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 9CE78EB64DC for ; Tue, 11 Jul 2023 05:05:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229843AbjGKFFD (ORCPT ); Tue, 11 Jul 2023 01:05:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229583AbjGKFEv (ORCPT ); Tue, 11 Jul 2023 01:04:51 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5CD7FB; Mon, 10 Jul 2023 22:04:50 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id 05D8C6732D; Tue, 11 Jul 2023 07:04:46 +0200 (CEST) Date: Tue, 11 Jul 2023 07:04:45 +0200 From: Christoph Hellwig To: Jakub Kicinski Cc: Christoph Hellwig , Jason Gunthorpe , Mina Almasry , John Hubbard , Dan Williams , David Ahern , Jesper Dangaard Brouer , brouer@redhat.com, Alexander Duyck , Yunsheng Lin , davem@davemloft.net, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Lorenzo Bianconi , Yisen Zhuang , Salil Mehta , Eric Dumazet , Sunil Goutham , Geetha sowjanya , Subbaraya Sundeep , hariprasad , Saeed Mahameed , Leon Romanovsky , Felix Fietkau , Ryder Lee , Shayne Chen , Sean Wang , Kalle Valo , Matthias Brugger , AngeloGioacchino Del Regno , Jesper Dangaard Brouer , Ilias Apalodimas , linux-rdma@vger.kernel.org, linux-wireless@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Jonathan Lemon Subject: Re: Memory providers multiplexing (Was: [PATCH net-next v4 4/5] page_pool: remove PP_FLAG_PAGE_FRAG flag) Message-ID: <20230711050445.GA19323@lst.de> References: <5e0ac5bb-2cfa-3b58-9503-1e161f3c9bd5@kernel.org> <20230711042708.GA18658@lst.de> <20230710215906.49514550@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230710215906.49514550@kernel.org> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Mon, Jul 10, 2023 at 09:59:06PM -0700, Jakub Kicinski wrote: > On Tue, 11 Jul 2023 06:27:08 +0200 Christoph Hellwig wrote: > > Not going to comment on the rest of this as it seems bat shit crazy > > hacks for out of tree junk. Why is anyone even wasting time on this? > > Noob question - how does RDMA integrate with the out of tree junk? > AFAIU it's possible to run the "in-tree" RDMA stack and get "GPU > direct". I don't care and it has absolutel no business being discussed here. FYI at leat iWarp is a totally open standard.