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 X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 556E3C43603 for ; Wed, 11 Dec 2019 19:27:00 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 23AEC20836 for ; Wed, 11 Dec 2019 19:27:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 23AEC20836 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arndb.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id ABEE26B339D; Wed, 11 Dec 2019 14:26:59 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A6E486B339E; Wed, 11 Dec 2019 14:26:59 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 95C7C6B339F; Wed, 11 Dec 2019 14:26:59 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0157.hostedemail.com [216.40.44.157]) by kanga.kvack.org (Postfix) with ESMTP id 819AF6B339D for ; Wed, 11 Dec 2019 14:26:59 -0500 (EST) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 54D6237E7 for ; Wed, 11 Dec 2019 19:26:59 +0000 (UTC) X-FDA: 76253843358.19.cars71_3ceeccc7be832 X-HE-Tag: cars71_3ceeccc7be832 X-Filterd-Recvd-Size: 4011 Received: from mout.kundenserver.de (mout.kundenserver.de [212.227.126.131]) by imf17.hostedemail.com (Postfix) with ESMTP for ; Wed, 11 Dec 2019 19:26:58 +0000 (UTC) Received: from mail-qk1-f175.google.com ([209.85.222.175]) by mrelayeu.kundenserver.de (mreue009 [212.227.15.129]) with ESMTPSA (Nemesis) id 1Mz9d5-1hkHh546aZ-00wCF0 for ; Wed, 11 Dec 2019 20:26:57 +0100 Received: by mail-qk1-f175.google.com with SMTP id k6so20685539qki.5 for ; Wed, 11 Dec 2019 11:26:56 -0800 (PST) X-Gm-Message-State: APjAAAUN/nP6eQMbCRw+yFBWLpn6w5UJ153VC4o9n5qEoEhgBDNJOFeh pI3s5OpNhk7ep4bO/yIfLOxiq/bUAWlYvC6Vo4o= X-Google-Smtp-Source: APXvYqzp5gI76+hnxf6/hmrPMG5/BvSczTPLPStullb7LcktBYw4tJjRaFzZ4zVRtyE/ktu6JAXLohEVRyxYWiy1yZ4= X-Received: by 2002:a37:b283:: with SMTP id b125mr4686863qkf.352.1576092415604; Wed, 11 Dec 2019 11:26:55 -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 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH 01/22] mm: Reserve asm-generic prot flags 0x10 and 0x20 for arch use 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 Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:aadjlfXuO+6QYnVM/7fiu79ogYGUy51rh+L3K2+8EaexnZjQh1a epPxfUn8e0gcb+YJMUeAR0j0lLoEhJFd3DyXtI56blSFtmun/ZZRt246VPwguBM3GS3/YfE DPq5LsNYSj58rOAskov1tF/Z9arr+r6vg/fJd9Va0Wq3Qse8qm3BxPqu3EEZD3OW9oeRuMs IxiyvcyTeG0/vlMigBnrw== X-UI-Out-Filterresults: notjunk:1;V03:K0:w0flNmmZDfA=:bikaLv8AuAcZYCZlySf5xd w0caLJvp3sNcNUwO94rek98y4H39ziCALrs6D1WzqFniyS5pJSacqLFNiBEgTsQLvbbMb6bPr CUf8Y+7TOhp5TMYqThBCrAV4M9rJbuWqhZ2mAoExLNT7P45HgSQI3Nv4hoTX5x8/iC30Mj8R9 w1Te5jc4eTeoLJh+ag2tjPyPiNHYnyx1Lb0p1jkeIAMsuLgt1CTx1Dnnz6a4TfExA25QSI1i8 bHokQWaJpXIq4WdE3rnlO5OvVVc29mR1c5dJANaqpQ6ki2eYywwt0pStQo6CMjVH671Q0jPNR F0ZCs7XG2fgd7epZZg0ZOOf1QnZF4gwEmTtjw7Lxqq+EiilioOhvEZoWxGXz+vL3F/pSwLHBD eBROqSqb+RWNhQD+glpc26/T5S3fM4u6GpFHyhoYIo6+xiBC0Mh2iuBEWjlJcFzxku2BI3nUu oCP+MdDGR6y0zggjDKq3h+I6vbyzfMIHOdtt+HJl85+6/cian4ztrwF8xrntjrx6cQkqnOTGh da1jwFF6Wbt3mOKGAJRAgooS6MF9OWkWM0oNGDcb3lqGsG2ytnfukHYGPb26Gh/ufBFl9kSX5 6sKwKx9ANjlboKLu3JzaZg8u4PsWXexF444eqFz6Vk2KYosWiCZNjIePmYiaF3RtA9z3o+b/F Fq7ktmP+afSaioBqb+YXgJcr2qVdLjZRdDC8JoT6vVbgrYV5t562q7UAIaEiyUACmGKk0GsYo GGHLp+KK27j+khyK7bPRlVU2VN6uQmHqcnVGiaS6KKc4VonNsY74WAz/4gXtj4+m5OkOvMUJH fwr70RgtHGMOqtCN5aj5l9BDZPQJa5/2Elzt1za/vTDV5OakZRDl5d/jKaYs3kiUwopsj83B4 beq1DT3G6Fo1C1eCELzw== 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 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