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=-5.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 4A31FC433DF for ; Mon, 3 Aug 2020 14:41:22 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 166BA2076E for ; Mon, 3 Aug 2020 14:41:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tWcFuMdI" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 166BA2076E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=/qegZeSFpuVC3B4muNsrbOBhwK2FjtTQ2+Kza9emOO8=; b=tWcFuMdIv9DNIUXLEDP6lh1m7 ULBHbUsL6BY7FY2CFfwQ8urJBjSlpy+Y1FiLEeDFSHwWaZvkIIeIyWDT3LVOvO3lbYD7LAtPAmWG+ RwsudgwLn2a2m6WXNdfz6c+sKULBLwrQeWmQmMkvdd6xCSv7NTykPiZTzdeTF8dgWjkLCC7PN7qXM 4DQb9mkc0EN1v0aGUyhRtjY9xT01LtjFhFnaSqb0VDraD+SYozCLVdYXqw5igi7OdKGraPxjATXIs 6qaGtCwXmOES8ms1K3wn6/z3Y1JUhSxAEzxh4mjLbF9pcOe+GwIW9zs2IwFbO2N3rjsp3KkHbbJ+F XOx5g2ItA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k2bd2-0004fd-7b; Mon, 03 Aug 2020 14:39:52 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k2bcz-0004es-OZ for linux-arm-kernel@lists.infradead.org; Mon, 03 Aug 2020 14:39:50 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 3EF2B30E; Mon, 3 Aug 2020 07:39:46 -0700 (PDT) Received: from localhost (unknown [10.1.198.53]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D37E63F718; Mon, 3 Aug 2020 07:39:45 -0700 (PDT) Date: Mon, 3 Aug 2020 15:39:44 +0100 From: Ionela Voinescu To: Sudeep Holla Subject: Re: [PATCH v2 3/7] arch_topology: disable frequency invariance for CONFIG_BL_SWITCHER Message-ID: <20200803143944.GA20312@arm.com> References: <20200722093732.14297-1-ionela.voinescu@arm.com> <20200722093732.14297-4-ionela.voinescu@arm.com> <20200730042423.4j22udejluis7blw@vireshk-mac-ubuntu> <1db4317a-0018-1590-f0ae-ed5e235b174f@arm.com> <20200731154838.GB14529@bogus> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200731154838.GB14529@bogus> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200803_103949_905416_D7F23756 X-CRM114-Status: GOOD ( 14.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-pm@vger.kernel.org, peterz@infradead.org, Viresh Kumar , rjw@rjwysocki.net, linux@armlinux.org.uk, linux-kernel@vger.kernel.org, mingo@redhat.com, catalin.marinas@arm.com, will@kernel.org, Dietmar Eggemann , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi guys, On Friday 31 Jul 2020 at 16:48:38 (+0100), Sudeep Holla wrote: > On Thu, Jul 30, 2020 at 12:29:52PM +0200, Dietmar Eggemann wrote: > > [...] > > > > > Are there still any users of CONFIG_BL_SWITCHER? I guess it's only > > limited to A15/A7 systems w/ vexpress-spc-cpufreq.c ... so probably only > > TC2? > > I think so as no one shouted when I merged bL switcher driver into > vexpress-spc-cpufreq.c > I think a good indication is also the fact that frequency invariance was broken for a long time for bL_switcher_enabled systems and nobody shouted. A way to make this nicer is to fully remove BL_SWITCHER support. This support was valuable at its time, but given that now there is proper asymmetric CPU capacity support, is there any reason to hold on to this? Thanks, Ionela. > -- > Regards, > Sudeep _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel