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: 10191759 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id F195E60375 for ; Tue, 30 Jan 2018 12:31:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DF6082882E for ; Tue, 30 Jan 2018 12:31:22 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D3D6A28669; Tue, 30 Jan 2018 12:31:22 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 6B47A2882E for ; Tue, 30 Jan 2018 12:31:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=2XHTGrzBSzh7Y7WWpdj7+qXEfco9MeeZVihkS5u+okE=; b=ZU8NFpy4/slQbt JLf7JDz6aBtvl0e3tX7d8NrDkJmc2SsVqzUDOIk8lM71M159ivurSejuTizlclzrDeb7wIC7yUKl3 uFpkJkPytgG46ibkhwGQbACoTGQ7Uwo4dimg+qxF8WRycBukYlk5ReYLVB8Lbhc+AyD5Zap4FSkHq /jvbA8hXyJlW+bLyy8rPM5pVryNZauyYT5vHW5Ce8iHA0wpDT4rRLuYVLowvBpFe+9CZpFi4jO78Y gIbqsBQ40t4F/XH41YFDFkaQqnZJ/OEhvzTdsqSwqI6KbG0xBmvxIhFFoVYVefzTlI31F/Fi/EgkM uY+xqxg1yVWbDjWkVDGg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1egV4K-0003eC-CX; Tue, 30 Jan 2018 12:31:20 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1egV4G-0003dH-S3 for linux-arm-kernel@lists.infradead.org; Tue, 30 Jan 2018 12:31:18 +0000 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: 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 X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: arnd@arndb.de, catalin.marinas@arm.com, John Garry , will.deacon@arm.com, linux-kernel@vger.kernel.org, linuxarm@huawei.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 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