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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D15EC4332F for ; Mon, 14 Nov 2022 06:03:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235683AbiKNGDQ (ORCPT ); Mon, 14 Nov 2022 01:03:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235698AbiKNGDP (ORCPT ); Mon, 14 Nov 2022 01:03:15 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D08831758F; Sun, 13 Nov 2022 22:03:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=3nXiEkTHPSqcPohTZPOVmLRWizzGrhUgHhIBQefPWhM=; b=xgMCBIa0QhMpFPXemt89EZmxgq T9guZcwHbF86yzqI7jOE+PChT9os/oyvItF/vo7zx0OUa56eT286A2cpEHS0fLozY2ccbNcJpJYny JeNjjLCAHFEL7C0qG/LGhVAW01zOiIMemeW5QMSuCD3QpqhgGKYeR9ol0cQshQeWbiKcnEvuFN5o0 MWZsvqgSDKxhgxljvqX2CE7fsfmPFn08VK0JPpHOe+YBn+R6ZeDfGA3lf16Ya+rDN8OXPMolwV8U6 XHJdAPmcVhvPvc93JPjdE1l/q5evcGXj5dK/+IH4wKkji4Sj/YsPALpHM2urlpm5BmPiTvn68rK6d SnkpaghA==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1ouSYj-00GAg0-Mq; Mon, 14 Nov 2022 06:03:05 +0000 Date: Sun, 13 Nov 2022 22:03:05 -0800 From: Christoph Hellwig To: Linus Torvalds Cc: David Hildenbrand , linux-kernel@vger.kernel.org, linux-mm@kvack.org, etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-rdma@vger.kernel.org, linux-media@vger.kernel.org, linux-kselftest@vger.kernel.org, Andrew Morton , Jason Gunthorpe , John Hubbard , Peter Xu , Greg Kroah-Hartman , Andrea Arcangeli , Hugh Dickins , Nadav Amit , Vlastimil Babka , Matthew Wilcox , Mike Kravetz , Muchun Song , Lucas Stach , David Airlie , Oded Gabbay , Arnd Bergmann Subject: Re: [PATCH RFC 00/19] mm/gup: remove FOLL_FORCE usage from drivers (reliable R/O long-term pinning) Message-ID: References: <20221107161740.144456-1-david@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org On Mon, Nov 07, 2022 at 09:27:23AM -0800, Linus Torvalds wrote: > And I'd really love to just have this long saga ended, and FOLL_FORCE > finally relegated to purely ptrace accesses. At that point we should also rename it to FOLL_PTRACE to make that very clear, and also break anything in-flight accidentally readding it, which I'd otherwise expect to happen.