From patchwork Thu Sep 5 12:27:34 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jason Wang X-Patchwork-Id: 11133001 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5B0371395 for ; Thu, 5 Sep 2019 12:27:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 463492080C for ; Thu, 5 Sep 2019 12:27:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387806AbfIEM1o (ORCPT ); Thu, 5 Sep 2019 08:27:44 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52294 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726453AbfIEM1o (ORCPT ); Thu, 5 Sep 2019 08:27:44 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 93EF53001836; Thu, 5 Sep 2019 12:27:44 +0000 (UTC) Received: from jason-ThinkPad-X1-Carbon-6th.redhat.com (ovpn-12-44.pek2.redhat.com [10.72.12.44]) by smtp.corp.redhat.com (Postfix) with ESMTP id DA1775D9E2; Thu, 5 Sep 2019 12:27:37 +0000 (UTC) From: Jason Wang To: mst@redhat.com, jasowang@redhat.com, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, jgg@mellanox.com, aarcange@redhat.com, jglisse@redhat.com, linux-mm@kvack.org Subject: [PATCH 0/2] Revert and rework on the metadata accelreation Date: Thu, 5 Sep 2019 20:27:34 +0800 Message-Id: <20190905122736.19768-1-jasowang@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.40]); Thu, 05 Sep 2019 12:27:44 +0000 (UTC) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Hi: Per request from Michael and Jason, the metadata accelreation is reverted in this version and rework in next version. Please review. Thanks Jason Wang (2): Revert "vhost: access vq metadata through kernel virtual address" vhost: re-introducing metadata acceleration through kernel virtual address drivers/vhost/vhost.c | 202 +++++++++++++++++++++++++----------------- drivers/vhost/vhost.h | 8 +- 2 files changed, 123 insertions(+), 87 deletions(-)