From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 CE02E1534EC; Mon, 29 Jul 2024 14:56:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722264969; cv=none; b=F+ZCiGCecvNWOUVgAsyJ9KBv8pxJutk4eOBjFZEGJmOiOHAxG6uBbZjKWfr8RE//Sfxu1YSfuZW5tfAUTU7gw2rlZLfSy8bZLMo/G4+kUP8QgfZwt9hUdFSf81RDHuv0rN+tfV/+Rb29qKMXzhVmpauY7s9LnmL1avtIfnEDBYU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722264969; c=relaxed/simple; bh=EJcJUuQRZXR3rf8lFMt6F/i5OksdABevOMJW7PKpBZA=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=P44r+ogVT+uOdbUu3tjzhs+2OS/B9d9SPX8w/mJwHqLU5WNUwmnwDqDiL2QRz7/ewJ3nD91yefVbe9WivSeopilQrHmZI0Qg+Jp97RQNFZjrit7dxTq7/sWcC9f2S5fuk+TesEMVCGWainLyctLg573RbssdkU704imsJkenWms= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jbkXG6U6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jbkXG6U6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 14B09C32786; Mon, 29 Jul 2024 14:56:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722264969; bh=EJcJUuQRZXR3rf8lFMt6F/i5OksdABevOMJW7PKpBZA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=jbkXG6U6nH4UA+G7ZfU70c0ljD+B1u2nDArdVs8uhB+F5Yd4orXP5uiYEYbcvOE2H eoMmmchEb7HmRJ/Ptgmtvfpg5JWq7gg4f9hYaVjM6poY4H4X6KV8aITwOC4Wm3tpVu OFzR3zGhD1gEkm90iW6saiWmnWAlq5rCGC2GS1x5d/DJTwKF4AUKnRQSkc0aKXS7oQ EIgVa9PRYC2XkxsexIvKtjYikNAA3rREFzcRBKXdFT8t9Hmkf0Av5TRyQ3shSwNI4z EqBfW9Kmvta8lbXM3Plm6VoFZiiMQyZkMufUERafs1FHwHLXjcWhyvjHQoEK2bZXgp RoARF17Dljgsg== Date: Mon, 29 Jul 2024 07:56:07 -0700 From: Jakub Kicinski To: James Bottomley Cc: Greg KH , Laurent Pinchart , Dan Williams , ksummit@lists.linux.dev, linux-cxl@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, jgg@nvidia.com Subject: Re: [MAINTAINERS SUMMIT] Device Passthrough Considered Harmful? Message-ID: <20240729075607.71ca5150@kernel.org> In-Reply-To: <2b4f6ef3fc8e9babf3398ed4a301c2e4964b9e4a.camel@HansenPartnership.com> References: <668c67a324609_ed99294c0@dwillia2-xfh.jf.intel.com.notmuch> <20240726142731.GG28621@pendragon.ideasonboard.com> <66a43c48cb6cc_200582942d@dwillia2-mobl3.amr.corp.intel.com.notmuch> <20240728111826.GA30973@pendragon.ideasonboard.com> <2024072802-amendable-unwatched-e656@gregkh> <2b4f6ef3fc8e9babf3398ed4a301c2e4964b9e4a.camel@HansenPartnership.com> Precedence: bulk X-Mailing-List: ksummit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Sun, 28 Jul 2024 11:49:44 -0400 James Bottomley wrote: > cross subsystem NAKs Could y'all please stop saying "cross subsystem NAKs".. It makes it sound like networking is nacking an addition to RDMA or storage. The problem is that nVidia insists on making their proprietary gateway a "misc driver" usable in all subsystems. If they want to add something at the top level, all affected subsystems should have a say.