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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,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 35833C6377D for ; Thu, 22 Jul 2021 15:35:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 06E60610D2 for ; Thu, 22 Jul 2021 15:35:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232748AbhGVOy5 (ORCPT ); Thu, 22 Jul 2021 10:54:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232488AbhGVOy4 (ORCPT ); Thu, 22 Jul 2021 10:54:56 -0400 Received: from ustc.edu.cn (email6.ustc.edu.cn [IPv6:2001:da8:d800::8]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5F073C061575 for ; Thu, 22 Jul 2021 08:35:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mail.ustc.edu.cn; s=dkim; h=Received:Date:From:To:Cc:Subject: Message-ID:In-Reply-To:References:MIME-Version:Content-Type: Content-Transfer-Encoding; bh=8mGNEtej5Km8xU2wjprdiKPrHelNnd1RaT +aFgBrUL0=; b=l8rvOHag8XjdDctGhiTTgdn2WsyswSKywIcQnddFrCXF1pkM5a L1hfM2PsgjWYsgUuQzU7WyJDA9rGVfqx8OvRoiRNXETCloqXe5EYOiJjW1Jphf0s xN1WW3uQOohSMXu+AXcy96ujjVL2s1JQA28BHUZMlENa88TIU19FSHOFk= Received: from xhacker (unknown [101.86.20.15]) by newmailweb.ustc.edu.cn (Coremail) with SMTP id LkAmygD3jFc1kPlgWmYoAA--.610S2; Thu, 22 Jul 2021 23:35:17 +0800 (CST) Date: Thu, 22 Jul 2021 23:29:23 +0800 From: Jisheng Zhang To: Alexandre Ghiti Cc: Paul Walmsley , Palmer Dabbelt , Albert Ou , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH -fixes 0/3] Fixes regarding CONFIG_PHYS_RAM_BASE Message-ID: <20210722232923.73d65d6b@xhacker> In-Reply-To: <20210721075937.696811-1-alex@ghiti.fr> References: <20210721075937.696811-1-alex@ghiti.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-CM-TRANSID: LkAmygD3jFc1kPlgWmYoAA--.610S2 X-Coremail-Antispam: 1UD129KBjvJXoW7GFyDCF15Kw15KFyDuFWUCFg_yoW8JF1xpr 48Gan5uFyrt34fWFZI9wsrWFW5J3Z7Ja4agrnrX3y0gF10qa1jyF92qw17Zry2g3W8ZF4x tFy8Wryru3WjywUanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUy2b7Iv0xC_KF4lb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I 8E87Iv6xkF7I0E14v26rxl6s0DM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI 64kE6c02F40Ex7xfMcIj6xIIjxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8Jw Am72CE4IkC6x0Yz7v_Jr0_Gr1lF7xvr2IY64vIr41l42xK82IYc2Ij64vIr41l4I8I3I0E 4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGV WUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_ Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rV WrZr1j6s0DMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_ Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07jOb18UUUUU= X-CM-SenderInfo: xmv2xttqjtqzxdloh3xvwfhvlgxou0/ Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 21 Jul 2021 09:59:34 +0200 Alexandre Ghiti wrote: > The following commits: > > 7094e6acaf7a ("riscv: Simplify xip and !xip kernel address conversion macros") > 9b79878ced8f ("riscv: Remove CONFIG_PHYS_RAM_BASE_FIXED") > > expose CONFIG_PHYS_RAM_BASE for all kernel types whereas this value is > implementation-specific, so that breaks the kernel genericity. > > The first patch in this patchset removes the usage of CONFIG_PHYS_RAM_BASE > by introducing a new global variable that holds this value. > > The second patch reverts 9b79878ced8f ("riscv: Remove > CONFIG_PHYS_RAM_BASE_FIXED"). > > The last patch is an optimization 'symmetrical' to the one introduced in > the first patch: this is not a fix, then it is not necessary to pull > this into -fixes. > Reviewed-by: Jisheng Zhang > Alexandre Ghiti (3): > riscv: Get rid of CONFIG_PHYS_RAM_BASE in kernel physical address > conversion > Revert "riscv: Remove CONFIG_PHYS_RAM_BASE_FIXED" > riscv: Optimize kernel virtual address conversion macro > > arch/riscv/Kconfig | 6 ++++++ > arch/riscv/include/asm/page.h | 9 +++++---- > arch/riscv/mm/init.c | 17 ++++++++++++----- > 3 files changed, 23 insertions(+), 9 deletions(-) >