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=-6.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_PASS,URIBL_BLOCKED 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 B6156C282C4 for ; Tue, 12 Feb 2019 23:15:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7BFE821B1A for ; Tue, 12 Feb 2019 23:15:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="UFKFZ3TF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731555AbfBLXPg (ORCPT ); Tue, 12 Feb 2019 18:15:36 -0500 Received: from mail-pg1-f193.google.com ([209.85.215.193]:39564 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727804AbfBLXPf (ORCPT ); Tue, 12 Feb 2019 18:15:35 -0500 Received: by mail-pg1-f193.google.com with SMTP id r11so190792pgp.6 for ; Tue, 12 Feb 2019 15:15:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=date:subject:in-reply-to:cc:from:to:message-id:mime-version :content-transfer-encoding; bh=7eBFs2jG1q/fDxjb93hzAefYGEF97+oyRaVopG3hxRY=; b=UFKFZ3TFQ7mdH7hnczOfaUV8LmEVo8xlYKqiKZp8zmPjxDkcuWjKW4RhQTgnBIvsSy 9T6QYFWyX7s9nJQ7Y0T+3NBKwAkieNOtwHq+7L2k0KUhyAdueXA6dagHOwQ9zNAMzWcc id5pHoDOSRL5qNOwmfCpPmAvSftm57cY12IgR0gxnvjeUZxbVvdCP5VblEsRJdjRpB+F W2ery4H1vPNFEO6UFDqoy0NIzqpRtUmf97th1Qb+a7gVexa2jqKbhf/6+3ACNAN4qnBj /DAd2qQkaRy7MH4HmC1ELYUVN3rQE0r3JEqi0wWpSbaQw1dWdbyMZ2HN49wygVP4gVDo dMQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:subject:in-reply-to:cc:from:to:message-id :mime-version:content-transfer-encoding; bh=7eBFs2jG1q/fDxjb93hzAefYGEF97+oyRaVopG3hxRY=; b=rCsYk7I4TuZYz9nMoXLTb2p7oiSPd5Un4mYto4k4Jqgn6B1KC+liBpaUnzzs1Uya3Q zYRSlB6DMjrvOWoTJAt1W2qIeIsrBEp+djYyoWM/e2Bz+RWFKR4pfk61rSsQ2JAugtdS 2CI0havM77lDRlALZvAvp8x31Ya9WCj6fQKsYucHOPdQMSEHmNb/Mp9yVOfnGIa0ztBP 7jJHTfgDyFoYYmuA2sGpy5pLT4S+7/Tf0lmy1y4YPxeD8aa4Ym4izfFQubkjyFLGmPa1 nj1UxS6qZQ1djGsOBlzgLeBfl3dbJDpdg5wl2PGuLo1azJnX2ow1kKvg+P2oRwYAhDE+ HE9g== X-Gm-Message-State: AHQUAuZdsH7xijRdZXjuBnWINP6n5mgKnua4KCdT96yfPkcyZ/JDpf98 2iMdf/Jwl2IKVGN8nqjVm/m5267Ub9k= X-Google-Smtp-Source: AHgI3IZ2WHnMhSklrjvS477A6+KUcHXhLrQlWDibtfRCJ6Z4Jnig9/4tq07FZK5LHNeN06SkNYw8ug== X-Received: by 2002:a63:df50:: with SMTP id h16mr5985213pgj.421.1550013334522; Tue, 12 Feb 2019 15:15:34 -0800 (PST) Received: from localhost ([12.206.222.5]) by smtp.gmail.com with ESMTPSA id 66sm2548101pfq.17.2019.02.12.15.15.33 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 12 Feb 2019 15:15:33 -0800 (PST) Date: Tue, 12 Feb 2019 15:15:33 -0800 (PST) X-Google-Original-Date: Tue, 12 Feb 2019 15:15:28 PST (-0800) Subject: Re: [PATCH v2 0/6] Fixmap support and MM cleanups In-Reply-To: <20190119132650.9978-1-anup.patel@wdc.com> CC: aou@eecs.berkeley.edu, Atish Patra , Paul Walmsley , Christoph Hellwig , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Anup Patel From: Palmer Dabbelt To: Anup Patel Message-ID: Mime-Version: 1.0 (MHng) Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 19 Jan 2019 05:27:53 PST (-0800), Anup Patel wrote: > This patchset does: > 1. Moves MM related code from kernel/setup.c to mm/init.c > 2. Implements compile-time fixed mappings > > Using fixed mappings available, we can now get earlyprints > even without SBI calls. For example, we can use kernel > parameter "earlycon=uart8250,mmio,0x10000000" to get early > prints on QEMU virt machine without using SBI calls. > > The patchset is tested on QEMU virt machine. It is based on > Linux-5.0-rc2 and can be found at riscv_fixmap_v2 branch of: > https://github.com/avpatel/linux.git. > > Changes since v1: > - Use more characters per line in changelog of PATCH3 > - Removed #ifndef __ASSEMBLY__ from PATCH5 > - Use more characters per line in commets of PATCH5 > - Added PATCH6 to implement keepinitrd kernel parameter > > Anup Patel (6): > RISC-V: Move free_initrd_mem() to kernel/setup.c > RISC-V: Setup init_mm before parse_early_param() > RISC-V: Move setup_bootmem() to mm/init.c > RISC-V: Move setup_vm() to mm/init.c > RISC-V: Implement compile-time fixed mappings > RISC-V: Implement keepinitrd kernel parameter > > arch/riscv/Kconfig | 3 + > arch/riscv/include/asm/fixmap.h | 44 +++++++++++ > arch/riscv/include/asm/pgtable.h | 1 + > arch/riscv/kernel/setup.c | 114 ++++++---------------------- > arch/riscv/mm/init.c | 124 ++++++++++++++++++++++++++++++- > 5 files changed, 189 insertions(+), 97 deletions(-) > create mode 100644 arch/riscv/include/asm/fixmap.h I'm getting some git issue when trying to merge the third patch via email $ mhng-pipe-show_stdout 4 | git am -s Applying: RISC-V: Move setup_bootmem() to mm/init.c error: patch failed: arch/riscv/kernel/setup.c:163 error: arch/riscv/kernel/setup.c: patch does not apply Patch failed at 0001 RISC-V: Move setup_bootmem() to mm/init.c Use 'git am --show-current-patch' to see the failed patch When you have resolved this problem, run "git am --continue". If you prefer to skip this patch, run "git am --skip" instead. To restore the original branch and stop patching, run "git am --abort". can you send a PR with a signed tag? I'll include this as part of the next merge window. Reviewed-by: Palmer Dabbelt Thanks!