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[209.132.180.67]) by mx.google.com with ESMTP id u12si5488170plz.696.2017.09.26.09.42.50; Tue, 26 Sep 2017 09:42:50 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031485AbdIZQmr (ORCPT + 26 others); Tue, 26 Sep 2017 12:42:47 -0400 Received: from foss.arm.com ([217.140.101.70]:36106 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030795AbdIZQmo (ORCPT ); Tue, 26 Sep 2017 12:42:44 -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 76F11169E; Tue, 26 Sep 2017 09:42:44 -0700 (PDT) Received: from e107985-lin.cambridge.arm.com (e107985-lin.cambridge.arm.com [10.1.210.41]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 1E1533F483; Tue, 26 Sep 2017 09:42:41 -0700 (PDT) From: Dietmar Eggemann To: linux-kernel@vger.kernel.org Cc: linux-pm@vger.kernel.org, linux@arm.linux.org.uk, Greg Kroah-Hartman , Russell King , Catalin Marinas , Will Deacon , Juri Lelli , Vincent Guittot , Peter Zijlstra , Morten Rasmussen , Viresh Kumar , "Rafael J . Wysocki" , Sudeep Holla Subject: [PATCH v5 09/10] arm64: wire frequency-invariant accounting support up to the task scheduler Date: Tue, 26 Sep 2017 17:41:14 +0100 Message-Id: <20170926164115.32367-10-dietmar.eggemann@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170926164115.32367-1-dietmar.eggemann@arm.com> References: <20170926164115.32367-1-dietmar.eggemann@arm.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit dfbca41f3479 ("sched: Optimize freq invariant accounting") changed the wiring which now has to be done by associating arch_scale_freq_capacity with the actual implementation provided by the architecture. Define arch_scale_freq_capacity to use the arch_topology "driver" function topology_get_freq_scale() for the task scheduler's frequency-invariant accounting instead of the default arch_scale_freq_capacity() in kernel/sched/sched.h. Cc: Catalin Marinas Cc: Will Deacon Cc: Juri Lelli Signed-off-by: Dietmar Eggemann Acked-by: Catalin Marinas Acked-by: Vincent Guittot Tested-by: Juri Lelli Reviewed-by: Juri Lelli --- arch/arm64/include/asm/topology.h | 5 +++++ 1 file changed, 5 insertions(+) -- 2.11.0 diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h index 8b57339823e9..44598a86ec4a 100644 --- a/arch/arm64/include/asm/topology.h +++ b/arch/arm64/include/asm/topology.h @@ -32,6 +32,11 @@ int pcibus_to_node(struct pci_bus *bus); #endif /* CONFIG_NUMA */ +#include + +/* Replace task scheduler's default frequency-invariant accounting */ +#define arch_scale_freq_capacity topology_get_freq_scale + #include #endif /* _ASM_ARM_TOPOLOGY_H */