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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 36CE3CCA473 for ; Wed, 15 Jun 2022 10:02:58 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id B5D6D6B0072; Wed, 15 Jun 2022 06:02:57 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AE5D16B0073; Wed, 15 Jun 2022 06:02:57 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9AE1A6B0074; Wed, 15 Jun 2022 06:02:57 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id 8AED96B0072 for ; Wed, 15 Jun 2022 06:02:57 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 5E99321631 for ; Wed, 15 Jun 2022 10:02:57 +0000 (UTC) X-FDA: 79580031594.21.34EDD72 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf18.hostedemail.com (Postfix) with ESMTP id 3BDC51C007D for ; Wed, 15 Jun 2022 10:02:56 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 69300CE1E89; Wed, 15 Jun 2022 10:02:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A6C4C34115; Wed, 15 Jun 2022 10:02:43 +0000 (UTC) Date: Wed, 15 Jun 2022 11:02:40 +0100 From: Catalin Marinas To: Wupeng Ma Cc: corbet@lwn.net, will@kernel.org, ardb@kernel.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com, dvhart@infradead.org, andy@infradead.org, rppt@kernel.org, akpm@linux-foundation.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, paulmck@kernel.org, keescook@chromium.org, songmuchun@bytedance.com, rdunlap@infradead.org, damien.lemoal@opensource.wdc.com, swboyd@chromium.org, wei.liu@kernel.org, robin.murphy@arm.com, david@redhat.com, anshuman.khandual@arm.com, thunder.leizhen@huawei.com, wangkefeng.wang@huawei.com, gpiccoli@igalia.com, chenhuacai@kernel.org, geert@linux-m68k.org, vijayb@linux.microsoft.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-efi@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org Subject: Re: [PATCH v5 1/5] efi: arm64: Introduce ability to find mirrored memory ranges Message-ID: References: <20220614092156.1972846-1-mawupeng1@huawei.com> <20220614092156.1972846-2-mawupeng1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220614092156.1972846-2-mawupeng1@huawei.com> ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1655287376; a=rsa-sha256; cv=none; b=OG+hzYy4CxvPBLrfdo/37/3RHzdUMway9TzwXwqtlRlE/VJayxbat7QRzYV/xeALjJyMEI NI0vVQ6M5B/OdUNM11e3LRr6MNKgc3mwQsRe7HWuVX7aCqSrvrtFdu/E9qsFC+RvpHoaKm +SWz599n9SckjIL9k5wjyGukmYptHU0= ARC-Authentication-Results: i=1; imf18.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none); spf=pass (imf18.hostedemail.com: domain of cmarinas@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=cmarinas@kernel.org ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1655287376; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pIF6grrr19f0EvmNIsA+uYIxly/MH/xo9BR3YPuJDWc=; b=y+/dsczoP6rIdgPqhkvZHRPBkJ9DZ8NxejWdgYIC6qNZSn9A1fguQgVPSx4oLSA67D2nbB 7NhR7aHqi23YhMaAf+eXZmi/uYuqx7ytMv+zt+MNDrA1bVAFujqSEpsJEE50L0f8Oiv8El D7aCxdp3cylkXME7wS8sZViaoBKlKok= X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 3BDC51C007D X-Stat-Signature: bh7bsw8y44iukj93m4tqmbpptm6oeqhe Authentication-Results: imf18.hostedemail.com; dkim=none; dmarc=fail reason="SPF not aligned (relaxed), No valid DKIM" header.from=arm.com (policy=none); spf=pass (imf18.hostedemail.com: domain of cmarinas@kernel.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=cmarinas@kernel.org X-Rspam-User: X-HE-Tag: 1655287376-410672 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue, Jun 14, 2022 at 05:21:52PM +0800, Wupeng Ma wrote: > From: Ma Wupeng > > Commit b05b9f5f9dcf ("x86, mirror: x86 enabling - find mirrored memory > ranges") introduce the efi_find_mirror() function on x86. In order to reuse > the API we make it public. > > Arm64 can support mirrored memory too, so function efi_find_mirror() is added to > efi_init() to this support for arm64. > > Since efi_init() is shared by ARM, arm64 and riscv, this patch will bring > mirror memory support for these architectures, but this support is only tested > in arm64. > > Signed-off-by: Ma Wupeng > --- > arch/x86/include/asm/efi.h | 4 ---- > arch/x86/platform/efi/efi.c | 23 ----------------------- > drivers/firmware/efi/efi-init.c | 1 + > drivers/firmware/efi/efi.c | 23 +++++++++++++++++++++++ > include/linux/efi.h | 3 +++ The subject prefix says "efi: arm64: " but it looks like x86 diffstat here. You may want to get an ack from the x86 maintainers. -- Catalin