From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from purple.birch.relay.mailchannels.net (purple.birch.relay.mailchannels.net [23.83.209.150]) by sourceware.org (Postfix) with ESMTPS id F2D72384C00B for ; Mon, 21 Dec 2020 12:29:00 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org F2D72384C00B Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=gotplt.org Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=siddhesh@gotplt.org X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 59CEA7E1A43; Mon, 21 Dec 2020 12:28:59 +0000 (UTC) Received: from pdx1-sub0-mail-a74.g.dreamhost.com (100-96-27-97.trex.outbound.svc.cluster.local [100.96.27.97]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id DA3D47E1CDD; Mon, 21 Dec 2020 12:28:58 +0000 (UTC) X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from pdx1-sub0-mail-a74.g.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384) by 0.0.0.0:2500 (trex/5.18.11); Mon, 21 Dec 2020 12:28:59 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|siddhesh@gotplt.org X-MailChannels-Auth-Id: dreamhost X-Shoe-Madly: 3aeb7ef232837b19_1608553739119_2084298022 X-MC-Loop-Signature: 1608553739119:4183198836 X-MC-Ingress-Time: 1608553739118 Received: from pdx1-sub0-mail-a74.g.dreamhost.com (localhost [127.0.0.1]) by pdx1-sub0-mail-a74.g.dreamhost.com (Postfix) with ESMTP id 95E80830A1; Mon, 21 Dec 2020 04:28:58 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gotplt.org; h=subject:to :references:from:message-id:date:mime-version:in-reply-to :content-type:content-transfer-encoding; s=gotplt.org; bh=fwGaVU lVlmTIewte3n9/rAf+V8w=; b=c3Yx44yiqbiEyRfOyvHW78ZWaaA6HkEakIPQeJ /8tn5dct12Dhm/8EZq0YinlHfGja6qKvntNVxZlCmienHGhXGqU0r/ckZDfZ5itg 9iIRGx98DpiWt2rtEwCe6ILX2b+hJ24j5nXKZ0SBQdmNWDOxnR9xvVfDbz68vU68 BNUJY= Received: from [192.168.1.111] (unknown [1.186.101.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: siddhesh@gotplt.org) by pdx1-sub0-mail-a74.g.dreamhost.com (Postfix) with ESMTPSA id 467D682FDC; Mon, 21 Dec 2020 04:28:56 -0800 (PST) Subject: Re: [PATCH v4 0/6] Memory tagging support To: Richard Earnshaw , libc-alpha@sourceware.org References: <20201218192957.11035-1-rearnsha@arm.com> X-DH-BACKEND: pdx1-sub0-mail-a74 From: Siddhesh Poyarekar Message-ID: <077702a8-04dd-d9eb-2a9b-b27caf1a532f@gotplt.org> Date: Mon, 21 Dec 2020 17:58:49 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 In-Reply-To: <20201218192957.11035-1-rearnsha@arm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, NICE_REPLY_A, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Dec 2020 12:29:02 -0000 On 12/19/20 12:59 AM, Richard Earnshaw via Libc-alpha wrote: > Main changes in this version: > > - collapse the changes to the malloc code to a single patch. > - change _LIBC_MTAG to USE_MTAG. > - comments around definition of PROT_MTE. > - tunable renamed to glibc.mem.tagging. > - cleanups to assembler files for aarch64 support. > I've tested the build to verify that --enable-memory-tagging works correctly on x86_64 and the resulting bins don't regress the testsuite. I'm working through the individual patches to review; will post comments shortly. Siddhesh