From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AIpwx48DaCYGdRovdwT0b0Zq/CNNST4jzHplqI+Jo8391SvTT+zDj1nWJjhH1wE1u9eaMOHD2Qyo ARC-Seal: i=1; a=rsa-sha256; t=1523029036; cv=none; d=google.com; s=arc-20160816; b=xay7IJheT8uZzwdhsr3rTN6S4ZvIdxgbyNXEgMnHxpTPSSyvbFvUuCv8Lbo+2qnUwE wxlqQtX3B523gj8iazq+kgYy/fkdxIM+FcYfwOk0z1MdoE7YqKaJ+aXshunrNMnFgUJY OFbxF/bF0Y7EXudJxl4LkDBjlc+6GKjM8gXmdGQMUEYowUl6JHodMVwo+Hd746/HKze2 O04yOKiCXtx/95oK0FfZqMSkv7FufB5Bl8iQ2eA+cGrVlYYwF5y30b5IhSjkFWwTM0f8 d6GKF/ws3Xa+M3M/B2+2LextV29JayaHbNX60yZCApyfBPpY6c5GopxMHXPe8E6pLKIm 7g1w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :arc-authentication-results; bh=bGg790ld8yQQhclKQOYhOJLXPjmlYSVR8dvNt6PH4Dw=; b=fHn+qJ8YL5qi5Jz0tOxQPz/vKrti2bIVlkpKfscUdnxc3YAtVZZnZgGB7yXTzlYtDj tNiyHFRCmc9zLCm24uP8u8Vv8skMAXxCy+I77mKIwwayEd+RgpGz0iMNg8M6ICYrd983 x2spSluHPcaUQ81XYpvZQeFIkXTFXI10wzQbjbI8kaWsF5/LZIQ2FsCHl+A2mkf487x0 Yi/x9hXb5c+6k0Wf90uCfBX2cP3KnidpCF6NzNULicbMX0N8qjrORqnB3wCUivmeElue Kb3G5rKCLlkxNIGYTT2UfZsNCqHnNbiae1cow1H0rHeJdzs2EJxJG2OkJmDnax37sYls pkWg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of dietmar.eggemann@arm.com designates 217.140.101.70 as permitted sender) smtp.mailfrom=dietmar.eggemann@arm.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of dietmar.eggemann@arm.com designates 217.140.101.70 as permitted sender) smtp.mailfrom=dietmar.eggemann@arm.com From: Dietmar Eggemann To: linux-kernel@vger.kernel.org, Peter Zijlstra , Quentin Perret , Thara Gopinath Cc: linux-pm@vger.kernel.org, Morten Rasmussen , Chris Redpath , Patrick Bellasi , Valentin Schneider , "Rafael J . Wysocki" , Greg Kroah-Hartman , Vincent Guittot , Viresh Kumar , Todd Kjos , Joel Fernandes , Juri Lelli , Steve Muckle , Eduardo Valentin Subject: [RFC PATCH v2 6/6] drivers: base: arch_topology.c: Enable EAS for arm/arm64 platforms Date: Fri, 6 Apr 2018 16:36:07 +0100 Message-Id: <20180406153607.17815-7-dietmar.eggemann@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180406153607.17815-1-dietmar.eggemann@arm.com> References: <20180406153607.17815-1-dietmar.eggemann@arm.com> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1597011694863880023?= X-GMAIL-MSGID: =?utf-8?q?1597011694863880023?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Quentin Perret Energy Aware Scheduling (EAS) has to be started from the arch code. This commit enables it from the arch topology driver for arm/arm64 systems, hence enabling a better support for Arm big.LITTLE and future DynamIQ architectures. Cc: Greg Kroah-Hartman Signed-off-by: Quentin Perret Signed-off-by: Dietmar Eggemann --- drivers/base/arch_topology.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 52ec5174bcb1..25a70c21860f 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -15,6 +15,7 @@ #include #include #include +#include DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE; @@ -247,6 +248,7 @@ static void __init parsing_done_workfn(struct work_struct *work) cpufreq_unregister_notifier(&init_cpu_capacity_notifier, CPUFREQ_POLICY_NOTIFIER); free_cpumask_var(cpus_to_visit); + init_sched_energy(); } #else -- 2.11.0