From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2DC45C43441 for ; Wed, 14 Nov 2018 02:09:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D1C4420896 for ; Wed, 14 Nov 2018 02:09:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D1C4420896 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731834AbeKNMKm (ORCPT ); Wed, 14 Nov 2018 07:10:42 -0500 Received: from mx1.redhat.com ([209.132.183.28]:56804 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727005AbeKNMKl (ORCPT ); Wed, 14 Nov 2018 07:10:41 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id ECF44307D991; Wed, 14 Nov 2018 02:09:37 +0000 (UTC) Received: from llong.remote.csb (ovpn-116-153.phx2.redhat.com [10.3.116.153]) by smtp.corp.redhat.com (Postfix) with ESMTP id 04FF21001F41; Wed, 14 Nov 2018 02:09:36 +0000 (UTC) Subject: Re: [PATCH cgroup/for-4.21 1/2] cpuset: Minor cgroup2 interface updates To: Tejun Heo , Peter Zijlstra Cc: Li Zefan , Johannes Weiner , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org References: <20181113201339.GN2509588@devbig004.ftw2.facebook.com> From: Waiman Long Openpgp: preference=signencrypt Autocrypt: addr=longman@redhat.com; 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Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20181113201339.GN2509588@devbig004.ftw2.facebook.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.48]); Wed, 14 Nov 2018 02:09:38 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/13/2018 12:13 PM, Tejun Heo wrote: > From b1e3aeb11c5e86ee0988a038c4e7682d6beaa977 Mon Sep 17 00:00:00 2001 > From: Tejun Heo > Date: Tue, 13 Nov 2018 12:03:33 -0800 > > * Rename the partition file from "cpuset.sched.partition" to > "cpuset.cpus.partition". > > * When writing to the partition file, drop "0" and "1" and only accept > "member" and "root". > > Signed-off-by: Tejun Heo > Cc: Peter Zijlstra (Intel) > Cc: Waiman Long > --- > Two minor cpuset interface followup patches. Applying to > cgroup/for-4.21. > > Thanks. > > Documentation/admin-guide/cgroup-v2.rst | 6 +++--- > kernel/cgroup/cpuset.c | 8 ++++---- > 2 files changed, 7 insertions(+), 7 deletions(-) > > diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst > index f83a5231bbe3..07e06136a550 100644 > --- a/Documentation/admin-guide/cgroup-v2.rst > +++ b/Documentation/admin-guide/cgroup-v2.rst > @@ -1708,15 +1708,15 @@ Cpuset Interface Files > > Its value will be affected by memory nodes hotplug events. > > - cpuset.sched.partition > + cpuset.cpus.partition > A read-write single value file which exists on non-root > cpuset-enabled cgroups. This flag is owned by the parent cgroup > and is not delegatable. > > It accepts only the following input values when written to. > > - "root" or "1" - a paritition root > - "member" or "0" - a non-root member of a partition > + "root" - a paritition root > + "member" - a non-root member of a partition > > When set to be a partition root, the current cgroup is the > root of a new partition or scheduling domain that comprises > diff --git a/kernel/cgroup/cpuset.c b/kernel/cgroup/cpuset.c > index b897314bab53..1151e93d71b6 100644 > --- a/kernel/cgroup/cpuset.c > +++ b/kernel/cgroup/cpuset.c > @@ -2468,11 +2468,11 @@ static ssize_t sched_partition_write(struct kernfs_open_file *of, char *buf, > buf = strstrip(buf); > > /* > - * Convert "root"/"1" to 1, and convert "member"/"0" to 0. > + * Convert "root" to ENABLED, and convert "member" to DISABLED. > */ > - if (!strcmp(buf, "root") || !strcmp(buf, "1")) > + if (!strcmp(buf, "root")) > val = PRS_ENABLED; > - else if (!strcmp(buf, "member") || !strcmp(buf, "0")) > + else if (!strcmp(buf, "member")) > val = PRS_DISABLED; > else > return -EINVAL; > @@ -2631,7 +2631,7 @@ static struct cftype dfl_files[] = { > }, > > { > - .name = "sched.partition", > + .name = "cpus.partition", > .seq_show = sched_partition_show, > .write = sched_partition_write, > .private = FILE_PARTITION_ROOT, I am fine with both of your patches. Acked-by: Waiman Long