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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_MUTT 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 398C7C48BE0 for ; Fri, 21 Jun 2019 13:55:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 108F42083B for ; Fri, 21 Jun 2019 13:55:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561125312; bh=AlP4bCOPOkaZcp/ELTb4RXzhkWt9BWIm9zyJH72saRI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=mBi3yhV47uTChJTy/ubZQFk67Y8MdTkI+9RQwi8uJm+bTUsKpIc8mq6DYsFTI3Edc cltxEwIbeeIu/7oS7kSyDRwRXtXo4QDrEL+MM7BaibY3Y1dzExeFtNt75rwh9EphhU kUhgAeIFDHKq9qd83lhOUbt5NyXayJJ8WCestr0o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726063AbfFUNzK (ORCPT ); Fri, 21 Jun 2019 09:55:10 -0400 Received: from mx2.suse.de ([195.135.220.15]:49560 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726002AbfFUNzK (ORCPT ); Fri, 21 Jun 2019 09:55:10 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 06E6FACE1; Fri, 21 Jun 2019 13:55:08 +0000 (UTC) Date: Fri, 21 Jun 2019 15:55:07 +0200 From: Michal Hocko To: Qian Cai Cc: akpm@linux-foundation.org, brho@google.com, kernelfans@gmail.com, dave.hansen@intel.com, rppt@linux.ibm.com, peterz@infradead.org, mpe@ellerman.id.au, mingo@elte.hu, osalvador@suse.de, luto@kernel.org, tglx@linutronix.de, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH -next v2] mm/hotplug: fix a null-ptr-deref during NUMA boot Message-ID: <20190621135507.GE3429@dhcp22.suse.cz> References: <20190512054829.11899-1-cai@lca.pw> <20190513124112.GH24036@dhcp22.suse.cz> <1561123078.5154.41.camel@lca.pw> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1561123078.5154.41.camel@lca.pw> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri 21-06-19 09:17:58, Qian Cai wrote: > Sigh... > > I don't see any benefit to keep the broken commit, > > "x86, numa: always initialize all possible nodes" > > for so long in linux-next that just prevent x86 NUMA machines with any memory- > less node from booting. > > Andrew, maybe it is time to drop this patch until Michal found some time to fix > it properly. Yes, please drop the patch for now, Andrew. I thought I could get to this but time is just scarce. -- Michal Hocko SUSE Labs