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=-3.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS 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 27330C433B4 for ; Fri, 7 May 2021 11:32:08 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id AE0F661443 for ; Fri, 7 May 2021 11:32:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org AE0F661443 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 0CC218D000E; Fri, 7 May 2021 07:32:07 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 055C28D000B; Fri, 7 May 2021 07:32:06 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id DC2D68D000E; Fri, 7 May 2021 07:32:06 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0238.hostedemail.com [216.40.44.238]) by kanga.kvack.org (Postfix) with ESMTP id BD3048D000B for ; Fri, 7 May 2021 07:32:06 -0400 (EDT) Received: from smtpin08.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 733B2180ACF75 for ; Fri, 7 May 2021 11:32:06 +0000 (UTC) X-FDA: 78114221052.08.B361A86 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf30.hostedemail.com (Postfix) with ESMTP id C6239E0011E0 for ; Fri, 7 May 2021 11:31:39 +0000 (UTC) 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=mqQ6WGNGTBB2lnr8xs2cVbAkboIvHY3B9yP2k6r/7BQ=; b=f6ykX4K7reSNXFrRdITQ40GQnb cod4J1zm4FoD1YjnZgbiW1MGn9zNJyEnP87o4aADEtb0shEux2NYiyyt0+zQzLE1lLbqJ18/LBkiW lUxshDjNsfU++qZ1zIKr9TmVfFoDihiaKqncnRzoJo8C1zF7uAZQTPeoGSHE+42EB3BGa3YClEZ/j Ff9QQIfW0UTMyLzFzNRegam3xS0JNZb5BRNHK4PRN5/HvIA5KVfBwaCmbcrNg++fq9zMZrWcdAZ17 4gR0Kdz8PsnqLD972vomwgfAb5BBfPDMkKTucoVliyrPGMHte7pYXq46ovkfElYSvfH70c8By09Wd 1PJpV0tg==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1leyhL-0037xM-KZ; Fri, 07 May 2021 11:31:16 +0000 Date: Fri, 7 May 2021 12:31:11 +0100 From: Christoph Hellwig To: Jesper Dangaard Brouer Cc: Yunsheng Lin , Ilias Apalodimas , Matteo Croce , netdev@vger.kernel.org, linux-mm@kvack.org, Ayush Sawal , Vinay Kumar Yadav , Rohit Maheshwari , "David S. Miller" , Jakub Kicinski , Thomas Petazzoni , Marcin Wojtas , Russell King , Mirko Lindner , Stephen Hemminger , Tariq Toukan , Jesper Dangaard Brouer , Alexei Starovoitov , Daniel Borkmann , John Fastabend , Boris Pismenny , Arnd Bergmann , Andrew Morton , "Peter Zijlstra (Intel)" , Vlastimil Babka , Yu Zhao , Will Deacon , Michel Lespinasse , Fenghua Yu , Roman Gushchin , Hugh Dickins , Peter Xu , Jason Gunthorpe , Guoqing Jiang , Jonathan Lemon , Alexander Lobakin , Cong Wang , wenxu , Kevin Hao , Aleksandr Nogikh , Jakub Sitnicki , Marco Elver , Willem de Bruijn , Miaohe Lin , Guillaume Nault , linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, bpf@vger.kernel.org, Matthew Wilcox , Eric Dumazet , David Ahern , Lorenzo Bianconi , Saeed Mahameed , Andrew Lunn , Paolo Abeni Subject: Re: [PATCH net-next v3 0/5] page_pool: recycle buffers Message-ID: References: <9bf7c5b3-c3cf-e669-051f-247aa8df5c5a@huawei.com> <33b02220-cc50-f6b2-c436-f4ec041d6bc4@huawei.com> <75a332fa-74e4-7b7b-553e-3a1a6cb85dff@huawei.com> <20210507121953.59e22aa8@carbon> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210507121953.59e22aa8@carbon> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=f6ykX4K7; dmarc=none; spf=none (imf30.hostedemail.com: domain of BATV@casper.srs.infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=BATV@casper.srs.infradead.org X-Stat-Signature: ayi4ikaf8c8kmq79q8ehbkrtgwtthg7n X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: C6239E0011E0 Received-SPF: none (casper.srs.infradead.org>: No applicable sender policy available) receiver=imf30; identity=mailfrom; envelope-from=""; helo=casper.infradead.org; client-ip=90.155.50.34 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1620387099-158175 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, May 07, 2021 at 12:19:53PM +0200, Jesper Dangaard Brouer wrote: > Nvidia[2] being involved which I think was unfair). The general idea > behind NetGPU makes sense to me, Sorry, but that is utter bullshit. It was rejected because it did nothing but injecting hooks for an out of tree module while ignoring the existing kernel infrastructure for much of what it tries to archive.