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 smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 347E4E7849A for ; Mon, 2 Oct 2023 10:16:22 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id B8C6861346; Mon, 2 Oct 2023 10:16:21 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org B8C6861346 Authentication-Results: smtp3.osuosl.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=r0etBzUw X-Virus-Scanned: amavisd-new at osuosl.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 2sCTJaVIIx2X; Mon, 2 Oct 2023 10:16:20 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp3.osuosl.org (Postfix) with ESMTPS id 15DB861069; Mon, 2 Oct 2023 10:16:20 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp3.osuosl.org 15DB861069 Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id EA531C0039; Mon, 2 Oct 2023 10:16:19 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id CABC2C0032 for ; Mon, 2 Oct 2023 10:16:18 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id A6CAA40359 for ; Mon, 2 Oct 2023 10:16:18 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org A6CAA40359 Authentication-Results: smtp2.osuosl.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=r0etBzUw X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 6ofKiPiRrflr for ; Mon, 2 Oct 2023 10:16:17 +0000 (UTC) Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by smtp2.osuosl.org (Postfix) with ESMTPS id 5114940412 for ; Mon, 2 Oct 2023 10:16:17 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp2.osuosl.org 5114940412 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 37B8260DE9; Mon, 2 Oct 2023 10:16:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7DE6EC433C8; Mon, 2 Oct 2023 10:16:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696241775; bh=VLliXuAF8QPVy04D/rtFQGZqAS64x++mfdCoI8VRoW8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=r0etBzUwLk2CCjZoBGPM1zTIaXAL+w7ERcTqoBJI+KZWZQ4s8EOCD4jzlE4PHGzRI ZNUoqFn+6/vf7dL+COR1dtbqPuFSfY/AkuueyJzRK0oYHgMqc/9OpOjBFzrIfJ9q0u oDz0d9S8YDSccLiG81AHjqkmCIox4eSUc0LQElaMFHgToCvnIApVl4kUTEaJ4+rsRK 6u/AMv0PgdQJx2hL6xqxI/Ao5ccRccvEZN4uVc8OrjrrBAgl+dqIxxgi8VlTQbLmJR SyzQUDgk6M18uTZH9DMAjGXOVBI9qgLq3RlzYbpwsFX2QiIkpcDC0KO/nbyJxG/TKR C7XshL7DUPdNw== Date: Mon, 2 Oct 2023 13:16:12 +0300 From: Leon Romanovsky To: Dragos Tatulea Subject: Re: [PATCH vhost v2 00/16] vdpa: Add support for vq descriptor mappings Message-ID: <20231002101612.GB7059@unreal> References: <20230928164550.980832-2-dtatulea@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20230928164550.980832-2-dtatulea@nvidia.com> Cc: Xuan Zhuo , kvm@vger.kernel.org, "Michael S . Tsirkin" , linux-rdma@vger.kernel.org, netdev@vger.kernel.org, gal@nvidia.com, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, eperezma@redhat.com, Saeed Mahameed 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 Thu, Sep 28, 2023 at 07:45:11PM +0300, Dragos Tatulea wrote: > This patch series adds support for vq descriptor table mappings which > are used to improve vdpa live migration downtime. The improvement comes > from using smaller mappings which take less time to create and destroy > in hw. > > The first part adds the vdpa core changes from Si-Wei [0]. > > The second part adds support in mlx5_vdpa: > - Refactor the mr code to be able to cleanly add descriptor mappings. > - Add hardware descriptor mr support. > - Properly update iotlb for cvq during ASID switch. > > Changes in v2: > > - The "vdpa/mlx5: Enable hw support for vq descriptor mapping" change > was split off into two patches to avoid merge conflicts into the tree > of Linus. > > The first patch contains only changes for mlx5_ifc.h. This must be > applied into the mlx5-next tree [1] first. Once this patch is applied > on mlx5-next, the change has to be pulled fom mlx5-next into the vhost > tree and only then the remaining patches can be applied. > > [0] https://lore.kernel.org/virtualization/1694248959-13369-1-git-send-email-si-wei.liu@oracle.com > [1] https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git/log/?h=mlx5-next > > Dragos Tatulea (13): > vdpa/mlx5: Expose descriptor group mkey hw capability I prepared shared branch with this patch. https://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux.git/log/?h=mlx5-vhost Thanks _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization