From patchwork Thu Jul 27 19:33:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dietmar Eggemann X-Patchwork-Id: 108857 Delivered-To: patch@linaro.org Received: by 10.140.101.44 with SMTP id t41csp2484699qge; Thu, 27 Jul 2017 12:34:20 -0700 (PDT) X-Received: by 10.98.158.66 with SMTP id s63mr1904882pfd.126.1501184060127; Thu, 27 Jul 2017 12:34:20 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1501184060; cv=none; d=google.com; s=arc-20160816; b=zRytHd6WOHqMfoovG+vF2qv1yWEYPDxpeBK5Xny04KmCHLnVol4K2uBZoWOaSqetc1 TuoysYxSQR7SkUK82AJ6vimubDP6N7bJd7rRbBTBFo8QjBu8sQBVsVYxk6s+o6MzBH/3 ULOH6QvFm9g7Ny12EdBU5tBrbDf7Ix0DUx864xt05CHeCHKZuO0fF4D93HvGz1F3ZOaw KROCtBqE+3xQrCXDLebTzAu6WifNCeX8z5dW5yfuCHiJ/CBNQDF8WKRgsZFAXXP+tIv6 /5sVk7OhoJtrcI2LhpIf2AjSaNa4IJ/W7zewa4zTFXROciv5UA/XeeVWX1Qlc0rBcMF2 UVMQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:references:in-reply-to:message-id:date :subject:cc:to:from:arc-authentication-results; bh=3vV6a0L9Hx5d3aeIgf0AGkmxrQ4j/KylFjUT7+BNnSE=; b=y/uJv/E+nbPK20K+rcSkDKJRnF1rDGFd6ofp0s/41iVawimhD1ilsbWPRQf9fqCGwK C1ZO8UkuZXJ2sMYlny3naKf4EUM9fYVOwcPBP7B+QdMofYqzm2mAvBrVK3CrlI5q3ULY j4otT2t/gDjonJ2UWPbvFdSwk0SbqNBF8Jms28yoChD10ms9TzVBhp2IAV237kpxMHcH 81nN8foP+hg8pCxw5xOcvrBqVeXIhEhU7SFDOz+s03cp7HdtXXQLcIB3ZnOcjRPL4+wi dtxK2uusCyiond2/UZbij96H2O2qrlte4EAJadfNu/X8ThqObex4X9M8pYcTyK9EVs+e 773w== ARC-Authentication-Results: i=1; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d187si6992658pfc.497.2017.07.27.12.34.19; Thu, 27 Jul 2017 12:34:20 -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 S1751885AbdG0TeD (ORCPT + 26 others); Thu, 27 Jul 2017 15:34:03 -0400 Received: from foss.arm.com ([217.140.101.70]:51154 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751788AbdG0TeA (ORCPT ); Thu, 27 Jul 2017 15:34:00 -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 128BF1682; Thu, 27 Jul 2017 12:34:00 -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 820173F540; Thu, 27 Jul 2017 12:33:57 -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 v3 09/10] arm64: wire frequency-invariant accounting support up to the task scheduler Date: Thu, 27 Jul 2017 20:33:11 +0100 Message-Id: <20170727193312.9849-10-dietmar.eggemann@arm.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170727193312.9849-1-dietmar.eggemann@arm.com> References: <20170727193312.9849-1-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 */