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=-5.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 DEB57C433DF for ; Mon, 27 Jul 2020 05:58:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C3C8120792 for ; Mon, 27 Jul 2020 05:58:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726184AbgG0F6R (ORCPT ); Mon, 27 Jul 2020 01:58:17 -0400 Received: from verein.lst.de ([213.95.11.211]:42062 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726006AbgG0F6R (ORCPT ); Mon, 27 Jul 2020 01:58:17 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id B1CC268B05; Mon, 27 Jul 2020 07:58:13 +0200 (CEST) Date: Mon, 27 Jul 2020 07:58:13 +0200 From: Christoph Hellwig To: Jonathan Lemon Cc: netdev@vger.kernel.org, kernel-team@fb.com, hch@lst.de, robin.murphy@arm.com, akpm@linux-foundation.org, davem@davemloft.net, kuba@kernel.org, willemb@google.com, edumazet@google.com, steffen.klassert@secunet.com, saeedm@mellanox.com, maximmi@mellanox.com, bjorn.topel@intel.com, magnus.karlsson@intel.com, borisp@mellanox.com, david@redhat.com Subject: Re: [RFC PATCH v2 03/21] mm: Allow DMA mapping of pages which are not online Message-ID: <20200727055813.GA1503@lst.de> References: <20200727052846.4070247-1-jonathan.lemon@gmail.com> <20200727052846.4070247-4-jonathan.lemon@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200727052846.4070247-4-jonathan.lemon@gmail.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Sun, Jul 26, 2020 at 10:28:28PM -0700, Jonathan Lemon wrote: > Change the system RAM check from 'valid' to 'online', so dummy > pages which refer to external DMA resources can be mapped. NAK. This looks completely bogus. Maybe you do have a good reason somewhere (although I doubt it), but then you'd actualy need to both explain it here, and also actually make sure I get the whole damn series. Until you fix up how you send these stupid partial cc lists I'll just ignore this crap.