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=-8.4 required=3.0 tests=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 6E25FC43603 for ; Mon, 16 Dec 2019 11:30:46 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2EFE720700 for ; Mon, 16 Dec 2019 11:30:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="A2gSXbrg" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2EFE720700 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 C6A508E0006; Mon, 16 Dec 2019 06:30:45 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C1A3A8E0003; Mon, 16 Dec 2019 06:30:45 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B086F8E0006; Mon, 16 Dec 2019 06:30:45 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0191.hostedemail.com [216.40.44.191]) by kanga.kvack.org (Postfix) with ESMTP id 9B4AB8E0003 for ; Mon, 16 Dec 2019 06:30:45 -0500 (EST) Received: from smtpin12.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with SMTP id 61ADE33C4 for ; Mon, 16 Dec 2019 11:30:45 +0000 (UTC) X-FDA: 76270787250.12.juice77_7af1a48aab31c X-HE-Tag: juice77_7af1a48aab31c X-Filterd-Recvd-Size: 4805 Received: from mail-wr1-f66.google.com (mail-wr1-f66.google.com [209.85.221.66]) by imf16.hostedemail.com (Postfix) with ESMTP for ; Mon, 16 Dec 2019 11:30:44 +0000 (UTC) Received: by mail-wr1-f66.google.com with SMTP id y11so6793104wrt.6 for ; Mon, 16 Dec 2019 03:30:44 -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=s+OuRUv6q2/ESSGzGRAFIE69FfiN2hZbh5tYHStKSlc=; b=A2gSXbrgAX+Vkwu0VZQQt//zy3Aqff1IIzzwOKuCfl5M4HwORkl5wk+FWa/Y8w9Tss Z8tC8nI9Y4AU2KaItSgijwDGXXOyamIgFrgCbnRwH1pFjWlJFVJBfmy6FdEjgPffORWs 283kVIvidxmPQAXMgsn9Q9Kfr3ABqk1XbHCuMIfgLFgpTI6XXqghKW8gIVe7LGrSdj5D b5lXVJaJIkZLIwo4uBDWsrId422MO8ck7bmB6TEoErG0woKgshNEfmmPrVayB354OOWQ EvzAVVdeIvi3qzVZ+rzsu6QIZXc4orchG+6FMPsiKPihCKQ8THxgSW4vSp62ALD/3Rve FqNQ== 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=s+OuRUv6q2/ESSGzGRAFIE69FfiN2hZbh5tYHStKSlc=; b=mNVS7M4jm9cNrl1HH/dQ5LQwbZoievIj077FtLCHTx7qCtW3Qsfa+yuJ/l1YWw9vpf XylpNcxo2KUIWVVvd75nMbdiaJfI52aCHOt37HQirmc8L00ryvMiwS6yaIRGaoyGmtJe M+Spvxg4G5yihMJTX+TRKvEw6dGpTnylH6zo2ii7JoNf1X4XsTKxjQm8gFU0kC6ghNR5 Bz6u5rd9gL0ZMuos47ByeeN3VSc4xR2You/iK885rshAbFvk3d0Mv0b8guJQU9iywKWt 3fC6yPvwv70SxT4oWVAYEMAaTND8SmsZYM8DE503scGDWy+CU42XbJnZv8SJ/hCSaebt cZBQ== X-Gm-Message-State: APjAAAVAwcNNDqdNbGaCVI/XMKXss31pzlOLKwISjiHVL5UsIDDFs9Ky EmUFieInNibXFbJtdmfme/+jpO5W20hYv4+/rF9jGQ== X-Google-Smtp-Source: APXvYqyDsQDQ8/NjjYWirhcGlPGu0Xv/FBm52h9kSoXl/vAe7dpd69D3anz+EY8GyUjWOTh9DtQko2BYMcrJRHDs1Yk= X-Received: by 2002:adf:9104:: with SMTP id j4mr29888815wrj.221.1576495843172; Mon, 16 Dec 2019 03:30:43 -0800 (PST) MIME-Version: 1.0 References: <20191122112621.204798-1-glider@google.com> <20191122112621.204798-24-glider@google.com> In-Reply-To: From: Alexander Potapenko Date: Mon, 16 Dec 2019 12:30:32 +0100 Message-ID: Subject: Re: [PATCH RFC v3 23/36] kmsan: call KMSAN hooks where needed To: Andrey Konovalov Cc: Andrew Morton , Greg Kroah-Hartman , Eric Dumazet , Wolfram Sang , Petr Mladek , Vegard Nossum , Dmitry Vyukov , Linux Memory Management List , Alexander Viro , Andreas Dilger , Andrey Ryabinin , Andy Lutomirski , Ard Biesheuvel , Arnd Bergmann , Christoph Hellwig , Christoph Hellwig , "Darrick J. Wong" , "David S. Miller" , Dmitry Torokhov , Eric Biggers , Eric Van Hensbergen , Harry Wentland , Herbert Xu , Ilya Leoshkevich , Ingo Molnar , Jason Wang , Jens Axboe , Marek Szyprowski , Marco Elver , Mark Rutland , "Martin K. Petersen" , Martin Schwidefsky , Matthew Wilcox , "Michael S . Tsirkin" , Michal Simek , Qian Cai , Randy Dunlap , Robin Murphy , Sergey Senozhatsky , Steven Rostedt , Takashi Iwai , "Theodore Ts'o" , Thomas Gleixner , Vasily Gorbik Content-Type: text/plain; charset="UTF-8" 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, Nov 29, 2019 at 5:22 PM Andrey Konovalov wrote: > > On Fri, Nov 22, 2019 at 12:27 PM wrote: > > > > Insert KMSAN hooks that check for potential memory errors and/or make > > necessary bookkeeping changes: > > I think it makes sense to split this patch into 2+ parts, the first > one adds hooks for internal KMSAN bookkeeping: > Done in v4.