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 5484D19F416; Thu, 31 Oct 2024 14:59:39 +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=1730386782; cv=none; b=Bkkf0JIb4NlzDnB8P6fXDLPqv/BUMg/XH1Za2CfVaV1CulDIb52ZLulLf3/G/ZBLGVWjQ1ATrpIxNLNP6DGZzxlf1xEy+k0V2DfVAG7W0QNjvqJSL0nVdtq6eK1d5+5aBU18ea02xeBZt6DoC8jxiu3ZkNY8v2mk03gB3BXTFW4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730386782; c=relaxed/simple; bh=bZbMDzCl2ajV0uKqlXS0XAIIzVATrstjD9UlfB5hl+A=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=VdCd0KO7qeF3+d9pwGcZAVpAD3b+TG9zorqHlAIyIRDS2NdBuRmd1pD0nf9Icg4b1Ep5WkadQXf69CB0wf72GHjo1R3Zl6L31RDPJzX7UdQucYblfbRq2WqqY90pmmyKaXzarFN+dk4BQE+jOxXtGBT9M+FES0TQlzo+CyP9Vuk= 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 E590F1063; Thu, 31 Oct 2024 08:00:07 -0700 (PDT) Received: from [10.1.32.17] (e127648.arm.com [10.1.32.17]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0C70C3F73B; Thu, 31 Oct 2024 07:59:35 -0700 (PDT) Message-ID: Date: Thu, 31 Oct 2024 14:59:34 +0000 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv2] cpufreq/schedutil: Only bind threads if needed From: Christian Loehle To: Peter Zijlstra Cc: Viresh Kumar , Qais Yousef , Vincent Guittot , "linux-kernel@vger.kernel.org" , linux-pm , Dietmar Eggemann , Pierre Gondois , Juri Lelli References: Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 10/24/24 10:13, Christian Loehle wrote: > On 10/7/24 11:42, Christian Loehle wrote: >> On 10/1/24 19:31, Rafael J. Wysocki wrote: >>> On Fri, Sep 27, 2024 at 10:59 AM Christian Loehle >>> wrote: >>>> >>>> Remove the unconditional binding of sugov kthreads to the affected CPUs >>>> if the cpufreq driver indicates that updates can happen from any CPU. >>>> This allows userspace to set affinities to either save power (waking up >>>> bigger CPUs on HMP can be expensive) or increasing performance (by >>>> letting the utilized CPUs run without preemption of the sugov kthread). >>>> >>>> Signed-off-by: Christian Loehle >>> >>> Acked-by: Rafael J. Wysocki >>> >>> and I'm assuming that this will go in via tip. >> >> Peter, is that fine with you? >> >> @Juri: I didn't add your (somewhat implied?) ACK on v2, so I'd be happy to >> get it on the dl_task_check_affinity() part. >> > > Peter, > gentle ping on this. > Thank you. Hi Peter, Another gentle ping. The accumulated ACKs are: Acked-by: Viresh Kumar Acked-by: Vincent Guittot Acked-by: Rafael J. Wysocki Acked-by: Juri Lelli Regards, Christian