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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 01B94C352A4 for ; Mon, 10 Feb 2020 05:56:48 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id BB97D20870 for ; Mon, 10 Feb 2020 05:56:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Xteoyx5c" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BB97D20870 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 36E266B00B9; Mon, 10 Feb 2020 00:56:47 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 31D306B00BB; Mon, 10 Feb 2020 00:56:47 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 233286B00BC; Mon, 10 Feb 2020 00:56:47 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0024.hostedemail.com [216.40.44.24]) by kanga.kvack.org (Postfix) with ESMTP id 0965B6B00B9 for ; Mon, 10 Feb 2020 00:56:47 -0500 (EST) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id A1346180AD802 for ; Mon, 10 Feb 2020 05:56:46 +0000 (UTC) X-FDA: 76473158412.30.spoon64_1e074c12e4602 X-HE-Tag: spoon64_1e074c12e4602 X-Filterd-Recvd-Size: 2459 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf11.hostedemail.com (Postfix) with ESMTP for ; Mon, 10 Feb 2020 05:56:46 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 54E4720715; Mon, 10 Feb 2020 05:56:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581314205; bh=iFyfXB/bGwRN2uAX3Y4+HfQiFBPUx4YBwwl7LAjdo6A=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Xteoyx5cluRrW2Y4H6XerGsMJMUTWk9NxxbCZmbIxc22RxehKYyK1XNqyKSWYSmfw rcL+Rx86k9aON7zNjUXSrr17Jrc2Gn4YizCU6aJLpYM4zpkor4dq1ck9rkqeWiKUJ2 iwF+9k6SdzfGPtJmKxl6YcSientdw3z9m6hXnLYA= Date: Sun, 9 Feb 2020 21:56:44 -0800 From: Andrew Morton To: Baoquan He Cc: David Hildenbrand , Michal Hocko , Naoya Horiguchi , linux-mm@kvack.org Subject: Re: [Bug 206401] kernel panic on Hyper-V after 5 minutes due to memory hot-add Message-Id: <20200209215644.f2dfd7b6cb13f374a0ef8f32@linux-foundation.org> In-Reply-To: <20200210054027.GI26758@MiWiFi-R3L-srv> References: <20200209213217.73abdc867faec8c359e2ba08@linux-foundation.org> <20200210054027.GI26758@MiWiFi-R3L-srv> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Mon, 10 Feb 2020 13:40:27 +0800 Baoquan He wrote: > Hi Andrew, > > On 02/09/20 at 09:32pm, Andrew Morton wrote: > > On Tue, 04 Feb 2020 11:25:48 +0000 bugzilla-daemon@bugzilla.kernel.org wrote: > > > > > https://bugzilla.kernel.org/show_bug.cgi?id=206401 > > > > > > > An oops during mem hotadd. Could someone please take a look when > > convenient? > > This has been addressed by Wei Yang's patch, please check it here: > > http://lkml.kernel.org/r/20200209104826.3385-7-bhe@redhat.com > hm, OK, thanks. It's unfortunate that a 5.5 fix is buried in a six-patch series which is still in progress! Can we please merge that as a standalone fix with a cc:stable, Fixes:, etc?