven Rostedt To: Ankur Arora Cc: Thomas Gleixner , Linus Torvalds , Peter Zijlstra , linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, akpm@linux-foundation.org, luto@kernel.org, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, mingo@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, willy@infradead.org, mgorman@suse.de, jon.grimm@amd.com, bharata@amd.com, raghavendra.kt@amd.com, boris.ostrovsky@oracle.com, konrad.wilk@oracle.com, jgross@suse.com, andrew.cooper3@citrix.com, Frederic Weisbecker Subject: Re: [PATCH v2 7/9] sched: define TIF_ALLOW_RESCHED Message-ID: <20230921095906.3dad00be@gandalf.local.home> In-Reply-To: <87wmwkcga6.fsf@oracle.com> References: <20230830184958.2333078-8-ankur.a.arora@oracle.com> <20230908070258.GA19320@noisy.programming.kicks-ass.net> <87zg1v3xxh.fsf@oracle.com> <87edj64rj1.fsf@oracle.com> <87zg1u1h5t.fsf@oracle.com> <20230911150410.GC9098@noisy.programming.kicks-ass.net> <87h6o01w1a.fsf@oracle.com> <20230912082606.GB35261@noisy.programming.kicks-ass.net> <87cyyfxd4k.ffs@tglx> <87led2wdj0.ffs@tglx> <8734z8v1lo.ffs@tglx> <87edisibrp.fsf@oracle.com> <87ttrothbb.ffs@tglx> <87wmwkcga6.fsf@oracle.com> X-Mailer: Claws Mail 3.19.1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 20 Sep 2023 21:16:17 -0700 Ankur Arora wrote: > > On Wed, Sep 20 2023 at 17:57, Ankur Arora wrote: > >> Thomas Gleixner writes: > >>> Find below a PoC which implements that scheme. It's not even close to > >>> correct, but it builds, boots and survives lightweight testing. > >> > >> Whew, that was electric. I had barely managed to sort through some of > >> the config maze. > >> From a quick look this is pretty much how you described it. > > > > What's electric about that? > > Hmm, so I /think/ I was going for something like electric current taking > the optimal path, with a side meaning of electrifying. > > Though, I guess electron flow is a quantum mechanical, so that would > really try all possible paths, which means the analogy doesn't quite > fit. > > Let me substitute greased lightning for electric :D. "It's electrifying!" ;-) https://www.youtube.com/watch?v=7oKPYe53h78 -- Steve