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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 1FF51C433E0 for ; Thu, 4 Jun 2020 08:35:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EFE4F204EF for ; Thu, 4 Jun 2020 08:35:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728016AbgFDIfP (ORCPT ); Thu, 4 Jun 2020 04:35:15 -0400 Received: from mx2.suse.de ([195.135.220.15]:59466 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726802AbgFDIfP (ORCPT ); Thu, 4 Jun 2020 04:35:15 -0400 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 09FFAAC46; Thu, 4 Jun 2020 08:35:18 +0000 (UTC) Date: Thu, 4 Jun 2020 10:35:12 +0200 From: Joerg Roedel To: Guenter Roeck Cc: Andrew Morton , Andy Lutomirski , Peter Zijlstra , Linus Torvalds , linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/vmalloc: track which page-table levels were modified Message-ID: <20200604083512.GN6857@suse.de> References: <20200603232311.GA205619@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200603232311.GA205619@roeck-us.net> 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 Hi Guenter, On Wed, Jun 03, 2020 at 04:23:11PM -0700, Guenter Roeck wrote: > This patch causes crashes with all my ppc64 boot tests, in various > locations depending on the platform. Reverting it together with its > companion "mm/ioremap: track which page-table levels were modified" > fixes the problem. > > Various logs are at > https://kerneltests.org/builders/qemu-ppc64-master/builds/1442/steps/qemubuildcommand/logs/stdio I posted the fix for this already: https://lore.kernel.org/lkml/20200604074446.23944-1-joro@8bytes.org/ Regards, Joerg