From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: [PATCH V4 00/26] mm/mmap: Drop __SXXX/__PXXX macros from across platforms Date: Thu, 23 Jun 2022 22:12:30 -0700 Message-ID: References: <20220624044339.1533882-1-anshuman.khandual@arm.com> Mime-Version: 1.0 Return-path: DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=20i464jFDQRcmcNOUSKspwUa6bqXoH9FmrotpkAtY4c=; b=st+tFTnm+PpdRCXxa+K5x7vb5B R72N8aDZCXlJ6KJzgb+yzmuCts+GeEibm9tVn6M/vW5eMvoUfMxGmIHoP8sQen1ut1CzMeQicil+t AeGBjo6UR11rDKgEJi38MST8WmEmtWCcee1yD8QUR1kmo4TSuiJbnJnTnSbcivjvtbu4Ss17aXwHc v5lzeWw6loI9CgVv8kJJqHHCJjGOCeUhpeaS3IJ/hcngLd48UXd0QGHVu9pWuGAMSj6M5Q6EkMMj/ L7VJ7J7Bm39XO6VnOIkLtGXPk7WzthXyckA4mHE55qtxJrEsgKcEXSnZRobi+UQhLQQ5def5khxAa IPU3+6Sg==; Content-Disposition: inline In-Reply-To: <20220624044339.1533882-1-anshuman.khandual@arm.com> List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 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. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Date: Fri, 24 Jun 2022 05:12:30 +0000 Subject: Re: [PATCH V4 00/26] mm/mmap: Drop __SXXX/__PXXX macros from across platforms Message-Id: List-Id: References: <20220624044339.1533882-1-anshuman.khandual@arm.com> In-Reply-To: <20220624044339.1533882-1-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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 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. 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 D825EC433EF for ; Fri, 24 Jun 2022 05:14:32 +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=tQkO4ENpcmCylO2WHOQ83FkC8jt4MgCnBWQOVgqQuPM=; b=nfm4ztfFCr8N/q H+Fi1+2nf3rejDttxUJa59EwOEuwZkVHXOxk3z5mBeCOM2Rh4mQQH9qbIkMtzgps0IXJqBEInxnY0 g4h33kLmROtpX7Yf8acPDjqrupfGaYXPJVhZPBrvhj2cDUgNMyRDEOJqNKIvq5UcpvqeB7sB6wI7I UJkOnav4Ol0kcxwv9r3hWO9ic4n+vAfmg7RtdKySsdv6xD1Qm+OgyVw8F4MMJr/gCBvTdtecAgEGz xieFeEtQZFRU/Yns/UH9WsTsu60ka9Kdbht7yP/keDAYTW/FhWYfY1oYTPVrZLIfzXiNFeVqUuzvC WVU4jBI+qXxtwQFYl7IQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4beA-000X8I-1d; Fri, 24 Jun 2022 05:14:22 +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-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 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-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv 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 9260FC433EF for ; Fri, 24 Jun 2022 05:14:30 +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=hOuXMumminxDUUU3clqSWLrw1M4W6n2cLLOblumQpyA=; b=nakbEsh9PqjFjI Q7qXoTDa/SYsm4+8TraF73Ko2CWMlxtmwkiC4xc1ODqMmEHTN5kBspCa4j+SJQ1XPcF4CMp7fEzZW HvzxUjlSjtwDMylBUABm96WBO7ZmodM03BFAf8TMYHa4oYlByqkesWPn464sd7wF2JSmYLTtuDNDr WlkJAWs82GfttzSeqdW5+lb/4dkVmpY5Jrhwohq/gHRq04KTxbId0YrLXseVGmB/Z9FOqivTdus07 1uvXZsfN5gtnAeKYbY4VOHk9gnrMAlM2V0vvPVJT5oUnuIZEB2fDy/FT4iYAEkxUjXt4BBDDKJ4mT tiWELWHcwX1rVb5Nxw4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o4beE-000XBY-EK; Fri, 24 Jun 2022 05:14:26 +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-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=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-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Thu, 23 Jun 2022 22:12:30 -0700 From: Christoph Hellwig 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-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220624044339.1533882-1-anshuman.khandual@arm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: openrisc-bounces@lists.librecores.org Sender: "OpenRISC" To: Anshuman Khandual Cc: linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-csky@vger.kernel.org, sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hexagon@vger.kernel.org, x86@kernel.org, christophe.leroy@csgroup.eu, hch@infradead.org, linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, linux-um@lists.infradead.org, linux-m68k@lists.linux-m68k.org, openrisc@lists.librecores.org, linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, linux-mips@vger.kernel.org, linux-alpha@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org List-ID: 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. 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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 4A2C0C433EF for ; Fri, 24 Jun 2022 05:13:12 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4LTld26bWyz3fRj for ; Fri, 24 Jun 2022 15:13:10 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=st+tFTnm; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=none (no SPF record) smtp.mailfrom=bombadil.srs.infradead.org (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org; envelope-from=batv+825a24a2c69d0abd218e+6879+infradead.org+hch@bombadil.srs.infradead.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=infradead.org header.i=@infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=st+tFTnm; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4LTlcN5J3Vz2yL2 for ; Fri, 24 Jun 2022 15:12:36 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=20i464jFDQRcmcNOUSKspwUa6bqXoH9FmrotpkAtY4c=; b=st+tFTnm+PpdRCXxa+K5x7vb5B R72N8aDZCXlJ6KJzgb+yzmuCts+GeEibm9tVn6M/vW5eMvoUfMxGmIHoP8sQen1ut1CzMeQicil+t AeGBjo6UR11rDKgEJi38MST8WmEmtWCcee1yD8QUR1kmo4TSuiJbnJnTnSbcivjvtbu4Ss17aXwHc v5lzeWw6loI9CgVv8kJJqHHCJjGOCeUhpeaS3IJ/hcngLd48UXd0QGHVu9pWuGAMSj6M5Q6EkMMj/ L7VJ7J7Bm39XO6VnOIkLtGXPk7WzthXyckA4mHE55qtxJrEsgKcEXSnZRobi+UQhLQQ5def5khxAa IPU3+6Sg==; 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 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-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220624044339.1533882-1-anshuman.khandual@arm.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-csky@vger.kernel.org, sparclinux@vger.kernel.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-hexagon@vger.kernel.org, x86@kernel.org, hch@infradead.org, linux-snps-arc@lists.infradead.org, linux-xtensa@linux-xtensa.org, linux-um@lists.infradead.org, linux-m68k@lists.linux-m68k.org, openrisc@lists.librecores.org, linux-arm-kernel@lists.infradead.org, linux-parisc@vger.kernel.org, linux-mips@vger.kernel.org, linux-alpha@vger.kernel.org, Andrew Morton , linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" 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. 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