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 B48FCC433FF for ; Wed, 14 Aug 2019 22:21:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 91DC42067D for ; Wed, 14 Aug 2019 22:21:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729191AbfHNWVZ (ORCPT ); Wed, 14 Aug 2019 18:21:25 -0400 Received: from ale.deltatee.com ([207.54.116.67]:42768 "EHLO ale.deltatee.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728461AbfHNWVZ (ORCPT ); Wed, 14 Aug 2019 18:21:25 -0400 Received: from s0106ac1f6bb1ecac.cg.shawcable.net ([70.73.163.230] helo=[192.168.11.155]) by ale.deltatee.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1hy1dp-0005eZ-Iw; Wed, 14 Aug 2019 16:21:14 -0600 To: Greentime Hu Cc: Paul Walmsley , Rob Herring , Albert Ou , Andrew Waterman , Palmer Dabbelt , Linux Kernel Mailing List , Stephen Bates , Olof Johansson , greentime.hu@sifive.com, linux-riscv@lists.infradead.org, Michael Clark , Christoph Hellwig , linux-mm@vger.kernel.org References: <20190109203911.7887-1-logang@deltatee.com> <20190109203911.7887-3-logang@deltatee.com> <0926a261-520e-4c40-f926-ddd40bb8ce44@deltatee.com> <96156909-1453-d487-ff66-a041d67c74d6@deltatee.com> <5506c875-9387-acc9-a7fe-5b7c10036c40@deltatee.com> From: Logan Gunthorpe Message-ID: <8b7b6285-dd85-5895-8653-be1f6f08cca8@deltatee.com> Date: Wed, 14 Aug 2019 16:21:11 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-SA-Exim-Connect-IP: 70.73.163.230 X-SA-Exim-Rcpt-To: linux-mm@vger.kernel.org, hch@lst.de, michaeljclark@mac.com, linux-riscv@lists.infradead.org, greentime.hu@sifive.com, olof@lixom.net, sbates@raithlin.com, linux-kernel@vger.kernel.org, palmer@sifive.com, andrew@sifive.com, aou@eecs.berkeley.edu, robh@kernel.org, paul.walmsley@sifive.com, green.hu@gmail.com X-SA-Exim-Mail-From: logang@deltatee.com Subject: Re: [PATCH v4 2/2] RISC-V: Implement sparsemem X-SA-Exim-Version: 4.2.1 (built Tue, 02 Aug 2016 21:08:31 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hey, On 2019-08-14 7:35 a.m., Greentime Hu wrote: > How about this fix? Not sure if it is good for everyone. I applied your fix to the patch and it seems ok. But it doesn't seem to work on a recent version of the kernel. Have you got it working on v5.3? It seems the following patch breaks things: 671f9a3e2e24 ("RISC-V: Setup initial page tables in two stages") I don't really have time right now to debug this any further. Logan