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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 72EC6C433B4 for ; Thu, 13 May 2021 14:15:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 47E7A6142C for ; Thu, 13 May 2021 14:15:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234326AbhEMOQi (ORCPT ); Thu, 13 May 2021 10:16:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40056 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234254AbhEMOQN (ORCPT ); Thu, 13 May 2021 10:16:13 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B6D30C061574 for ; Thu, 13 May 2021 07:15:02 -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=ldkD/MCCMVjwjxuDDMNeDne6TaE3nCcY0it9FfXwvCU=; b=uKXX+1H/3+98XMqN0odMR1kgfP ACOL56wtYNxN5TVRAYpbubvwGX6w+DtzuoEaW37btjwTd0dwdN1zVKCfzXM36SCwqg1zkTthH0KPN +bgggiubcdIfAFQZmgjMLHgLiO7QOuBqj6pVWp/HxLdFqWgvOpyEPrSXV3Xw899SPy5PFhgR8Yozk unitwHuEnpBuxcAp89WlJg/7M3p3yUuF5xoID9M3ydts8vlcXmSNUGWLAQwSaAbm1DdWjdGHZKwJT HnO6Ho+EOJbQMwrHWOFO3fBRLP4nnPDCF04G1DaJbfxzRXW9K6BTdj+rwcFsIFGfVpazzhQ474h8o wiJaIK8Q==; 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 1lhC5q-009Uyr-Dy; Thu, 13 May 2021 14:13:45 +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 4882030019C; Thu, 13 May 2021 16:13:37 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 01F1A2D3CBAF5; Thu, 13 May 2021 16:13:36 +0200 (CEST) Date: Thu, 13 May 2021 16:13:36 +0200 From: Peter Zijlstra To: Qais Yousef Cc: Ingo Molnar , Vincent Guittot , Dietmar Eggemann , Patrick Bellasi , Tejun Heo , Quentin Perret , Wei Wang , Yun Hsiang , linux-kernel@vger.kernel.org Subject: Re: [PATCH RESEND 0/2] Uclamp cgroup fixes Message-ID: References: <20210510145032.1934078-1-qais.yousef@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210510145032.1934078-1-qais.yousef@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 10, 2021 at 03:50:30PM +0100, Qais Yousef wrote: > A couple of fixes for uclamp cgroup. The first one is addressing wrong > implementation details that is restricting usability of uclamp in cgroup. The > 2nd is fixing locking issues. > > This is a resend since I forgot to CC LKML... > > Qais Yousef (2): > sched/uclamp: Fix wrong implementation of cpu.uclamp.min > sched/uclamp: Fix locking around cpu_util_update_eff() > > kernel/sched/core.c | 28 ++++++++++++++++++++++++---- > 1 file changed, 24 insertions(+), 4 deletions(-) Thanks!