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=-3.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 A3A9DC433EF for ; Wed, 22 Sep 2021 13:06:21 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5630B6120F for ; Wed, 22 Sep 2021 13:06:21 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5630B6120F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 248958423E; Wed, 22 Sep 2021 13:06:21 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id sUHU4nYJaoO4; Wed, 22 Sep 2021 13:06:17 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id B002B84231; Wed, 22 Sep 2021 13:06:16 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 82FD6C000F; Wed, 22 Sep 2021 13:06:16 +0000 (UTC) Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) by lists.linuxfoundation.org (Postfix) with ESMTP id E6A69C000D for ; Wed, 22 Sep 2021 13:06:14 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id D6914613D0 for ; Wed, 22 Sep 2021 13:06:14 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Authentication-Results: smtp3.osuosl.org (amavisd-new); dkim=pass (2048-bit key) header.d=kernel.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id NXgLM_i9gTiX for ; Wed, 22 Sep 2021 13:06:13 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp3.osuosl.org (Postfix) with ESMTPS id C2857613D8 for ; Wed, 22 Sep 2021 13:06:13 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 9F7D1611CA; Wed, 22 Sep 2021 13:06:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632315973; bh=oNdKNGeEDSMsQZb0QR79jAvNFQsEnJOIQSDq8mmnnzs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZmZut9FaGDBMBk0SNp1LqarjL1dNIa9LJeP0D32JOFaldMmVLyxNsVJ5ye+/213Vb Y046E+hu85twyYidfc5wmzc5AmSKuc+XzHEgENvVUzw8bRu5CSGd5JJ2siUC9sjmmK cX83OJtY+o4t2AZ9D3hXac09JxL7f/a4uYR9TLVg0j7ZYKpSPvFrQlq30WzyPHa6OT 5AIha5qJjIg+YSHBe58gEGciD3IPjh9f1quU8Ay3WYTdk+GbuatGI+3QG6cPJuNp/0 fru4jCWvG50H6w/4YLaxXYgzhZL82FCR5vR0sbMrjZzxgDsHUFugPDQDkbA25HUO1j O7AhSCzM57NFg== Date: Wed, 22 Sep 2021 16:06:09 +0300 From: Leon Romanovsky To: Junji Wei Subject: Re: [RFC 0/5] VirtIO RDMA Message-ID: References: <20210902130625.25277-1-weijunji@bytedance.com> <20210915134301.GA211485@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: qemu-devel , Jason Gunthorpe , mst , RDMA mailing list , Cornelia Huck , yuval.shaia.ml@gmail.com, virtualization , Yongji Xie , Doug Ledford , =?utf-8?B?5p+056iz?= X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" On Wed, Sep 22, 2021 at 08:08:44PM +0800, Junji Wei wrote: > > On Sep 15, 2021, at 9:43 PM, Jason Gunthorpe wrote: <...> > >> 4. The FRMR api need to set key of MR through IB_WR_REG_MR. > >> But it is impossible to change a key of mr using uverbs. > > > > FRMR is more like memory windows in user space, you can't support it > > using just regular MRs. > > It is hard to support this using uverbs, but it is easy to support > with uRDMA that we can get full control of mrs. What is uRDMA? Thanks _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization