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 B21D0199E95; Thu, 5 Sep 2024 09:27:49 +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=1725528471; cv=none; b=NLHiB+dDX4IgxWhy5H1cj+Gw4Y/pRZjR9b2t7NzdzgINTVBwd2hMe+6Bpc966k/ZhXZHYfc9bcbse98Kl7KzZnIvQYN2pDclLPCXjBC1wRaCxPOGlkSOREiN+bevimy2F1SMtVZgX90gOVeOKielSqll4KHYAYBK8pHFitPxX+E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725528471; c=relaxed/simple; bh=+fnvzFx4Txp9JgJLEHAERhSidAo3Uf9bmtiEPtHLch8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Ta+kFhwFU5fuGPm1/YGUbg4SKjaZNhuHl7I9Ud/etBxRUHOoQOQAFPjIu7f+ps0vy3up+MEYxYM2PiZqRezGo6z1j7APUUyqqJ6/fUZWfBrqH5rD6O2/Xb0LKeJAnR/e/Blqr82qJmCiglDsRjEkClBZ2/LkuA2V6JtBTiROMVw= 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 A45CE1063; Thu, 5 Sep 2024 02:28:15 -0700 (PDT) Received: from e127648.arm.com (unknown [10.57.75.86]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 265603F73F; Thu, 5 Sep 2024 02:27:45 -0700 (PDT) From: Christian Loehle To: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, rafael@kernel.org, peterz@infradead.org Cc: juri.lelli@redhat.com, mingo@redhat.com, dietmar.eggemann@arm.com, vschneid@redhat.com, vincent.guittot@linaro.org, Johannes.Thumshirn@wdc.com, adrian.hunter@intel.com, ulf.hansson@linaro.org, bvanassche@acm.org, andres@anarazel.de, asml.silence@gmail.com, linux-block@vger.kernel.org, io-uring@vger.kernel.org, qyousef@layalina.io, dsmythies@telus.net, axboe@kernel.dk, Christian Loehle Subject: [RFC PATCH 7/8] cpufreq: Remove SCHED_CPUFREQ_IOWAIT update Date: Thu, 5 Sep 2024 10:26:44 +0100 Message-Id: <20240905092645.2885200-8-christian.loehle@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240905092645.2885200-1-christian.loehle@arm.com> References: <20240905092645.2885200-1-christian.loehle@arm.com> Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Neither intel_pstate nor schedutil care for the flag anymore, so remove the update and flag definition. Signed-off-by: Christian Loehle --- include/linux/sched/cpufreq.h | 2 -- kernel/sched/fair.c | 8 -------- 2 files changed, 10 deletions(-) diff --git a/include/linux/sched/cpufreq.h b/include/linux/sched/cpufreq.h index bdd31ab93bc5..d4af813d3126 100644 --- a/include/linux/sched/cpufreq.h +++ b/include/linux/sched/cpufreq.h @@ -8,8 +8,6 @@ * Interface between cpufreq drivers and the scheduler: */ -#define SCHED_CPUFREQ_IOWAIT (1U << 0) - #ifdef CONFIG_CPU_FREQ struct cpufreq_policy; diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 9057584ec06d..5cae0e5619aa 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -6759,14 +6759,6 @@ enqueue_task_fair(struct rq *rq, struct task_struct *p, int flags) */ util_est_enqueue(&rq->cfs, p); - /* - * If in_iowait is set, the code below may not trigger any cpufreq - * utilization updates, so do it here explicitly with the IOWAIT flag - * passed. - */ - if (p->in_iowait) - cpufreq_update_util(rq, SCHED_CPUFREQ_IOWAIT); - for_each_sched_entity(se) { if (se->on_rq) break; -- 2.34.1