From patchwork Sat May 26 18:19:12 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Liran Alon X-Patchwork-Id: 10429179 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id DCB8A601C7 for ; Sat, 26 May 2018 18:19:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BD25E2903B for ; Sat, 26 May 2018 18:19:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B07E22905D; Sat, 26 May 2018 18:19:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 300AE2903B for ; Sat, 26 May 2018 18:19:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1032271AbeEZSTm (ORCPT ); Sat, 26 May 2018 14:19:42 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:59716 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1032230AbeEZSTk (ORCPT ); Sat, 26 May 2018 14:19:40 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w4QIGQCX154987; Sat, 26 May 2018 18:19:28 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id; s=corp-2017-10-26; bh=3BUy5b5g3tCCqBH9U9CLjEX9LZNRtBGQ/iMSZfhuM2Q=; b=KJstOz0RBA0OYwXa0oh+RTbHySomA9UNGWWGfsV/vis27BVFGbKb0U2SBCMESze9ZDGA /OOtNCp/xZpncb4P+QDvBCC+aMFprQuV12Bj0Oz0kyvBlYhq1tJ3xltxHZdxmVJTEnFd ppBOigXgmuhaoBhhuFF0+fQRLN2ffh5qgbXZBmgB+RopJVJCH5ewI75wBH706n/eL2e5 teT8b/JfkkbVuKd3zIvY2ECKXpO+/2jNpnWQQUoamvHR8bpHIn48XyPK8xejAIQq0IB8 hJA3rVlCqvfLkAK3LQhRy0WxFp67zPUzqe6keRwPQAJXdvZQMh7lM3SVerTH/xSVFD3u Xg== Received: from userv0021.oracle.com (userv0021.oracle.com [156.151.31.71]) by userp2130.oracle.com with ESMTP id 2j6y181dy6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 26 May 2018 18:19:28 +0000 Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userv0021.oracle.com (8.14.4/8.14.4) with ESMTP id w4QIJR9v029995 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 26 May 2018 18:19:27 GMT Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w4QIJRJr007986; Sat, 26 May 2018 18:19:27 GMT Received: from liran-pc.Home (/79.180.225.188) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sat, 26 May 2018 11:19:26 -0700 From: Liran Alon To: pbonzini@redhat.com, rkrcmar@redhat.com, kvm@vger.kernel.org Cc: Liran Alon Subject: [PATCH] KVM: docs: mmu: KVM support exposing SLAT to guests Date: Sat, 26 May 2018 21:19:12 +0300 Message-Id: <1527358752-3943-1-git-send-email-liran.alon@oracle.com> X-Mailer: git-send-email 1.9.1 X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8905 signatures=668702 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=717 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1805260216 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Fix outdated statement that KVM is not able to expose SLAT (Second-Layer-Address-Translation) to guests. This was implemented a long time ago... Signed-off-by: Liran Alon --- Documentation/virtual/kvm/mmu.txt | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Documentation/virtual/kvm/mmu.txt b/Documentation/virtual/kvm/mmu.txt index 4a81bcc96bd6..e507a9e0421e 100644 --- a/Documentation/virtual/kvm/mmu.txt +++ b/Documentation/virtual/kvm/mmu.txt @@ -49,8 +49,8 @@ The mmu supports first-generation mmu hardware, which allows an atomic switch of the current paging mode and cr3 during guest entry, as well as two-dimensional paging (AMD's NPT and Intel's EPT). The emulated hardware it exposes is the traditional 2/3/4 level x86 mmu, with support for global -pages, pae, pse, pse36, cr0.wp, and 1GB pages. Work is in progress to support -exposing NPT capable hardware on NPT capable hosts. +pages, pae, pse, pse36, cr0.wp, and 1GB pages. Emulated hardware also +able to expose NPT capable hardware on NPT capable hosts. Translation ===========