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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05391C433F5 for ; Wed, 27 Apr 2022 12:02:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233495AbiD0MFf (ORCPT ); Wed, 27 Apr 2022 08:05:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45140 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233419AbiD0MFc (ORCPT ); Wed, 27 Apr 2022 08:05:32 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B6BE3B295 for ; Wed, 27 Apr 2022 05:02:20 -0700 (PDT) Received: from dggpemm500022.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4KpHNr6hSFzGpNK; Wed, 27 Apr 2022 19:59:40 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggpemm500022.china.huawei.com (7.185.36.162) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 27 Apr 2022 20:02:17 +0800 Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Wed, 27 Apr 2022 20:02:17 +0800 From: Kefeng Wang To: Catalin Marinas , Will Deacon , Andrew Morton , , CC: , Kefeng Wang Subject: [PATCH 0/4] arm64: Cleanup ioremap() and support ioremap_prot() Date: Wed, 27 Apr 2022 20:14:09 +0800 Message-ID: <20220427121413.168468-1-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Let's arm64 use GENERIC_IOREMAP to cleanup code, and support ioremap_prot()/HAVE_IOREMAP_PROT, which could enable generic_access_phys(). Kefeng Wang (4): mm: ioremap: Setup phys_addr of struct vm_struct mm: ioremap: Add arch_ioremap/iounmap_check() arm64: mm: Convert to GENERIC_IOREMAP arm64: Add HAVE_IOREMAP_PROT support .../features/vm/ioremap_prot/arch-support.txt | 2 +- arch/arm64/Kconfig | 2 + arch/arm64/include/asm/io.h | 14 +-- arch/arm64/include/asm/pgtable.h | 10 +++ arch/arm64/kernel/acpi.c | 2 +- arch/arm64/mm/hugetlbpage.c | 10 --- arch/arm64/mm/ioremap.c | 86 +++---------------- include/asm-generic/io.h | 3 + mm/ioremap.c | 21 ++++- 9 files changed, 56 insertions(+), 94 deletions(-) -- 2.26.2