From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH 01/22] mm: Reserve asm-generic prot flags 0x10 and 0x20 for arch use Date: Wed, 11 Dec 2019 20:26:39 +0100 Message-ID: References: <20191211184027.20130-1-catalin.marinas@arm.com> <20191211184027.20130-2-catalin.marinas@arm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20191211184027.20130-2-catalin.marinas@arm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Catalin Marinas Cc: linux-arch , Richard Earnshaw , Szabolcs Nagy , Marc Zyngier , Kevin Brodsky , Linux-MM , Andrey Konovalov , Vincenzo Frascino , Will Deacon , Dave Martin , Linux ARM List-Id: linux-arch.vger.kernel.org On Wed, Dec 11, 2019 at 7:40 PM Catalin Marinas wrote: > > From: Dave Martin > > The asm-generic/mman.h definitions are used by a few architectures that > also define arch-specific PROT flags with value 0x10 and 0x20. This > currently applies to sparc and powerpc for 0x10, while arm64 will soon > join with 0x10 and 0x20. > > To help future maintainers, document the use of this flag in the > asm-generic header too. > > Cc: Arnd Bergmann > Signed-off-by: Dave Martin > [catalin.marinas@arm.com: reserve 0x20 as well] > Signed-off-by: Catalin Marinas Acked-by: Arnd Bergmann From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mout.kundenserver.de ([212.227.126.131]:60335 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726487AbfLKT06 (ORCPT ); Wed, 11 Dec 2019 14:26:58 -0500 Received: from mail-qk1-f171.google.com ([209.85.222.171]) by mrelayeu.kundenserver.de (mreue011 [212.227.15.129]) with ESMTPSA (Nemesis) id 1Mt7Ll-1hqKMr2ziz-00tQbm for ; Wed, 11 Dec 2019 20:26:56 +0100 Received: by mail-qk1-f171.google.com with SMTP id r14so12513622qke.13 for ; Wed, 11 Dec 2019 11:26:56 -0800 (PST) MIME-Version: 1.0 References: <20191211184027.20130-1-catalin.marinas@arm.com> <20191211184027.20130-2-catalin.marinas@arm.com> In-Reply-To: <20191211184027.20130-2-catalin.marinas@arm.com> From: Arnd Bergmann Date: Wed, 11 Dec 2019 20:26:39 +0100 Message-ID: Subject: Re: [PATCH 01/22] mm: Reserve asm-generic prot flags 0x10 and 0x20 for arch use Content-Type: text/plain; charset="UTF-8" Sender: linux-arch-owner@vger.kernel.org List-ID: To: Catalin Marinas Cc: Linux ARM , Will Deacon , Marc Zyngier , Vincenzo Frascino , Szabolcs Nagy , Richard Earnshaw , Kevin Brodsky , Andrey Konovalov , Linux-MM , linux-arch , Dave Martin Message-ID: <20191211192639.M7UrtkgvE72HIi9qw2aYVVtIYwMAPCh5v4QoasyGGuw@z> On Wed, Dec 11, 2019 at 7:40 PM Catalin Marinas wrote: > > From: Dave Martin > > The asm-generic/mman.h definitions are used by a few architectures that > also define arch-specific PROT flags with value 0x10 and 0x20. This > currently applies to sparc and powerpc for 0x10, while arm64 will soon > join with 0x10 and 0x20. > > To help future maintainers, document the use of this flag in the > asm-generic header too. > > Cc: Arnd Bergmann > Signed-off-by: Dave Martin > [catalin.marinas@arm.com: reserve 0x20 as well] > Signed-off-by: Catalin Marinas Acked-by: Arnd Bergmann