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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 ACC61C433B4 for ; Wed, 21 Apr 2021 13:36:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 718046144A for ; Wed, 21 Apr 2021 13:36:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242642AbhDUNg7 (ORCPT ); Wed, 21 Apr 2021 09:36:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234038AbhDUNgx (ORCPT ); Wed, 21 Apr 2021 09:36:53 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BEF4C06174A for ; Wed, 21 Apr 2021 06:36:19 -0700 (PDT) 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=xxEnPzR5oJElDqWXx3+pjXnUKu5Yv9jkUblOk59HG+k=; b=pcfKosK1MmDzVOKy/QH6E4euu6 oeHU+H1XE1LZqeUzNV+A49GPN2tYIQ6gOU0/5tJGx5viM9J03BBNbYyvnvm2Pd4op0RYdPi9+Eiz6 OAqHUVoMfZ3Q7/1wTqMnRc+ZfpkHX9fsxMZA3vzZ67CLFwUEQtKXKvmnyYmnBcxhMHNIfcWqpSSDR n8dO8KQctHjx0x/CI5f2xvo5g1aVmEiZnYImM9mTOvFXnRT0RXy1H88MWda43sAahtngBUCjAvivF rbwqUZlr/QQi3o/HoHBSSoZRjjtvi6MiYPYqpQRrx5lHOPgKwjGW2qZfKzkZ/90hvilqB0OO92G4v Cpq6l28g==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lZD0X-00GaKt-4c; Wed, 21 Apr 2021 13:35:13 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id BA84130013E; Wed, 21 Apr 2021 15:35:07 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id A25DE28582676; Wed, 21 Apr 2021 15:35:07 +0200 (CEST) Date: Wed, 21 Apr 2021 15:35:07 +0200 From: Peter Zijlstra To: Joel Fernandes Cc: Tejun Heo , Hao Luo , "Hyser,Chris" , Josh Don , Ingo Molnar , Vincent Guittot , Valentin Schneider , Mel Gorman , LKML , Thomas Glexiner , Michal =?iso-8859-1?Q?Koutn=FD?= , Christian Brauner , Zefan Li Subject: Re: [PATCH 0/9] sched: Core scheduling interfaces Message-ID: References: <20210401131012.395311786@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 19, 2021 at 11:00:57AM +0200, Peter Zijlstra wrote: > On Sat, Apr 17, 2021 at 09:35:07PM -0400, Joel Fernandes wrote: > > Peter, any thoughts on this? > > Adding CGROUP_SHARE is not sufficient to close the hole against CLEAR. > So we either then have to 'tweak' the meaning of CLEAR or replace it > entirely, neither seem attractive. > > > I'd love to make some progress on all this. Can I comment out CLEAR so we can sort that out later? I suppose people can still do temp cookies simply by using a temp task.