From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D42ED16F8E1; Tue, 11 Jun 2024 06:25:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718087119; cv=none; b=DY5Zt5i9h9EJJmYTtrySH6AfLwmlZU269g28ibyDVwEXcCUE5fWR0j5pXG1echEGAV8VA48FezGYZgsaicSQe5uCm27JvhRD05txtGAYzVkGl4nF7klfbQ0eV+K0K92rBzhUPm26euLNCWiXAWvZVCoC+NV1532UAXIztfzuNA4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718087119; c=relaxed/simple; bh=NwZHYp51blvYYi6voSW7p7zTGyG43lBc53N0AUPKbMY=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dkEIG5xtw2LACJjAUMWizasFat5lf7Ud6+LVUR3sl7OBCXtYEOuao77CqjWgUprTduG/vebobnP8sPHp+wIEjaLdhwnAI8NvLJpYWp7RQEtRH61WfNG+4LiRfV41eS3662spa22+u8EyUpV40v9h/gbbMPVqfNFcufabpsoh46g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=vsk5TKRp; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="vsk5TKRp" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=NwZHYp51blvYYi6voSW7p7zTGyG43lBc53N0AUPKbMY=; b=vsk5TKRpCpoLMJwN4+N0Xoce51 gKqcmhrI8PGJLqTcZutaWEzny49LEjldaSM6NmvaVDtRZNxFhkUaHoZs8k2IkAw/fSYqS/NpbNJ99 4I1IhUkLjfFTWmZJ3fkPDjAWZE7YIc6yjaI/bvKrOEGOLnvFOolePciBdRXEhFkeX+a4rf2V8LQ24 ASrGu9QSNlIbshOV8VyBqP04jK0Pm23TNGVHvX3jw2bIFWfbbynmxLhqIPBKJvJYn5jeTr0NJd/fJ FcXmdLCQg3rcquFvDdfQ+TZfRZEf5PeJN+Qpvz3aTjMUEDbZyWXSccEEf+6LaxquvbvSltTCUEM4G +1WPY34w==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGuwL-00000007gBF-0Jyi; Tue, 11 Jun 2024 06:25:05 +0000 Date: Mon, 10 Jun 2024 23:25:05 -0700 From: Christoph Hellwig To: Christian =?iso-8859-1?Q?K=F6nig?= Cc: Jason Gunthorpe , Pavel Begunkov , David Wei , David Ahern , Mina Almasry , Christoph Hellwig , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-alpha@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, sparclinux@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-arch@vger.kernel.org, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-media@vger.kernel.org, dri-devel@lists.freedesktop.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Donald Hunter , Jonathan Corbet , Richard Henderson , Ivan Kokshaysky , Matt Turner , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Andreas Larsson , Jesper Dangaard Brouer , Ilias Apalodimas , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Arnd Bergmann , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Steffen Klassert , Herbert Xu , Willem de Bruijn , Shuah Khan , Sumit Semwal , Yunsheng Lin , Shailend Chand , Harshitha Ramamurthy , Shakeel Butt , Jeroen de Borst , Praveen Kaligineedi Subject: Re: [PATCH net-next v10 02/14] net: page_pool: create hooks for custom page providers Message-ID: References: <5aee4bba-ca65-443c-bd78-e5599b814a13@gmail.com> <20240607145247.GG791043@ziepe.ca> <45803740-442c-4298-b47e-2d87ae5a6012@davidwei.uk> <54975459-7a5a-46ff-a9ae-dc16ceffbab4@gmail.com> <20240610121625.GI791043@ziepe.ca> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Mon, Jun 10, 2024 at 02:38:18PM +0200, Christian König wrote: > Well there is the fundamental problem that you can't use io_uring to > implement the semantics necessary for a dma_fence. What is the exact problem there?