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=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 C4465C56201 for ; Wed, 28 Oct 2020 09:23:17 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2033F24680 for ; Wed, 28 Oct 2020 09:23:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="16o2mt58"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="Fhnoxf++" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2033F24680 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linutronix.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 477066B0062; Wed, 28 Oct 2020 05:23:16 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 42C146B0068; Wed, 28 Oct 2020 05:23:16 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 31A736B006C; Wed, 28 Oct 2020 05:23:16 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0094.hostedemail.com [216.40.44.94]) by kanga.kvack.org (Postfix) with ESMTP id 049696B0062 for ; Wed, 28 Oct 2020 05:23:15 -0400 (EDT) Received: from smtpin15.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id A455B8249980 for ; Wed, 28 Oct 2020 09:23:15 +0000 (UTC) X-FDA: 77420795550.15.run33_2b16a1227283 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin15.hostedemail.com (Postfix) with ESMTP id 78A491814B0C1 for ; Wed, 28 Oct 2020 09:23:15 +0000 (UTC) X-HE-Tag: run33_2b16a1227283 X-Filterd-Recvd-Size: 3564 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by imf49.hostedemail.com (Postfix) with ESMTP for ; Wed, 28 Oct 2020 09:23:14 +0000 (UTC) From: Thomas Gleixner DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1603876992; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=i5h54ImH6QJnWv+pnH/pUe+ysdZ+UDbypp8NpenJpcY=; b=16o2mt58pNs1ppmwKXR6a3Pzo7yfDTy8DtHs4A0bSkAKa6cO/RmW5kdJEMcta7+B9rGN/s FnLlr3dgXPGDKKeYL13G+9cyBBgxXoDjwUSlKKLqv+/N3oCQBqXq2G1goEs8ZCF/dyiQzl Iq//hFBJe3xdj6LRogwkVt96VDjvjcCiXOlLjqY3pHcUNk+uBOs/oOWjfvOAqVTJgVwIBi 6972nK/vNP9f4QYz95ZAjB0pTVJVqMUEHlPNMGg22erUzL/uUDg4it0kgMHSekirMZUGnU PuibDY8ZDr4lBp4fv7Y6uuMWZwhHu1kvz8wHsBpftDjNwGT0trO+z5NpH+69rg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1603876992; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=i5h54ImH6QJnWv+pnH/pUe+ysdZ+UDbypp8NpenJpcY=; b=Fhnoxf++H5mk/R2NV5enmRaqWm1Gw9+tsy+/X7zfBcXN8GI/DDYnsx/bmVhnnjPC7DaU0g Nm4cGzez4TaYjfBA== To: "Zhang\, Qiang" , "pmladek\@suse.com" , "tj\@kernel.org" Cc: "akpm\@linux-foundation.org" , "linux-mm\@kvack.org" , "linux-kernel\@vger.kernel.org" Subject: Re: =?utf-8?B?5Zue5aSNOg==?= [PATCH v2] kthread_worker: re-set CPU affinities if CPU come online In-Reply-To: References: <20201028073031.4536-1-qiang.zhang@windriver.com> <874kme21nv.fsf@nanos.tec.linutronix.de> Date: Wed, 28 Oct 2020 10:23:12 +0100 Message-ID: <871rhi1z7j.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.010870, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Quiang, On Wed, Oct 28 2020 at 08:45, Qiang Zhang wrote: > ________________________________________ > =E5=8F=91=E4=BB=B6=E4=BA=BA: Thomas Gleixner > =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: 2020=E5=B9=B410=E6=9C=8828=E6=97=A5= 16:30 > =E6=94=B6=E4=BB=B6=E4=BA=BA: Zhang, Qiang; pmladek@suse.com; tj@kernel.org > =E6=8A=84=E9=80=81: akpm@linux-foundation.org; linux-mm@kvack.org; linux-= kernel@vger.kernel.org > =E4=B8=BB=E9=A2=98: Re: [PATCH v2] kthread_worker: re-set CPU affinities = if CPU come online Can you please teach your mail client not to copy the mail headers into the reply? > [Please note this e-mail is from an EXTERNAL e-mail address] And delete this non-information please. > On Wed, Oct 28 2020 at 15:30, qiang zhang wrote: > >>How is that addressing any of the comments I made on V1 of this? > > Do you mean the following problem: >=20=20 > "The dynamic hotplug states run late. What's preventing work to be queued > on such a worker before it is bound to the CPU again?" This is one problem, but there are more and I explained them in great length. If there is anything unclear, then please ask. Thanks, tglx