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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_IN_DEF_DKIM_WL 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 51913C433DB for ; Fri, 12 Mar 2021 13:52:10 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 01A8A64FB8 for ; Fri, 12 Mar 2021 13:52:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 01A8A64FB8 Authentication-Results: mail.kernel.org; dmarc=fail (p=reject dis=none) header.from=google.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 71C7D8D0356; Fri, 12 Mar 2021 08:52:09 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 6CD138D0346; Fri, 12 Mar 2021 08:52:09 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 546998D0356; Fri, 12 Mar 2021 08:52:09 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0118.hostedemail.com [216.40.44.118]) by kanga.kvack.org (Postfix) with ESMTP id 3827C8D0346 for ; Fri, 12 Mar 2021 08:52:09 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id E6EDD181F24BD for ; Fri, 12 Mar 2021 13:52:08 +0000 (UTC) X-FDA: 77911361136.06.544A9E8 Received: from mail-pg1-f169.google.com (mail-pg1-f169.google.com [209.85.215.169]) by imf05.hostedemail.com (Postfix) with ESMTP id D8293E0011FA for ; Fri, 12 Mar 2021 13:52:07 +0000 (UTC) Received: by mail-pg1-f169.google.com with SMTP id n9so14953382pgi.7 for ; Fri, 12 Mar 2021 05:52:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=qaH9KU2KwFKsLqRjuU6mMbuIQ6s+6udeN62Nf4zmSB4=; b=RwVBkPff80a0Q9ymIWoePZiPGj7DLUgECdmKwzLZZb/JudZ3Th95j36L+s52CsFS+2 lYtyXsSb7pfsVS9Y5knt7mSiVixsO9jn7sYQi6jxnsZKW8g4q0+fd7zLfkf0Wa0S/YyV VeYnQh/n9mqXmJvOmdxCxVYP5GfbJikDnKKVZorzXUaRRtklVz5nHbBK0GyVdwLekKSG wFEbLqyixFeYGaJJyeJRDcgq4aaiPnIlRofIqmsWBUA71Xl3fQ0gaJeFDp0yHb1AYtjz Zo5Y8kaSXB5/x4SffUtQObskoKdS3d8ZCyoPpFn+HSw7Ybv00jXl/Q0H1IOtym8OVnEn p7gA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=qaH9KU2KwFKsLqRjuU6mMbuIQ6s+6udeN62Nf4zmSB4=; b=mAplywYqAEa1ZxBcwrPWyn9ZevUgvHhcMWnFPqgzz7nO7Sdj1bUr07GGsJ3TdEv51y uwN4oMMT6eV9SSZS4XB8Yv9jFGolHjL1XgNBqhWQF2+GGc1tL1bppv2+jvGKwm4YChFW pZ9IvNU1H6N5EK6JeCQmb4+XmT70WLguY5XVRSdNTDDa+iCEcEyINHdVsFgwEzBtguhW b7uZajujaQ4sbcCmWe4NOy7RUe+SerqCm1bcicpgGCq9UUnrVIiIsteNaPtKvDWnRy+M i+K1YtO0nQSMc7BgmmfRCClGBUo/S89WedZhZuuXbjyW45kIbdpMBK1QL6wYneS6MUhf /WOg== X-Gm-Message-State: AOAM532JdN0BKWziSh50KEQIyoz8GoG3CNytCvlkb87kaPmBQv0fb1NA klLzruk135s9tpoU2flA1qEPvrEQ3/VKAB4ENboDCw== X-Google-Smtp-Source: ABdhPJwuGwn60b/Z2P54zo3q5S/j0WWVSWP3eyQhdDtz0g0Oa9EoE9A1lceC0V6zJLLkjf/x1NvKO0yR7ig4QMt8g/k= X-Received: by 2002:a62:cd49:0:b029:1f3:3697:90d4 with SMTP id o70-20020a62cd490000b02901f3369790d4mr12569341pfg.24.1615557127049; Fri, 12 Mar 2021 05:52:07 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Andrey Konovalov Date: Fri, 12 Mar 2021 14:51:56 +0100 Message-ID: Subject: Re: [PATCH 02/11] kasan: docs: update overview section To: Marco Elver Cc: Andrew Morton , Alexander Potapenko , Andrey Ryabinin , Dmitry Vyukov , kasan-dev , Linux Memory Management List , LKML Content-Type: text/plain; charset="UTF-8" X-Stat-Signature: s764nr93rwy6hkwto7jwbnzdmqf5uukr X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: D8293E0011FA Received-SPF: none (google.com>: No applicable sender policy available) receiver=imf05; identity=mailfrom; envelope-from=""; helo=mail-pg1-f169.google.com; client-ip=209.85.215.169 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1615557127-995916 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 Fri, Mar 12, 2021 at 11:18 AM Marco Elver wrote: > > > -Currently generic KASAN is supported for the x86_64, arm, arm64, xtensa, s390 > > +The hardware KASAN mode (#3) relies on hardware to perform the checks but > > +still requires a compiler version that supports memory tagging instructions. > > +This mode is supported in Clang 11+. > > Doesn't HW_TAGS mode work with GCC as well? While the sentence doesn't > say "exclusively", the mention of Clang 11+ makes me think it's only > Clang. I never tried it with GCC until just now. But looks like it works. Will add GCC here, thanks!