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=-7.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 608C3C433DF for ; Thu, 4 Jun 2020 07:57:34 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 3949B206DC for ; Thu, 4 Jun 2020 07:57:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3949B206DC Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id B42D180011; Thu, 4 Jun 2020 03:57:33 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id ACD448000E; Thu, 4 Jun 2020 03:57:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9BB4180011; Thu, 4 Jun 2020 03:57:33 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0058.hostedemail.com [216.40.44.58]) by kanga.kvack.org (Postfix) with ESMTP id 7FC518000E for ; Thu, 4 Jun 2020 03:57:33 -0400 (EDT) Received: from smtpin20.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 33371181AEF09 for ; Thu, 4 Jun 2020 07:57:33 +0000 (UTC) X-FDA: 76890774786.20.songs73_41e57029ecb5d Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin20.hostedemail.com (Postfix) with ESMTP id 1686F180C07AB for ; Thu, 4 Jun 2020 07:57:33 +0000 (UTC) X-HE-Tag: songs73_41e57029ecb5d X-Filterd-Recvd-Size: 2004 Received: from mx2.suse.de (mx2.suse.de [195.135.220.15]) by imf43.hostedemail.com (Postfix) with ESMTP for ; Thu, 4 Jun 2020 07:57:32 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 49BEAACAE; Thu, 4 Jun 2020 07:57:34 +0000 (UTC) Date: Thu, 4 Jun 2020 09:57:28 +0200 From: "Joerg, Roedel," To: kernel test robot Cc: LKP , Linux Memory Management List , Andrew Morton , "Stephen, Rothwell," , philip.li@intel.com Subject: Re: 0604a4fd53 ("x86/mm: remove vmalloc faulting"): BUG: unable to handle page fault for address: f8001038 Message-ID: <20200604075728.GM6857@suse.de> References: <5ed869c7.3GpRlu0hrFzKB6an%lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5ed869c7.3GpRlu0hrFzKB6an%lkp@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Rspamd-Queue-Id: 1686F180C07AB X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam01 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: Hi, On Thu, Jun 04, 2020 at 11:25:59AM +0800, kernel test robot wrote: > Greetings, > > 0day kernel testing robot got the below dmesg and the first bad commit is > > https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > > commit 0604a4fd53020a98f029e7fd56d896a136ff2357 > Author: Joerg Roedel > AuthorDate: Sat May 16 15:19:37 2020 +1000 > Commit: Stephen Rothwell > CommitDate: Sat May 16 15:19:37 2020 +1000 > > x86/mm: remove vmalloc faulting > > Remove fault handling on vmalloc areas, as the vmalloc code now takes care > of synchronizing changes to all page-tables in the system. This report is a false positive as the tested commit history does not contain the fixup for map_kernel_range_noflush() which adds the call to arch_sync_kernel_mappings() there. Regards, Joerg