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 C574BC433EF for ; Fri, 24 Jun 2022 05:15:29 +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:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DGZSL381clY8+udQLUhSJi2dvC8rJ2KhChTJcVPlOns=; b=muPruy7kqIil8u rAB8kWvWSITnDKzgAqzkzcQnYC52LwstK+TTblovF5896iHtDyyD4eIfbzUCFaXFKDNB0vw8nuBdb dYDxuxgaisd88Yv6dP5lOYPlsv3I98c8yThtf+af7790LuZOzUX+5WvxNz/dwlwN94WGhAwKedlc+ NQ2YHF5Zf5KwM9qR9j987MqNepPOTqx7lL/nUE/gPR25Hni8M6PWwOfZlioPxr1flNH8dUFW5xw43 b9UvDv8uChnvHj0io6fMmwZ0Cwmj1qM0mDru8Gm7/lnWi8/uo/1zBz9YZSh/gmGlU697DWRNgz6nu cRg2KUn4L2ZaVv0BJ3rw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4beH-000XBw-Cw; Fri, 24 Jun 2022 05:14:29 +0000 Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4bcN-000Vz9-1O; Fri, 24 Jun 2022 05:12:31 +0000 Date: Thu, 23 Jun 2022 22:12:30 -0700 From: Christoph Hellwig To: Anshuman Khandual Cc: linux-mm@kvack.org, hch@infradead.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 Subject: Re: [PATCH V4 00/26] mm/mmap: Drop __SXXX/__PXXX macros from across platforms Message-ID: References: <20220624044339.1533882-1-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20220624044339.1533882-1-anshuman.khandual@arm.com> X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel