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 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 ; 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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 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=-3.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,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 42CB4C43603 for ; Wed, 11 Dec 2019 19:27:12 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 176BF20836 for ; 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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 X-Provags-ID: V03:K1:A9bRV3qLsXYwuIls0oFSRsAVb00+NajaGnNPcXGmK57aTD2AFTw dTO0b57IC8Fs1+fbb7lP9dr7xcibRgm6WvKFULWPrOuBBdpZ+WfGRVy498PwkQiajK+znOd P06O7IMX62Jp3tH/z28AO1oMSFr4sygf7sZMQrw7U8KB1ncKvuSs01tV1MQwqq0j4FEfenD kaWd9prsOdFJ8oSHqVUUQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:MOpDDz4En5U=:Cx6ri6DcBO6HEIe6NlgBLc url4SQf61ROO0M+Qv/I6GfmflzBE//iusoYtF8hCpyxjl+Wf2yMx4ZbrNWrempu8ZbSE9Ta3D p5zOgFMgjcKCMRJDvhVRrM0RxECpDteoZ5fmC5zWOxT4zErn1BXYkm5hQDsgTxh/d53+kIdwW 3y0sMM2Qm+2SjJE28irAngcR1SCXZpoudb6iIt8Izw7YAAFFuyOAaI0UMSafvBXjN37GJgPxP gRnw85Fo8IZQjlpEPfPijfKo98Uk0nPyTtvtSGXsa4bQC9dLHZf/YgwewckwFgkDKD4ynOph8 p858Fc7t54/+7MwCBqrrM5baXShKbXsiidPrXuHXV9wtkK5yHKllAYbxsCjSdNZ0OYaSMNK/h x6KaBkr6ymHGw+i27WaBM4ddbgp9Zvp2ECrdmTZkKsa9gawXfJdv5gtrV9w05IxY0mkloVZZn sQpXmI2oh3D8nZqiuZ0lRVZosjnL92oB3g1RoPhgkDJshPrIIp/D+Z+44lxJ/YylVznsoWXjk N+8YPEyXJ5bcwJPPfKFSxX0geRcJ5Spqw7P66YSJBKqrYjL9FpHl38gY9+W7HYDbLAJf3j9kF mhNUwFhle8QaRYrj1JZO6ax8kZJm3EZQN/9GcexkVX5glEyZ3cYU8oEcsPNZewG6pxM4wqE1x TL1uFYCnGiYIowlStMhjH7XKMtajZKOJQWnee9Uckxem6CW4xVk6qXkXAScow6GVo2v88lRke m1vdaYfRY6kjiW7dMYkFIParm7Y7mUI0DDA9i4HlR3+yK0f7z5Le8L5jYHl6xLSw0xmN9FSBa b4h/jd+z6XobLN2VYzSCdk5K9YfWtkZBiMugeNIauxc4izVWmzBKdhstBiiXJYI7DJH1O7SaI 64zEo2fpbZg5dzn9qbdQ== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191211_112703_108504_207FBD47 X-CRM114-Status: UNSURE ( 9.42 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch , Richard Earnshaw , Szabolcs Nagy , Marc Zyngier , Kevin Brodsky , Linux-MM , Andrey Konovalov , Vincenzo Frascino , Will Deacon , Dave Martin , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel