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 16A11C433EF for ; Fri, 4 Feb 2022 07:25:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351130AbiBDHZh (ORCPT ); Fri, 4 Feb 2022 02:25:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237855AbiBDHZg (ORCPT ); Fri, 4 Feb 2022 02:25:36 -0500 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93F21C061714 for ; Thu, 3 Feb 2022 23:25:36 -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=pSIk8p85bexLoPQZFRwkv0+ES2itcgz4LVldLAyslFc=; b=ga7TLa31ECuvrOpogYl+VPdgMX lFCXWAWmUgaUUwfItnclfICRNswZH8D0CsGAOM0ulh1dTv+RDAcSHVX7KO8sdjzNnX4sDEW65NDjc bZyWb8QAfCxHpoab6WT2wkdkjCB9cj6SKtaTSieuKERGLW7SvC9/iJuKzCkPJ2WRrTe6VAME2Id83 OW3iQXjiqHhsVeSR5E0sAjt7wvZqIS0qNdfp1EAvcYGsfbwyvQqScCAI5+8GgpFyVTGd+3dsBgTXe dtpMlYofz3tj4GPBrp6wzNIfTV+QHcNeiMUwNZwR3DYIcTZMTuaibccRXG6WVjkAqzuWjfMlTr4Jw DaI96LSQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nFsy9-003eFM-2M; Fri, 04 Feb 2022 07:25:21 +0000 Date: Thu, 3 Feb 2022 23:25:21 -0800 From: Christoph Hellwig To: John Hubbard Cc: Andrew Morton , Peter Xu , Jason Gunthorpe , David Hildenbrand , Lukas Bulwahn , Claudio Imbrenda , Christoph Hellwig , Matthew Wilcox , Jan Kara , "Kirill A . Shutemov" , Alex Williamson , Andrea Arcangeli , LKML , linux-mm@kvack.org Subject: Re: [PATCH v4 1/5] mm: Fix invalid page pointer returned with FOLL_PIN gups Message-ID: References: <20220204020010.68930-1-jhubbard@nvidia.com> <20220204020010.68930-2-jhubbard@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220204020010.68930-2-jhubbard@nvidia.com> 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-kernel@vger.kernel.org On Thu, Feb 03, 2022 at 06:00:06PM -0800, John Hubbard wrote: > From: Peter Xu > > Alex reported invalid page pointer returned with pin_user_pages_remote() from > vfio after upstream commit 4b6c33b32296 ("vfio/type1: Prepare for batched > pinning with struct vfio_batch"). This commit message uses overly long lines all over. Otherwise looks good: Reviewed-by: Christoph Hellwig