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 A3FB4EB8FA5 for ; Wed, 6 Sep 2023 08:25:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235267AbjIFIZd (ORCPT ); Wed, 6 Sep 2023 04:25:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53910 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235284AbjIFIZc (ORCPT ); Wed, 6 Sep 2023 04:25:32 -0400 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD1B1CFF for ; Wed, 6 Sep 2023 01:25:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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=yfPJTEJmkCM7ziVsYLUNGyHqEh5++qPWZtUKw4S0EgI=; b=VMs5k5ESFhQJgAwi1c+j/+jPSt 2SBgcVPZUFcYsVSZE3s36PU+W30NqN1JkPw2+VC8PGAKuYVD29lVPL9+8Vs74L9g48gn7izCo3KvM WRDJ25aCLDxapSCMGI1w4qmZyoKKeoeFK45ZgT2OVL0OYqIh5wn/QxaRPxL3mJKYV6CAcT4SJc2rW MVLOGQ1M0/+39erjlD4Sq5NWHqBmKqWBf+yvgg+0cGapv/xv1akLjCBQI22M5mGT5yZzuPjTD2BfH lWvH51dKnljUpqvAFuJmIJlve6qZjf4sKDrbFf2wTy3/nfLkxdPqG8ov+l+70lSE9ciGBPXWinnUJ XX1N5NyA==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qdnqb-000yVi-2o; Wed, 06 Sep 2023 08:25:15 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 887503003F2; Wed, 6 Sep 2023 10:25:14 +0200 (CEST) Date: Wed, 6 Sep 2023 10:25:14 +0200 From: Peter Zijlstra To: Daniel Bristot de Oliveira Cc: Daniel Bristot de Oliveira , Ingo Molnar , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Steven Rostedt , Ben Segall , Mel Gorman , Valentin Schneider , linux-kernel@vger.kernel.org, Luca Abeni , Tommaso Cucinotta , Thomas Gleixner , Joel Fernandes , Vineeth Pillai , Shuah Khan , Phil Auld Subject: Re: [PATCH v4 7/7] sched/fair: Fair server interface Message-ID: <20230906082514.GA30172@noisy.programming.kicks-ass.net> References: <20230905135500.GB20703@noisy.programming.kicks-ass.net> <20230906072501.GA38741@noisy.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230906072501.GA38741@noisy.programming.kicks-ass.net> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 06, 2023 at 09:25:01AM +0200, Peter Zijlstra wrote: > On Tue, Sep 05, 2023 at 06:17:26PM +0200, Daniel Bristot de Oliveira wrote: > > > > Additionally, should not the deadline parameters be vetted by access > > > control before being accepted ? > > > > like security_task_getscheduler(p)? But we have no p... > > I was thinking sched_dl_overflow() or thereabout. That still runs on p, > but I'm thikning that should be easily adapted to dl_se or somesuch. Clearly my scrambled brain confused admission control and access control.