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=-2.0 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 D5CFAC43603 for ; Wed, 4 Dec 2019 19:03:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A5172206DF for ; Wed, 4 Dec 2019 19:03:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YRWQO5g4" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728640AbfLDTDp (ORCPT ); Wed, 4 Dec 2019 14:03:45 -0500 Received: from mail-pl1-f196.google.com ([209.85.214.196]:43399 "EHLO mail-pl1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728114AbfLDTDp (ORCPT ); Wed, 4 Dec 2019 14:03:45 -0500 Received: by mail-pl1-f196.google.com with SMTP id q16so99089plr.10; Wed, 04 Dec 2019 11:03:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to :user-agent; bh=+2HrNLTVWalIHUdX8QP/0YhRSnO47+yfuy7Xa7RxbV8=; b=YRWQO5g4rLkC0MblwqJ+tUEXDF2+/MiYU+xHjLTAS03SfnEYtgh/M/DTb3eYvIoMZB JDR0KdSxhfC0/W2Db0d9wuz8uTQGbe65wHS0QZbtAD9+L3ih542dTM3oD+6o/W6aWWv0 2hqDJ8xVqp3Jc1hvFyz6MU8HmgZnJ1SmLVOzeKVg7lJi/qzW+953JWN8vQBVkkiPu7lw sWaHIkuuWaLRl8PKGoxCY5RFipxX5KQp6Z4p+zL+GhYHahssE99KMrEf/SQCDoM/+qYT D/3SjMcFeLXmL9GQvObKurlXju9QNEl4dZrU9QYQwhWXqoQtofODXRTIlPRPKAkMkN0m Zqzg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition :content-transfer-encoding:in-reply-to:user-agent; bh=+2HrNLTVWalIHUdX8QP/0YhRSnO47+yfuy7Xa7RxbV8=; b=XbeVAt4IUgIDssmcbZ8pncKd+dKHV3LsdhLn9rBVHQt6C+FNelKem1MepIrrSXg5F9 Jk3kmvtHxdqI51Zxbg4O66v2byhMlx2WEZo5miVwgaaubsXWSu5zZy7HMx1th93GxBWS RW1xtzLQauo+q+utfjgjw5MmJBhvQCaxLsTvOCu91kw2JG7ZncwZ3T7GW/afl89VbHqf aM5bt8cOAf94lCJ/izv+inekbsLkmAoy9it5hY0TJYhbi2ZN8cNUWo/WSYhk3hDXCU3P p8lXahwlrQa8qZVAr+E0uyu4GLsMA0J39QuI9/4R7rlI4kGLW3bHBITDZceXDmLo4cUj pkmg== X-Gm-Message-State: APjAAAVArcNDFcpg9Ifi3W3ZWqTwVq5o1f9gaYwbQZJ5ipUXlYgLKsA3 7MUbIMjXT0BRd7New/qCzR2NAsx2 X-Google-Smtp-Source: APXvYqz6lJM0e4EEbZp8mRchegTfRf+2Kjkl5gI2q0pdvDqiaIXymUCQ7kv2L298qRyBZbdnKrQ7Cg== X-Received: by 2002:a17:902:d902:: with SMTP id c2mr4592247plz.188.1575486224402; Wed, 04 Dec 2019 11:03:44 -0800 (PST) Received: from localhost ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id e11sm8487714pgh.54.2019.12.04.11.03.42 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 04 Dec 2019 11:03:43 -0800 (PST) Date: Wed, 4 Dec 2019 11:03:41 -0800 From: Guenter Roeck To: Geert Uytterhoeven Cc: Peter Zijlstra , Will Deacon , "Aneesh Kumar K.V" , Andrew Morton , Nicholas Piggin , Linux-Arch , Linux MM , Linux Kernel Mailing List , Russell King , Heiko Carstens , Rik van Riel , Yoshinori Sato , Rich Felker , Linux-sh list Subject: Re: [PATCH v6 10/18] sh/tlb: Convert SH to generic mmu_gather Message-ID: <20191204190341.GA11419@roeck-us.net> References: <20190219103148.192029670@infradead.org> <20190219103233.443069009@infradead.org> <20191204104733.GR2844@hirez.programming.kicks-ass.net> <156fa92f-4c5a-08bd-bcda-20029724c0de@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 04, 2019 at 04:17:26PM +0100, Geert Uytterhoeven wrote: > Hi Günter, > > > > Nah, but the v5.4-rc3 I booted recently on qemu -M r2d had > > > CONFIG_PGTABLE_LEVELS=2, so it didn't show the problem. > > > > > > > Guess that explains why I do not see the problem with my qemu boots. > > I use rts7751r2dplus_defconfig. Is it possible to reproduce the problem > > with qemu ? I don't think so, but maybe I am missing something. > > Qemu seems to support r2d and shix only. > For the latter, the website pointed to by the qemu sources no longer exists. > But according to those sources, it's also sh7750-based, so no luck. > Oh, well, worth asking. Thanks for the feedback. Guenter