From patchwork Wed May 8 17:42:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Douglas RAILLARD X-Patchwork-Id: 10936317 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B92AC933 for ; Wed, 8 May 2019 17:43:41 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A747F285E8 for ; Wed, 8 May 2019 17:43:41 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9B69828610; Wed, 8 May 2019 17:43:41 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 39D30285E8 for ; Wed, 8 May 2019 17:43:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726767AbfEHRne (ORCPT ); Wed, 8 May 2019 13:43:34 -0400 Received: from foss.arm.com ([217.140.101.70]:41816 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729078AbfEHRnP (ORCPT ); Wed, 8 May 2019 13:43:15 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 528C780D; Wed, 8 May 2019 10:43:15 -0700 (PDT) Received: from e107049-lin.arm.com (e107049-lin.cambridge.arm.com [10.1.195.43]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id CCBAF3F575; Wed, 8 May 2019 10:43:13 -0700 (PDT) From: douglas.raillard@arm.com To: linux-kernel@vger.kernel.org Cc: linux-pm@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, quentin.perret@arm.com, douglas.raillard@arm.com, patrick.bellasi@arm.com, dietmar.eggemann@arm.com Subject: [RFC PATCH 4/7] sched/cpufreq: Move up sugov_cpu_is_busy() Date: Wed, 8 May 2019 18:42:58 +0100 Message-Id: <20190508174301.4828-5-douglas.raillard@arm.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190508174301.4828-1-douglas.raillard@arm.com> References: <20190508174301.4828-1-douglas.raillard@arm.com> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Douglas RAILLARD Move sugov_cpu_is_busy() static function of cpufreq_schedutil.c higher in the file so it can be used by other functions. Signed-off-by: Douglas RAILLARD --- kernel/sched/cpufreq_schedutil.c | 26 +++++++++++++------------- 1 file changed, 13 insertions(+), 13 deletions(-) diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index f4173a7c0f01..a52c66559321 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -173,6 +173,19 @@ static void sugov_deferred_update(struct sugov_policy *sg_policy, u64 time, } } +#ifdef CONFIG_NO_HZ_COMMON +static bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu) +{ + unsigned long idle_calls = tick_nohz_get_idle_calls_cpu(sg_cpu->cpu); + bool ret = idle_calls == sg_cpu->saved_idle_calls; + + sg_cpu->saved_idle_calls = idle_calls; + return ret; +} +#else +static inline bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu) { return false; } +#endif /* CONFIG_NO_HZ_COMMON */ + /** * get_next_freq - Compute a new frequency for a given cpufreq policy. * @sg_policy: schedutil policy object to compute the new frequency for. @@ -462,19 +475,6 @@ static unsigned long sugov_iowait_apply(struct sugov_cpu *sg_cpu, u64 time, return max(boost, util); } -#ifdef CONFIG_NO_HZ_COMMON -static bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu) -{ - unsigned long idle_calls = tick_nohz_get_idle_calls_cpu(sg_cpu->cpu); - bool ret = idle_calls == sg_cpu->saved_idle_calls; - - sg_cpu->saved_idle_calls = idle_calls; - return ret; -} -#else -static inline bool sugov_cpu_is_busy(struct sugov_cpu *sg_cpu) { return false; } -#endif /* CONFIG_NO_HZ_COMMON */ - /* * Make sugov_should_update_freq() ignore the rate limit when DL * has increased the utilization.