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=-3.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 0E53DC00A89 for ; Mon, 2 Nov 2020 07:31:13 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 98EAB221FF for ; Mon, 2 Nov 2020 07:31:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="zmceA0Sa"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Erkn5URR" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 98EAB221FF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Loc1vIXjeHA2EWurEgkAeQTzI8PyIBgpVL2EAGR6RzE=; b=zmceA0SaVJo/jFcGRnNjfZd8/ R3rw8kOmD1h6l3vYQ2+XmhneIeLYgNzLjeaPuoDaGSfac0Z8Ufvp1ZllM3iCB4hKN/5UeeTOZX1J4 nttvbJ19azTuDQRpErQNFod3Yx4zBGodYN5eN5bxJ5vBU+XyMjKqpMUZ8gsc5NP+JI2qpuZ5zyBqT T1SdhmRd2HO9taJuQmf4dvSN/rpeBJu6pT/kWUF32B4ZhMTU6KACEgp+kdpsmlOB1CFvCDmONeKyE ghTVNKmercoY6T0zPD6rXdQYJu8UH09e1q0HFFj/i7M0+6wMoTCaRUxw5BGTcKaa10vxroIME4iFT VwIE/Kn5A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kZUHa-00072Z-KY; Mon, 02 Nov 2020 07:29:38 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1kZUHX-00071r-Tq for linux-arm-kernel@merlin.infradead.org; Mon, 02 Nov 2020 07:29:35 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=7kqil5vrmEb2Nddp3OQTQBXQGkc9niPiGcaNE67tBY8=; b=Erkn5URR+wSGh9C0rgWsbo+p9y ppm6PQDbDGHOGGA2h3Hrj/hAaUJmZb7bckVW0bAUthsA1/1XR/stYVsLsHGSL+0cUvzAzwZBKG4Z+ 1X+JPSn7x/00wDea9bTorvr41bTNvJ1tZplphwfSACELJOmWElB84jaIHXnye8gKSTw7PYtIkp+cK WGyQCz7gr/AM/kILQY6/E3kR8Ur/Rw382iwx+IpLcP8isCw9xGb2Ye7bH/QCr3P+yArX+AJnphOaO aU9VCRUV9hCMajGMKNzrOpgkRoBtDaIgpUmG5ro2Cv7DaRGobrM3PjNsUJlNDtS1sygQt/v3/GLna efXx4F/w==; Received: from hch by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kZUHU-0004O4-0T; Mon, 02 Nov 2020 07:29:32 +0000 Date: Mon, 2 Nov 2020 07:29:31 +0000 From: Christoph Hellwig To: Daniel Vetter Subject: Re: [PATCH v5 08/15] mm: Add unsafe_follow_pfn Message-ID: <20201102072931.GA16419@infradead.org> References: <20201030100815.2269-1-daniel.vetter@ffwll.ch> <20201030100815.2269-9-daniel.vetter@ffwll.ch> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20201030100815.2269-9-daniel.vetter@ffwll.ch> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-samsung-soc@vger.kernel.org, Jan Kara , Kees Cook , kvm@vger.kernel.org, Jason Gunthorpe , John Hubbard , LKML , DRI Development , Christoph Hellwig , linux-mm@kvack.org, J??r??me Glisse , Daniel Vetter , Dan Williams , Andrew Morton , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Oct 30, 2020 at 11:08:08AM +0100, Daniel Vetter wrote: > Also mark up follow_pfn as EXPORT_SYMBOL_GPL. The only safe way to use > that by drivers/modules is together with an mmu_notifier, and that's > all _GPL stuff. I also think it also needs to be renamed to explicitly break any existing users out of tree or int the submission queue. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel