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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 211DBC433E0 for ; Tue, 22 Dec 2020 20:02:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D8D6823137 for ; Tue, 22 Dec 2020 20:02:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727326AbgLVUCh (ORCPT ); Tue, 22 Dec 2020 15:02:37 -0500 Received: from mail.kernel.org ([198.145.29.99]:45768 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726289AbgLVUCh (ORCPT ); Tue, 22 Dec 2020 15:02:37 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1E7F023137; Tue, 22 Dec 2020 20:02:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1608667341; bh=24kg3PNyKlXnB6Xe61RW6pY/C7fqdxm5pJlEpurIZYw=; h=Date:From:To:Subject:In-Reply-To:From; b=OGpn/ioGrNub06J0iS4FlJNbQT2o0xADJff5SMLvDGocPf0rRsufJRR7ZUYIIuqIi 1zu/sLHTSj1gXyGZbJCeCnu8iZR7svdPqV8/AKSvrL696r9f9jTkri5/52aF2tSK+y Q7/n7EBLchOuFv3VY4BPBLMh4SQIrONxDhYobBb0= Date: Tue, 22 Dec 2020 12:02:20 -0800 From: Andrew Morton To: akpm@linux-foundation.org, andreyknvl@google.com, aryabinin@virtuozzo.com, Branislav.Rankov@arm.com, catalin.marinas@arm.com, dvyukov@google.com, elver@google.com, eugenis@google.com, glider@google.com, gor@linux.ibm.com, kevin.brodsky@arm.com, linux-mm@kvack.org, mm-commits@vger.kernel.org, torvalds@linux-foundation.org, vincenzo.frascino@arm.com, will.deacon@arm.com Subject: [patch 39/60] kasan, arm64: enable CONFIG_KASAN_HW_TAGS Message-ID: <20201222200220.wzQYtRYE1%akpm@linux-foundation.org> In-Reply-To: <20201222115844.d30aaef7df6f5b120d3e0c3d@linux-foundation.org> User-Agent: s-nail v14.8.16 Precedence: bulk Reply-To: linux-kernel@vger.kernel.org List-ID: X-Mailing-List: mm-commits@vger.kernel.org From: Andrey Konovalov Subject: kasan, arm64: enable CONFIG_KASAN_HW_TAGS Hardware tag-based KASAN is now ready, enable the configuration option. Link: https://lkml.kernel.org/r/a6fa50d3bb6b318e05c6389a44095be96442b8b0.1606161801.git.andreyknvl@google.com Signed-off-by: Andrey Konovalov Signed-off-by: Vincenzo Frascino Acked-by: Catalin Marinas Reviewed-by: Alexander Potapenko Tested-by: Vincenzo Frascino Cc: Andrey Ryabinin Cc: Branislav Rankov Cc: Dmitry Vyukov Cc: Evgenii Stepanov Cc: Kevin Brodsky Cc: Marco Elver Cc: Vasily Gorbik Cc: Will Deacon Signed-off-by: Andrew Morton --- arch/arm64/Kconfig | 1 + 1 file changed, 1 insertion(+) --- a/arch/arm64/Kconfig~kasan-arm64-enable-config_kasan_hw_tags +++ a/arch/arm64/Kconfig @@ -137,6 +137,7 @@ config ARM64 select HAVE_ARCH_JUMP_LABEL_RELATIVE select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48) select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN + select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE) select HAVE_ARCH_KGDB select HAVE_ARCH_MMAP_RND_BITS select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT _