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=-2.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT 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 6CA92C43441 for ; Thu, 22 Nov 2018 10:26:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2D76A20684 for ; Thu, 22 Nov 2018 10:26:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="UIs2m1c7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2D76A20684 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390529AbeKVVEs (ORCPT ); Thu, 22 Nov 2018 16:04:48 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:53010 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387916AbeKVVEs (ORCPT ); Thu, 22 Nov 2018 16:04:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=O39YNV2aymG2VkpZWNgmZTwTXceMdVz/pXsat3CB6tU=; b=UIs2m1c78ciJr9mFHasCToI+g QaTTJMk8wiSYEM69vXYzz2AQHkjv+rnquRDd99yjpHYWZI0BRUrPPbEQ9akKQwIurGa7ND5zk8Y97 u68kQVJgy3uoUv1fEWufwb1XT4dgqY6I6OBdEPgwG+iFzP9Sb++CMi5sNBWSzBziJ57w8HmYF1pvv u+w4rABbEJ5U4G6N9P/8EsES8KLThmjy+WNBukj9OVHMK/SPfhNHEN6rw2xuGSVeQd3+31k916gW3 iXK4sJAV2rEBU2p/SPXMF98VdDyUCbkfTLe8H4bSMh/Fhs+nQrglXVsTf4p39D+Tc0fL/ApHedE8Y DSiA2HWhA==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1gPmBD-0005zP-0S; Thu, 22 Nov 2018 10:25:51 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id D1A672029FD58; Thu, 22 Nov 2018 11:25:45 +0100 (CET) Date: Thu, 22 Nov 2018 11:25:45 +0100 From: Peter Zijlstra To: Quentin Perret Cc: rjw@rjwysocki.net, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, gregkh@linuxfoundation.org, mingo@redhat.com, dietmar.eggemann@arm.com, morten.rasmussen@arm.com, chris.redpath@arm.com, patrick.bellasi@arm.com, valentin.schneider@arm.com, vincent.guittot@linaro.org, thara.gopinath@linaro.org, viresh.kumar@linaro.org, tkjos@google.com, joel@joelfernandes.org, smuckle@google.com, adharmap@codeaurora.org, skannan@codeaurora.org, pkondeti@codeaurora.org, juri.lelli@redhat.com, edubezval@gmail.com, srinivas.pandruvada@linux.intel.com, currojerez@riseup.net, javi.merino@kernel.org Subject: Re: [PATCH v9 09/15] sched: Introduce sched_energy_present static key Message-ID: <20181122102545.GQ2131@hirez.programming.kicks-ass.net> References: <20181119141857.8625-1-quentin.perret@arm.com> <20181119141857.8625-10-quentin.perret@arm.com> <20181121130822.GE2113@hirez.programming.kicks-ass.net> <20181121151444.t3zye5l5iycfni2s@queper01-lin> <20181122091715.6kvhcbgoqrd54nbs@queper01-lin> <20181122093237.goxmr4p5l4h2izid@queper01-lin> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181122093237.goxmr4p5l4h2izid@queper01-lin> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 22, 2018 at 09:32:39AM +0000, Quentin Perret wrote: > Hmm, I went too fast, that's totally broken. But there's still something > we can do with static_branch_{inc,dec} I think. I'll come back later > with a better solution. Right; if you count the rd's that have pd set, it should work-ish. Yes, much cleaner if you can get it to work.