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 X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B8E64C54FCB for ; Wed, 22 Apr 2020 15:42:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 861812076E for ; Wed, 22 Apr 2020 15:42:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Rg2aj+WZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726396AbgDVPmy (ORCPT ); Wed, 22 Apr 2020 11:42:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57142 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725980AbgDVPmy (ORCPT ); Wed, 22 Apr 2020 11:42:54 -0400 Received: from merlin.infradead.org (unknown [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 17447C03C1A9 for ; Wed, 22 Apr 2020 08:42:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.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=w7os9iLev/9dj2qAgL+949q1zGpOmKIk3i33sopb+WM=; b=Rg2aj+WZ7Wbxlfo/3Hh1nS1Dv4 Lj+oJWA/iNq8lDrz4075SEyqxxQP06CwR55dudxI/xM/9OtSHU7TBTNWSMIsWAJo2v2nYHn1tyteA oDPK75TnebDxNQX9s6V/pIzLj7jUXVCBtobqO4fMKjmY5IEwy6MbbGGG/GpzDmjZNWFw2Kp4/lMtd tQe9o36pKOa1SNpSYyFSnShDmwgmF7WSNya9fgijcUVauXHmaeL4IHxo3IFUvQgVrhmrtiyppJHW+ xU9zT2Sv3tw6PlrEdsGD5gCSKK4hMj6QNf/dEFNhzMDHuJ6BmdGsITBbBl9eDvpqjlyKSaWnh31/K uDeFuSBQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jRHW5-0003jE-D5; Wed, 22 Apr 2020 15:42:25 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id A761030477A; Wed, 22 Apr 2020 17:42:23 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 8851E286B71D5; Wed, 22 Apr 2020 17:42:23 +0200 (CEST) Date: Wed, 22 Apr 2020 17:42:23 +0200 From: Peter Zijlstra To: Juri Lelli Cc: Vincent Guittot , Ingo Molnar , linux-kernel , Thomas Gleixner , Steven Rostedt , Qais Yousef , Dietmar Eggemann , Ben Segall , Mel Gorman , John Stultz Subject: Re: [PATCH 13/23] sched,ion: Convert to sched_set_normal() Message-ID: <20200422154223.GO20730@hirez.programming.kicks-ass.net> References: <20200422112719.826676174@infradead.org> <20200422112831.988065598@infradead.org> <20200422132923.GK20730@hirez.programming.kicks-ass.net> <20200422135921.GL20730@hirez.programming.kicks-ass.net> <20200422153820.GK9767@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200422153820.GK9767@localhost.localdomain> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 22, 2020 at 05:38:20PM +0200, Juri Lelli wrote: > On 22/04/20 15:59, Peter Zijlstra wrote: > > I should get back to proxy execution I suppose... > > Huh, so you really think proxy exec should be default on for kernel > mutexes... We'll see, ideally yes, but even if not, then you have something to give to people who run into trouble. It would also allow a true idle time class, although I'm not sure we'd actually want to go there.