From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 4BC62535A4 for ; Sun, 26 May 2024 22:52:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716763980; cv=none; b=A+WuoxNKaGCnOXaTqZ16AcqlypFiEXNbBb/cD8Fjf9xygDChnT8PW5QUawOcL3SmdPjAChE+m9/rmZfxlUM4Ky0pSxiNs+tEmO0qQJeB2dRkvndYKh1fd/4q8LTUCXkXofFJbDMWUUTcKsPzB92dg8lBZl8EB3WMDG1Pu5OTSLA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716763980; c=relaxed/simple; bh=EngjvVv8BMOk2WNYMsum5bWofAIg4FVPRgU35cNhc2c=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=pAMXuU5d7wmuzggwfM3VDuX+1kzKSr64kLotSHeBbTc3szjRyWkI4s+KoX3Gzm3JK/fi6IGl/N4QVSGpvALqBYtQbpQd3TzhNjCvrpf2Oq+mIJYwa982Vd59ROBFET5rKSqkKoHGAGF3mgkcjsVdnxFZp8JQgVZCwnMAalKU7hQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com 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 E2664339; Sun, 26 May 2024 15:53:21 -0700 (PDT) Received: from [192.168.178.6] (usa-sjc-mx-foss1.foss.arm.com [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7BEEB3F641; Sun, 26 May 2024 15:52:55 -0700 (PDT) Message-ID: <1f8c50f2-6530-49bd-9b41-744437078100@arm.com> Date: Mon, 27 May 2024 00:52:54 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH v3 5/6] sched/uclamp: Simplify uclamp_eff_value() To: Hongyan Xia , Ingo Molnar , Peter Zijlstra , Vincent Guittot , Juri Lelli , Steven Rostedt , Ben Segall , Mel Gorman , Daniel Bristot de Oliveira , Valentin Schneider Cc: Qais Yousef , Morten Rasmussen , Lukasz Luba , Christian Loehle , pierre.gondois@arm.com, linux-kernel@vger.kernel.org References: <6209eda0b134ad7a0be8855ffdd7b4c747fb8048.1715082714.git.hongyan.xia2@arm.com> From: Dietmar Eggemann Content-Language: en-US In-Reply-To: <6209eda0b134ad7a0be8855ffdd7b4c747fb8048.1715082714.git.hongyan.xia2@arm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 07/05/2024 14:50, Hongyan Xia wrote: [...] > +static inline unsigned long uclamp_eff_value(struct task_struct *p, > + enum uclamp_id clamp_id) > +{ > + if (uclamp_is_used() && p->uclamp[clamp_id].active) > + return p->uclamp[clamp_id].value; > + > + if (clamp_id == UCLAMP_MIN) > + return 0; > + > + return SCHED_CAPACITY_SCALE; Why not keep using 'return uclamp_none(clamp_id)' here? [...]