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=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS 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 74111C55ABD for ; Tue, 10 Nov 2020 22:54:36 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id C51F120781 for ; Tue, 10 Nov 2020 22:54:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="PMMtGRTi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C51F120781 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linux-foundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C3B3C6B005D; Tue, 10 Nov 2020 17:54:34 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id BEBB76B0068; Tue, 10 Nov 2020 17:54:34 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id ADB776B006C; Tue, 10 Nov 2020 17:54:34 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0154.hostedemail.com [216.40.44.154]) by kanga.kvack.org (Postfix) with ESMTP id 817816B005D for ; Tue, 10 Nov 2020 17:54:34 -0500 (EST) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 355C98249980 for ; Tue, 10 Nov 2020 22:54:34 +0000 (UTC) X-FDA: 77470014468.10.truck73_5917466272f8 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin10.hostedemail.com (Postfix) with ESMTP id 0D4C416A046 for ; Tue, 10 Nov 2020 22:54:34 +0000 (UTC) X-HE-Tag: truck73_5917466272f8 X-Filterd-Recvd-Size: 2736 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by imf13.hostedemail.com (Postfix) with ESMTP for ; Tue, 10 Nov 2020 22:54:33 +0000 (UTC) Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (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 1C691205CA; Tue, 10 Nov 2020 22:54:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605048872; bh=gsDtrEo/+4VxZ0lzAA/UbiyTAEoGDS7zICfT710MOJc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PMMtGRTiQw6LrxiauVSJv7kDsCfSrfZpwm3o2p8MOLy3Yet+GKJp7JttqW6HOKnxA SiA9IlhVAj3WCPPPjK8a+Xw8xQmQ5D82W+Q4HPRKcrErSQeroIuiFctZGp6dshOys+ oI79pcHx2EBfWhbmWqBPV4+dRUlvsMDzDF2eJYI0= Date: Tue, 10 Nov 2020 14:54:30 -0800 From: Andrew Morton To: Andrey Konovalov Cc: Catalin Marinas , Will Deacon , Vincenzo Frascino , Dmitry Vyukov , Andrey Ryabinin , Alexander Potapenko , Marco Elver , Evgenii Stepanov , Branislav Rankov , Kevin Brodsky , kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v9 00/44] kasan: add hardware tag-based mode for arm64 Message-Id: <20201110145430.e15cb0e0d51498d961206be9@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 Tue, 10 Nov 2020 23:09:57 +0100 Andrey Konovalov wrote: > This patchset adds a new hardware tag-based mode to KASAN [1]. The new mode > is similar to the existing software tag-based KASAN, but relies on arm64 > Memory Tagging Extension (MTE) [2] to perform memory and pointer tagging > (instead of shadow memory and compiler instrumentation). I have that all merged up on top of linux-next. Numerous minor conflicts, mainly in arch/arm/Kconfig. Also the changes in https://lkml.kernel.org/r/20201103175841.3495947-7-elver@google.com had to be fed into "kasan: split out shadow.c from common.c". I staged it after linux-next to provide visibility into potentially conflicting changes in the arm tree as things move forward.