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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 458E9C43603 for ; Thu, 12 Dec 2019 16:16:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0B8DC2073B for ; Thu, 12 Dec 2019 16:16:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576167402; bh=tgDhKutPNXEnJqeGjZlKDDqcoxggWm3SHoc4L0ARkZg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=XZNqwXOlTNFYAfMTTP/EnEk8npOi6nZ7RM4xxB1Yn+t4PQIA7W1mrlQAkM331o/IK 0cf3YCkmgs1IyFvnbfi2pzp7vTvysG5EkZPCICqItP4Mltu1BPNaNB3rBLE59Z49kQ TnNFYZKCK1A7hhiqWBQj4wRn0xHc/6p6CWBv4stw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729828AbfLLQQl (ORCPT ); Thu, 12 Dec 2019 11:16:41 -0500 Received: from foss.arm.com ([217.140.110.172]:52270 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729247AbfLLQQl (ORCPT ); Thu, 12 Dec 2019 11:16:41 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 2269C30E; Thu, 12 Dec 2019 08:16:40 -0800 (PST) Received: from localhost (unknown [10.37.6.21]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 9560D3F6CF; Thu, 12 Dec 2019 08:16:39 -0800 (PST) Date: Thu, 12 Dec 2019 16:16:38 +0000 From: Mark Brown To: Catalin Marinas Cc: Will Deacon , Paul Elliott , Peter Zijlstra , Yu-cheng Yu , Amit Kachhap , Vincenzo Frascino , Marc Zyngier , Eugene Syromiatnikov , Szabolcs Nagy , "H.J. Lu" , Andrew Jones , Kees Cook , Arnd Bergmann , Jann Horn , Richard Henderson , Kristina =?utf-8?Q?Mart=C5=A1enko?= , Thomas Gleixner , Florian Weimer , Sudakshina Das , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Dave Martin Subject: Re: [PATCH v4 03/12] mm: Reserve asm-generic prot flag 0x10 for arch use Message-ID: <20191212161638.GG4310@sirena.org.uk> References: <20191211154206.46260-1-broonie@kernel.org> <20191211154206.46260-4-broonie@kernel.org> <20191212104831.GD18258@arrakis.emea.arm.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="yZnyZsPjQYjG7xG7" Content-Disposition: inline In-Reply-To: <20191212104831.GD18258@arrakis.emea.arm.com> X-Cookie: We have DIFFERENT amounts of HAIR -- User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --yZnyZsPjQYjG7xG7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Thu, Dec 12, 2019 at 10:48:32AM +0000, Catalin Marinas wrote: > On Wed, Dec 11, 2019 at 03:41:57PM +0000, Mark Brown wrote: > > #define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ > > #define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ > Since the BTI will likely be merged before the MTE series, please > consider reserving 0x20 as well. The updated patch, acked by Arnd: Sure. --yZnyZsPjQYjG7xG7 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAl3yZ+UACgkQJNaLcl1U h9AFgwf+JLQkNkowzE4VQZiMYNn6XUbklliB0rpWOXleb0MSu8ObNB1vPPCslwod 9rFNhVqYJjlcLT+QTOfTC1CybCvKF5/d/DqmqDydGwlZUe64Nig33rAbo2WsvRy7 Q6uZ6+zrz2pfhpOX3Hy8dt7nvxHd1mpwso9njbPcVS1LG29ib7y7cx/q8op4NcS0 t2ZNDzL5VLxNzCP0iGZJz4uvCHw8J16Ox8h0kxG9wWnGH0pKTLtV+LXU+7m9IIdi ed8GP3QUtVZJ2iAE1mLBfeaheR2zEcBEHlNTyCrXlLBJt8B2pGFHa2tPfYFsLUbm OehiEmVIVSCFQ5vfxOP+HPspmGnmLw== =/Udg -----END PGP SIGNATURE----- --yZnyZsPjQYjG7xG7--