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=-12.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 A12C7C432BE for ; Wed, 28 Jul 2021 17:25:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 88F8F6101E for ; Wed, 28 Jul 2021 17:25:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230401AbhG1RZ1 (ORCPT ); Wed, 28 Jul 2021 13:25:27 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:52168 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229537AbhG1RZZ (ORCPT ); Wed, 28 Jul 2021 13:25:25 -0400 Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id AE0541FD69; Wed, 28 Jul 2021 17:25:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1627493122; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=4z+d2ZwNRoqxW73+AMa5bSmFlzTgfCxptCbaDT+hb/U=; b=W2eTPAugUxJczVRyP2sMAeHaks8tARW0o11sV3lPJ0De6/bEmVKvCzl4+lxdv61v3KWrj5 qmfjL6DjgtwwBYcvLbmzBaJ16HGAXTAH21b7yrUV2xli1avXSggtcKoSyfogCik+fm8eMY qyYSjIVo+fZcp95VHyImHRtliCGiGuM= Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap1.suse-dmz.suse.de (Postfix) with ESMTPS id 783ED13318; Wed, 28 Jul 2021 17:25:22 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap1.suse-dmz.suse.de with ESMTPSA id 2vE2HAKTAWEALwAAGKfGzw (envelope-from ); Wed, 28 Jul 2021 17:25:22 +0000 Date: Wed, 28 Jul 2021 19:25:21 +0200 From: Michal =?iso-8859-1?Q?Koutn=FD?= To: Waiman Long Cc: Tejun Heo , Zefan Li , Johannes Weiner , Jonathan Corbet , Shuah Khan , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Andrew Morton , Roman Gushchin , Phil Auld , Peter Zijlstra , Juri Lelli , Frederic Weisbecker , Marcelo Tosatti Subject: Re: [PATCH v3 6/9] cgroup/cpuset: Add a new isolated cpus.partition type Message-ID: <20210728172521.GE7584@blackbody.suse.cz> References: <20210720141834.10624-1-longman@redhat.com> <20210720141834.10624-7-longman@redhat.com> <20210728160900.GA8905@blackbody.suse.cz> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="k4f25fnPtRuIRUb3" Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --k4f25fnPtRuIRUb3 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 28, 2021 at 12:27:58PM -0400, Waiman Long wr= ote: > PRS_ERROR cannot be passed to update_prstate(). For this patchset, PRS_ER= ROR > can only be set by changes in hotplug. The current design will maintain t= he > set flag (CS_SCHED_LOAD_BALANCE) and use it to decide to switch back to > PRS_ENABLED or PRS_ISOLATED when the cpus are available again. I see it now, thanks. (I still find a bit weird that the "isolated" partition will be shown as "root invalid" when it's lacking cpus (instead of "isolated invalid" and returning to "isolated") but I can understand the approach of having just one "root invalid" for all.) This patch can have Reviewed-by: Michal Koutn=FD --k4f25fnPtRuIRUb3 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEEoQaUCWq8F2Id1tNia1+riC5qSgFAmEBkvoACgkQia1+riC5 qSjxqg/8DOuQ6BV0vUCrSyyP0k+Wyx7QwrY7UHosDiAVrUYlzfd0NEhckQf7fDr4 faf5/E/Y0t99oRaBYnPqtaqUjtiUUB4e7L/uTxrfGaeOT2SyAHjq5QHtFcdSOHgz OfinfqEGFuMQLo2vbWtuKaPs6avaPT6443FT/WpG29FHkB7wRPuBAS0f3USLQ/F4 /GqawCdjKCZ4pP59LQpb5jSELNtQKaxe6MpZJ0tcj9JpFgnR6XZcwmxe0FP2hHtY JzcnXUfMW3CU4yynukd5rEwrCiVS1T5w9XLh0d/MrvbamMEfwBMY8hoVH3md32X4 oTVdlW1IrKkm+VXoW/71WTzKTlkXof/MxMe52QigiOj25g+W/R2CTAoaCKVY5Ou3 RgQNljmvKmN7kh14Zc469PLC8R8t+FYVdMM4xmK+HjbFOBAaymWx6eUHejfQNba0 sgulNpYQjzeR+OBqqt7NI+KLu9s1yag6ZY+N2bUtOWxsdMjuU4vY0yWuHw+SnrTF itkJg/NIkUmFccnq1ToOAxHyC5vA6ux8rUDBPnJduXr1czXZKi8zoy31h4uq6CAF iWqDZdmi9dOB9A3rbjOm8BP0vHrs7s3tSLc0c4tu6VncM0mosp6dDGC8RCam3YCG mnFetTKvSLbNBN/6k3f6nKLX6AGzNHs45EiSi7ut17NMVk5/5EU= =i07x -----END PGP SIGNATURE----- --k4f25fnPtRuIRUb3--