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[23.128.96.18]) by mx.google.com with ESMTP id g13si5079585edn.498.2021.02.19.01.49.25; Fri, 19 Feb 2021 01:49:48 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=zNgYaMrX; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229800AbhBSJs4 (ORCPT + 99 others); Fri, 19 Feb 2021 04:48:56 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229546AbhBSJsx (ORCPT ); Fri, 19 Feb 2021 04:48:53 -0500 Received: from mail-pg1-x535.google.com (mail-pg1-x535.google.com [IPv6:2607:f8b0:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1CCC8C061756 for ; Fri, 19 Feb 2021 01:48:13 -0800 (PST) Received: by mail-pg1-x535.google.com with SMTP id z68so3602918pgz.0 for ; Fri, 19 Feb 2021 01:48:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=eXTn3zOUMXGAyBukHeWslQDjuh7yzOFRAU7s48iWGXY=; b=zNgYaMrXXz6+R4FybaHK/hQx49PQbMvGjdW+JliE/hIJY13cHiHHZV0UTIdXwJwJ6j 7/LMQuIDF+c5ojsQdJlqV1Qh71w9MLzaCt4a60bIOi7irShdmyLAGGWV9T5wTyAKKh7I cUhE5h9bwzDXEfsR5a1S3DH4Zuiui5hsnDl6KcSS5wJxwbdsZnjPAu9KXm2ZDoAR77DY NleVaeMEhbhTTux/hiZVLPyYTP9N1wiUJu6CgvWM7vgPNLLzyWrJdmght2M66wwJSAds hv4XBex5Camt9avhNo4xuMOaPqH+W89IMsYHHP7y7q2CLhAY+77HpSvV8PGivaW4e6D+ cmkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=eXTn3zOUMXGAyBukHeWslQDjuh7yzOFRAU7s48iWGXY=; b=kYqEDdD50K0uqF8qDc+NZRcNQBx3kTMK19u3BJj/oqXt8h2GfQbl9pCbLKs6qQgYR2 nyWKbyo+P6HA/odSgznKASxrTUwXskm+3xoesEeKFlDkeZtwybx/+AqUlV84i5gcy7sD YjdWUUjT72333Z1c0IBrHQIHezCWGP+U0wih3T3I+tM/+AH+ItwB33OpkDzEFWZUovr1 ptXIpxWS0c5AY1D/0g7mpH30/bCWf96gNNJM87w5LCXuwoeOtg6CL2Rmokt6b/RRgQDY harWXnOWjsHY/+q9a7aw1DP5jfQDUiZKDxOGMyC3DAAxe13A/tobQibF0GLmlq0zHEsw zjYg== X-Gm-Message-State: AOAM531zYCiESWqqngrY+Y4/3wd62yFcfoQ1pzqG2v5qUyEd1i++a9RY O4lGhndWEfN8r9z5Oh4lVP717NRrEpX5Zw== X-Received: by 2002:a63:5d59:: with SMTP id o25mr7657009pgm.322.1613728092545; Fri, 19 Feb 2021 01:48:12 -0800 (PST) Received: from localhost ([122.172.59.240]) by smtp.gmail.com with ESMTPSA id t18sm8094602pjs.57.2021.02.19.01.48.11 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 19 Feb 2021 01:48:11 -0800 (PST) Date: Fri, 19 Feb 2021 15:18:09 +0530 From: Viresh Kumar To: Ionela Voinescu Cc: Rafael Wysocki , Catalin Marinas , Will Deacon , Vincent Guittot , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, Sudeep Holla , Greg Kroah-Hartman Subject: Re: [PATCH V3 1/2] topology: Allow multiple entities to provide sched_freq_tick() callback Message-ID: <20210219094809.ktvwx3pggnvatl3q@vireshk-i7> References: <20210203114521.GA6380@arm.com> <20210205091424.3od3tme3f7mh7ebp@vireshk-i7> <20210217002422.GA17422@arm.com> <20210218093304.3mt3o7kbeymn5ofl@vireshk-i7> <20210218163635.GA23622@arm.com> <20210219045823.beeijwaymd63prk7@vireshk-i7> <20210219094440.GA29843@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210219094440.GA29843@arm.com> User-Agent: NeoMutt/20180716-391-311a52 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 19-02-21, 09:44, Ionela Voinescu wrote: > On Friday 19 Feb 2021 at 10:28:23 (+0530), Viresh Kumar wrote: > > The very core routines (cpufreq_freq_transition_end() and > > cpufreq_driver_fast_switch()) of the cpufreq core call > > arch_set_freq_scale() today and this isn't going to change anytime > > soon. If something gets changed there someone will need to see other > > parts of the kernel which may get broken with that. > > > > Yes, but it won't really be straightforward to notice this breakage if > that happens, so in my opinion it was worth to keep that condition. Right, but chances of that happening are close to zero right now. I don't see any changes being made there in near future and so as we agreed, lets leave it as is. Btw, thanks for your feedback, it was indeed very valuable. -- viresh