From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-5.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id DBB877D082 for ; Wed, 3 Oct 2018 13:31:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726748AbeJCUTo (ORCPT ); Wed, 3 Oct 2018 16:19:44 -0400 Received: from mail-wm1-f67.google.com ([209.85.128.67]:51820 "EHLO mail-wm1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726720AbeJCUTo (ORCPT ); Wed, 3 Oct 2018 16:19:44 -0400 Received: by mail-wm1-f67.google.com with SMTP id 143-v6so5720848wmf.1; Wed, 03 Oct 2018 06:31:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=rH9ynS46NxJai8mT4TKM5mTN++Id+gWYJ71S5lXOGcc=; b=feuwCoJqCGMp38g0eBwmETIedIPq3hTdGUP2TuomDoIbAt/vXYVRXXhyGKnmIyWx+Z oZOC9Gah0H3IV3bgidL5OxKXOxIiWVeL/QXGQN11xnpZ6bb9IN75gwu+D3KLQ9CUcVAY f/w7aO6obR9d1xQVGuJvCt5H15xJ2shcZKMItZZZ2w86e97cpNQouYyHFeBQYrmiZEtO t2UP56zcAFjpDqhhDMzkqZdnPKtSD7+hwWkiATmRWDquhopFHmy/W5+TUEMPkM0j49qj VHFS8FzmP7RpNmqhi3ci1K1POKza/Xye1eUix3YseP5+dN3a3V32dbQ28vYxeqpd8mMS ZxEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=rH9ynS46NxJai8mT4TKM5mTN++Id+gWYJ71S5lXOGcc=; b=CJC6aXUPcomLvE6tqFmpeFD34uYPN5MNmYAJ1hMMLNdeIkj65GuEZ/oeFEjRtSjali +nJbzVQNGQX6lsBs59sN4eZewwh682tvfZhSP/aGF7WzYJawR5aJrrsdQePYh5QEsHXN eaFK7hgHZhawtSErKQccIgDKABMsDiAT1EbMatF5Wt0qaRCIAtvCO666eNfh8FxF3gT7 uvKV4T8e55ZRXnjlxjx4AhzQq8VeHgE8wj6ivzCO2DXWxlssXdO4CH2ThTSuNTPIkGyA DZP29FG6VrTlpKH3HxMgEBOxVYV/SiFyW9pfaxxwTPHCHIiRQMvSC8vAe5Ny3jya8ll+ 5yPg== X-Gm-Message-State: ABuFfog4pRZrFLJpnmRAVpZ5V0D724FQvJbZg+v7vGhHoW3FX8glyhMO kOLB/0zVmGFChxsjUDw/WWS4mpTs X-Google-Smtp-Source: ACcGV63bqBReLITiXiFxfLWR1v8xlRhThMneNTQBm9Qa732cmHOfNqoS5ynOrcEyF5jjs2n/nSntCA== X-Received: by 2002:a1c:9616:: with SMTP id y22-v6mr1477426wmd.72.1538573476761; Wed, 03 Oct 2018 06:31:16 -0700 (PDT) Received: from ltop.local ([2a02:a03f:4027:2900:31b9:7883:54ea:2f25]) by smtp.gmail.com with ESMTPSA id v76-v6sm2771425wmd.32.2018.10.03.06.31.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 03 Oct 2018 06:31:15 -0700 (PDT) Date: Wed, 3 Oct 2018 15:31:12 +0200 From: Luc Van Oostenryck To: Andrey Konovalov Cc: Catalin Marinas , Will Deacon , Mark Rutland , Robin Murphy , Kees Cook , Kate Stewart , Greg Kroah-Hartman , Andrew Morton , Ingo Molnar , "Kirill A . Shutemov" , Shuah Khan , linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Dmitry Vyukov , Kostya Serebryany , Evgeniy Stepanov , Lee Smith , Ramana Radhakrishnan , Jacob Bramley , Ruben Ayrapetyan , Chintan Pandya Subject: Re: [PATCH v7 0/8] arm64: untag user pointers passed to the kernel Message-ID: <20181003133110.4y3xhexjrvffivff@ltop.local> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20180622 Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On Tue, Oct 02, 2018 at 03:12:35PM +0200, Andrey Konovalov wrote: ... > Changes in v7: > - Rebased onto 17b57b18 (4.19-rc6). > - Dropped the "arm64: untag user address in __do_user_fault" patch, since > the existing patches already handle user faults properly. > - Dropped the "usb, arm64: untag user addresses in devio" patch, since the > passed pointer must come from a vma and therefore be untagged. > - Dropped the "arm64: annotate user pointers casts detected by sparse" > patch (see the discussion to the replies of the v6 of this patchset). > - Added more context to the cover letter. > - Updated Documentation/arm64/tagged-pointers.txt. Hi, I'm quite hapy now with what concerns me (sparse). Please, feel free to add my: Reviewed-by: Luc Van Oostenryck Cheers, -- Luc Van Oostenryck