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[209.132.180.67]) by mx.google.com with ESMTP id h82si23535430pfa.305.2017.05.23.22.31.41; Tue, 23 May 2017 22:31:42 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S969239AbdEXFb2 (ORCPT + 25 others); Wed, 24 May 2017 01:31:28 -0400 Received: from mail-pg0-f41.google.com ([74.125.83.41]:32998 "EHLO mail-pg0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S969156AbdEXFao (ORCPT ); Wed, 24 May 2017 01:30:44 -0400 Received: by mail-pg0-f41.google.com with SMTP id u187so60157604pgb.0 for ; Tue, 23 May 2017 22:30:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=35bb7eAf/rdwfVjY20K2jI2v2/ihJTvaU01n6l626tM=; b=UE9gsy/YpWFxAEOhf9QpRoyfTaacXBt7mgIsrmm0V69MNAOcu0qmdFrjMExRqnS8kK 39jqqKTagqZXUiEC1AeGyVdikVMAf8LzxT3bC3RQ4cFnickmSCgROkXZxA928bwj7x/Z RZVljQ84xITKP/35hMI11D+vq3nBeL93EpC5o= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=35bb7eAf/rdwfVjY20K2jI2v2/ihJTvaU01n6l626tM=; b=HJktD8ZlWzAwERFYGhMqL3ZKK59CL5XhQ3xxOYyaxu1xMbvqaQcTAMwidJAW9ExOfm xHEYhsDAlUqh2wQyD+2/8jK041kWM0NDD6GvlWiUHU7bU6io3GiaBvS3/pRGIdpklZ+C YvPcrN+kimADzWQVNvjTEDM0AVeoMF6SPt4VWDo/UmSOC37dmFGjaTuti59arWs5nZvS I52WD8ihvZmbtMsgYC5BWZmsbH4A7u8CHgwgs2ohWVtkEJ90dY/TVnPapJY1UGRn1Nwk UVN3of2NpFAHUeDQA1halyIm2ijG6EvAapWLnlXBKXi17sxq7dvdrcv3F31PMIhoAIRK 3KwA== X-Gm-Message-State: AODbwcDHymDXWAVyjnX9Dg4u5PfWEzvBEx7cudDHrDSIhj3U5LMBE7xP MwfRGnUTuDe1Hs58 X-Received: by 10.98.211.87 with SMTP id q84mr36513811pfg.126.1495603838963; Tue, 23 May 2017 22:30:38 -0700 (PDT) Received: from localhost ([122.167.143.58]) by smtp.gmail.com with ESMTPSA id l7sm5267490pgn.10.2017.05.23.22.30.37 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 23 May 2017 22:30:38 -0700 (PDT) From: Viresh Kumar To: Ingo Molnar , Peter Zijlstra Cc: Viresh Kumar , linaro-kernel@lists.linaro.org, linux-kernel@vger.kernel.org, Vincent Guittot Subject: [PATCH 6/6] sched: cpufreq: Optimize cpufreq_update_this_cpu() a bit Date: Wed, 24 May 2017 10:59:57 +0530 Message-Id: X-Mailer: git-send-email 2.13.0.70.g6367777092d9 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org smp_processor_id() can result in a function call if CONFIG_DEBUG_PREEMPT is enabled. It would be much straight forward to use this_rq() macro instead. Signed-off-by: Viresh Kumar --- kernel/sched/sched.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) -- 2.13.0.70.g6367777092d9 diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index bcdf6a136c59..4220ec76d643 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1995,7 +1995,7 @@ static inline void cpufreq_update_util(struct rq *rq, unsigned int flags) static inline void cpufreq_update_this_cpu(struct rq *rq, unsigned int flags) { - if (cpu_of(rq) == smp_processor_id()) + if (rq == this_rq()) cpufreq_update_util(rq, flags); } #else