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 026B0C4332F for ; Wed, 8 Nov 2023 16:50:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231472AbjKHQuF (ORCPT ); Wed, 8 Nov 2023 11:50:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229581AbjKHQuD (ORCPT ); Wed, 8 Nov 2023 11:50:03 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEB281FD6 for ; Wed, 8 Nov 2023 08:50:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=k0cmwXDf9mNEfGVLM+XbtxKWBRgBMnhpCA1nGcyhhhM=; b=MBSWrXa2GWf0mhEzsuRa91iuUT 4rw/voGMKkTc7jZtdyuVUrQmNF9NHJh9O2KjqQu8GBU/X93WETeLsWMYLpn333Ll7v97T+5/64R8c uL0uyNMqmWlmRD6oWav70inkgHx6aL8j2VAETS4U3s+DHzwjEvqeE6CLknE3qxDLHcxpLI4LphglK 2uiVfVA/TL8hpIo3KZdG1HHps9EW1QH5z78BHAMxU/IfQhyijV9xl9wHCNapsP4GJRxd+u9za4wwk e5qdcBhlxlvxSt08F8AHxwn/UXUhTjL1AmOwsig4tThdU7PIrIzSTwXZEBiPB7liyw5htzsaZT1kh 2tzd48Ow==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1r0ljw-0026LN-Cg; Wed, 08 Nov 2023 16:49:17 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id B7CBF30049D; Wed, 8 Nov 2023 17:49:16 +0100 (CET) Date: Wed, 8 Nov 2023 17:49:16 +0100 From: Peter Zijlstra To: Steven Rostedt Cc: Thomas Gleixner , Ankur Arora , linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, paulmck@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, mingo@kernel.org, bristot@kernel.org, mathieu.desnoyers@efficios.com, geert@linux-m68k.org, glaubitz@physik.fu-berlin.de, anton.ivanov@cambridgegreys.com, mattst88@gmail.com, krypton@ulrich-teichert.org, David.Laight@aculab.com, richard@nod.at, mjguzik@gmail.com Subject: Re: [RFC PATCH 00/86] Make the kernel preemptible Message-ID: <20231108164916.GR8262@noisy.programming.kicks-ass.net> References: <20231107215742.363031-1-ankur.a.arora@oracle.com> <20231108085156.GD8262@noisy.programming.kicks-ass.net> <87bkc4lfxp.fsf@oracle.com> <20231108101330.GK3818@noisy.programming.kicks-ass.net> <877cmsgsrg.ffs@tglx> <20231108112227.62f0c5a8@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20231108112227.62f0c5a8@gandalf.local.home> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 08, 2023 at 11:22:27AM -0500, Steven Rostedt wrote: > Peter, how can you say we can get rid of cond_resched() in NONE when you Because that would fix none to actually be none. Who cares. > > Look at my PoC: https://lore.kernel.org/lkml/87jzshhexi.ffs@tglx/ > > And I've been saying that many times already ;-) Why should I look at random patches on the interweb to make sense of these patches here? That just underlines these here patches are not making sense.