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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 D3BBEC433C1 for ; Fri, 19 Mar 2021 17:41:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EF4061925 for ; Fri, 19 Mar 2021 17:41:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230055AbhCSRlY (ORCPT ); Fri, 19 Mar 2021 13:41:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:43616 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229960AbhCSRlO (ORCPT ); Fri, 19 Mar 2021 13:41:14 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id E8E2661925; Fri, 19 Mar 2021 17:41:10 +0000 (UTC) Date: Fri, 19 Mar 2021 17:41:08 +0000 From: Catalin Marinas To: Lecopzer Chen Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, will@kernel.org, dan.j.williams@intel.com, aryabinin@virtuozzo.com, glider@google.com, dvyukov@google.com, akpm@linux-foundation.org, linux-mediatek@lists.infradead.org, yj.chiang@mediatek.com, ardb@kernel.org, andreyknvl@google.com, broonie@kernel.org, linux@roeck-us.net, rppt@kernel.org, tyhicks@linux.microsoft.com, robin.murphy@arm.com, vincenzo.frascino@arm.com, gustavoars@kernel.org, lecopzer@gmail.com Subject: Re: [PATCH v3 0/5] arm64: kasan: support CONFIG_KASAN_VMALLOC Message-ID: <20210319174108.GD6832@arm.com> References: <20210206083552.24394-1-lecopzer.chen@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210206083552.24394-1-lecopzer.chen@mediatek.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Lecopzer, On Sat, Feb 06, 2021 at 04:35:47PM +0800, Lecopzer Chen wrote: > Linux supports KAsan for VMALLOC since commit 3c5c3cfb9ef4da9 > ("kasan: support backing vmalloc space with real shadow memory") > > Acroding to how x86 ported it [1], they early allocated p4d and pgd, > but in arm64 I just simulate how KAsan supports MODULES_VADDR in arm64 > by not to populate the vmalloc area except for kimg address. Do you plan an update to a newer kernel like 5.12-rc3? > Signed-off-by: Lecopzer Chen > Acked-by: Andrey Konovalov > Tested-by: Andrey Konovalov > Tested-by: Ard Biesheuvel You could move these to individual patches rather than the cover letter, assuming that they still stand after the changes you've made. Also note that Andrey K no longer has the @google.com email address if you cc him on future patches (replace it with @gmail.com). Thanks. -- Catalin