From patchwork Tue Jan 30 13:22:57 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Garry X-Patchwork-Id: 126220 Delivered-To: patch@linaro.org Received: by 10.46.84.92 with SMTP id y28csp3317920ljd; Tue, 30 Jan 2018 04:31:08 -0800 (PST) X-Google-Smtp-Source: AH8x226kpHyH7xUBdjoY85tgOI8hK+9S9Pg+C0I/Mu3/ZwVKxQ3fLXoKGXcNFgrrTSAlMiJuo7Vh X-Received: by 2002:a17:902:722:: with SMTP id 31-v6mr569984pli.331.1517315468002; Tue, 30 Jan 2018 04:31:08 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517315467; cv=none; d=google.com; s=arc-20160816; b=RKh672JhNnBoH1jbUOQoxaLSPS2jVIJhx17rYY7HkyX/V7cQpNp2/l/K0F954+iwdX hiw6vyFpjb8eiFMa2AiWny+w4tYHMh2cHL5pn83Ppn/YYyKTIeuIv6sd2P+5BTEmRwPZ LlK98KsTqQ4IYyHUiQ8d/hSxTe1+TbKiL2Dqtz8FIX3HzxpM2bDLqz4ZArIroSJXNN2R DBa2CzIKpCNzyZxNBKJjQHlNXDmlV6GHsDylFzsgn9+wB/xEZawh6a+H5FP7e8uNJV+7 6F2ZdlatRpWbAGXDhhRNpvUbD8e3O95GgDylGX54wvawuVmPnKuyO1OTNwRb1kZtLfJP Bv9A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:subject:cc :to:from:arc-authentication-results; bh=dEjtTiqyxFpGLeU0Je+xChVs5gZN4jet6SNNwYRzVpk=; b=knIvGms4mymTeEzPG6M+2JbU8NmtZ60vnw74fZ7bH/WGVPgvGCHdZ8Ms8UeLwamM/e W1q50lZvgdsFttfixoeb1tqysaIWM4lhNUj6qQ9jsiiHh/8gqtWI2cOSigFokVEpVGJy A7YcXjxQYgoCczKK3giJ7HQ6Ikl2UEmXiBF8yZr96NcdRR5Tt36/01STlY0tqOoAa+C7 PcG9c5J39U+9wD+LRy6lgORtFEF0nSR7ZqqAt4flus3pvH4/khbmTYq9S8fqkao2WWLz uOtmmCYiTNJ1RAefcZLGtNx4B9uBM0C/urDTmFQ3aXIaODIw+xR7sl8UtfyLFAcRa8JG pE4A== 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 z4-v6si1595169pln.273.2018.01.30.04.31.07; Tue, 30 Jan 2018 04:31:07 -0800 (PST) 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 S1751986AbeA3MbF (ORCPT + 25 others); Tue, 30 Jan 2018 07:31:05 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:4744 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751590AbeA3MbE (ORCPT ); Tue, 30 Jan 2018 07:31:04 -0500 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id D9503E24EDA3A; Tue, 30 Jan 2018 20:30:49 +0800 (CST) Received: from localhost.localdomain (10.67.212.75) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.361.1; Tue, 30 Jan 2018 20:30:42 +0800 From: John Garry To: CC: , , , , , , John Garry Subject: [PATCH] arm64: defconfig: enable IOSCHED_DEADLINE Date: Tue, 30 Jan 2018 21:22:57 +0800 Message-ID: <1517318577-56430-1-git-send-email-john.garry@huawei.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-Originating-IP: [10.67.212.75] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For certain workloads the deadline IO scheduler offers particular advantages over other schedulers and has shown to perform better, so enable it. The default IO scheduler is unaffected by this change, and currently is CFQ. Signed-off-by: John Garry -- 1.9.1 diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index 634b373..40c72e6 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -31,7 +31,6 @@ CONFIG_PROFILING=y CONFIG_JUMP_LABEL=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y -# CONFIG_IOSCHED_DEADLINE is not set CONFIG_ARCH_SUNXI=y CONFIG_ARCH_ALPINE=y CONFIG_ARCH_BCM2835=y