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=-11.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable 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 980FBC433E2 for ; Thu, 17 Sep 2020 08:11:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 51BFF21D90 for ; Thu, 17 Sep 2020 08:11:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600330281; bh=eg3lR9x3657HMHEjPx3Tzvtby/XM1NAWCcAT0pbyLKE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=xl/k6GuKt81EtuoNJWn7LViCZWKZ3P1pE+xbDcZsKuiWu6tB4Uj8km8VH5qtCmXJW NxXIKZ0nN3mIcX+NrCgCSheMqnQU+/+uHiJKKO/sQ65HH0cu65ZUTz0+htWpsB1uCl sFkgpwqeYNfTLHTB/ELOnGrIL3StKIVKrfTj9uZg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726392AbgIQILQ (ORCPT ); Thu, 17 Sep 2020 04:11:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:51322 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726185AbgIQILO (ORCPT ); Thu, 17 Sep 2020 04:11:14 -0400 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id E99BF2075B; Thu, 17 Sep 2020 08:11:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600330273; bh=eg3lR9x3657HMHEjPx3Tzvtby/XM1NAWCcAT0pbyLKE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qikKcdH3N7nwiA2vnr+2K4DaIFMOUqsim4FVj4Z1SxmQwrkyc8ytc38XpJ263zgCj p0V+lKjtSQR4x+2b9tfZu7J+zygvZOCvJ0FPKyWO/M4dqKFDvnXlepL7++Y7/H7b7O BVYm0xstCL1UNpWUUJbK7RMkmVxqgtrY30VDd+Tc= Date: Thu, 17 Sep 2020 09:11:08 +0100 From: Will Deacon To: Catalin Marinas Cc: linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, Dave P Martin , Vincenzo Frascino , Szabolcs Nagy , Kevin Brodsky , Andrey Konovalov , Peter Collingbourne , Andrew Morton , libc-alpha@sourceware.org Subject: Re: [PATCH v9 29/29] arm64: mte: Add Memory Tagging Extension documentation Message-ID: <20200917081107.GA29031@willie-the-truck> References: <20200904103029.32083-1-catalin.marinas@arm.com> <20200904103029.32083-30-catalin.marinas@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200904103029.32083-30-catalin.marinas@arm.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org On Fri, Sep 04, 2020 at 11:30:29AM +0100, Catalin Marinas wrote: > From: Vincenzo Frascino > > Memory Tagging Extension (part of the ARMv8.5 Extensions) provides > a mechanism to detect the sources of memory related errors which > may be vulnerable to exploitation, including bounds violations, > use-after-free, use-after-return, use-out-of-scope and use before > initialization errors. > > Add Memory Tagging Extension documentation for the arm64 linux > kernel support. > > Signed-off-by: Vincenzo Frascino > Co-developed-by: Catalin Marinas > Signed-off-by: Catalin Marinas > Acked-by: Szabolcs Nagy I'm taking this to mean that Szabolcs is happy with the proposed ABI -- please shout if that's not the case! Wasn't there a man page kicking around too? Would be good to see that go upstream (to the manpages project, of course). Will