From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751191AbeCIPca (ORCPT ); Fri, 9 Mar 2018 10:32:30 -0500 Received: from szxga05-in.huawei.com ([45.249.212.191]:6217 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751096AbeCIPc3 (ORCPT ); Fri, 9 Mar 2018 10:32:29 -0500 Subject: Re: [PATCH] arm64: defconfig: enable IOSCHED_DEADLINE To: John Garry References: <1517318577-56430-1-git-send-email-john.garry@huawei.com> CC: , , , , , From: Wei Xu Message-ID: <5AA2A8EB.6050405@hisilicon.com> Date: Fri, 9 Mar 2018 15:31:55 +0000 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.6.0 MIME-Version: 1.0 In-Reply-To: <1517318577-56430-1-git-send-email-john.garry@huawei.com> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.202.226.45] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi John, On 2018/1/30 13:22, John Garry wrote: > 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 Applied into hisilicon defconfig tree. Thanks! BR, Wei > > 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 >