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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E5539C43334 for ; Fri, 24 Jun 2022 05:21:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=re84TjuAq2P3n/jF97VAX7kCuweTHKOT07UBnTA4Be4=; b=I4az93HUqFanEG eefKLvul5dvk3G7g2dP7ymkV6EEDadSs36bmaQby50qD3jcmLRGax+UltAyLiaqbyPxq9BTRu7eO9 QC5IcSdRiOTJcWGX/R4eXGyTM39RKpT7f47/r5KQyq5aZkVdm6ngfTL1pAu2y4BffTO/+6kMRSfXd LcYzELNS+e8Mjh8Iz5GwCXPAkN5ycX96vDB9kV+I2PnzvOpyIIc8OryI+ZUPZ9Os7HfgB0D8JQ44R a4VmWd/Pb6mUVpIuG36mBlOtApiQa2/V4zQgGkEsSXQzPYMTQH9P3qP7HrGDmaR+A3Z4/rizD6kh3 IhS6z/k0CsO+GXIksulQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4bke-000aCM-Pz; Fri, 24 Jun 2022 05:21:04 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4bkM-000a4r-G8; Fri, 24 Jun 2022 05:20:48 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 1BB59176A; Thu, 23 Jun 2022 22:20:44 -0700 (PDT) Received: from [10.162.41.7] (unknown [10.162.41.7]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CB2DF3F66F; Thu, 23 Jun 2022 22:20:36 -0700 (PDT) Message-ID: <33bdac1e-207a-192b-bf43-818abfa49fe1@arm.com> Date: Fri, 24 Jun 2022 10:50:33 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH V4 00/26] mm/mmap: Drop __SXXX/__PXXX macros from across platforms Content-Language: en-US To: Christoph Hellwig Cc: linux-mm@kvack.org, christophe.leroy@csgroup.eu, Andrew Morton , linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, x86@kernel.org, openrisc@lists.librecores.org, linux-xtensa@linux-xtensa.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-parisc@vger.kernel.org, linux-alpha@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-um@lists.infradead.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org References: <20220624044339.1533882-1-anshuman.khandual@arm.com> From: Anshuman Khandual In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220623_222046_658546_665AF2EC X-CRM114-Status: UNSURE ( 9.80 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 6/24/22 10:42, Christoph Hellwig wrote: > On Fri, Jun 24, 2022 at 10:13:13AM +0530, Anshuman Khandual wrote: >> vm_get_page_prot(), in order for it to be reused on platforms that do not >> require custom implementation. Finally, ARCH_HAS_VM_GET_PAGE_PROT can just >> be dropped, as all platforms now define and export vm_get_page_prot(), via >> looking up a private and static protection_map[] array. protection_map[] >> data type is the following for all platforms without deviation (except the >> powerpc one which is shared between 32 and 64 bit platforms), keeping it >> unchanged for now. >> >> static pgprot_t protection_map[16] __ro_after_init > > On most architectures this should be const now, only very few ever > modify it. Will make it a 'static const pgprot_t protection_map[16] __ro_after_init' on platforms that do not change the protection_map[] even during boot. _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv