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=-17.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_SANE_1 autolearn=ham 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 51BEFC4361B for ; Mon, 14 Dec 2020 21:15:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 102F62247F for ; Mon, 14 Dec 2020 21:15:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2503617AbgLNVPa (ORCPT ); Mon, 14 Dec 2020 16:15:30 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:48140 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728461AbgLNVPa (ORCPT ); Mon, 14 Dec 2020 16:15:30 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0BELERYL175832; Mon, 14 Dec 2020 21:14:46 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : subject : message-id : mime-version : content-type; s=corp-2020-01-29; bh=GQjDIQKin3GVQbr2gdSBNgBsWJpDaR3hothv+5CQkvU=; b=Nz+xOD2PEHalMGOc6K/jzl8RKPmkiq6+enQBDah148/6JCmsE/eRcqbrfAxTTn6YX8go 7l0coQAWdTQi2tyzv7AW91+S/QFhG9R0GY3kLvlH5yXd5zaJ7oVDSlZ8mbSAdP53Jvf1 8ZHPQgUe7mdp9GlC6Nth2dUFNy7EJEloZObyM7ZvA1zybROSSuii+HZ37nDa4YH128GM VvZ3yPM0cWJkLr6Pz6IhHmj16yk7DIlP7CD8lpdrjecg+DI/YvhOrClgGx7QVS/iwpm4 RQwUfwNS0/to3hLZjTEaOR2xim2IYF/oRJ4c1gnBiqh+89ISJhtFjaUpzzT0dlxrNVyM dw== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2130.oracle.com with ESMTP id 35cn9r7hs0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 14 Dec 2020 21:14:46 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 0BEKt5qa135880; Mon, 14 Dec 2020 21:12:46 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by userp3020.oracle.com with ESMTP id 35e6jq0tuq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 14 Dec 2020 21:12:46 +0000 Received: from abhmp0018.oracle.com (abhmp0018.oracle.com [141.146.116.24]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 0BELCjh6017162; Mon, 14 Dec 2020 21:12:45 GMT Received: from char.us.oracle.com (/10.152.32.25) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 14 Dec 2020 13:12:43 -0800 Received: by char.us.oracle.com (Postfix, from userid 1000) id 736126A00F4; Mon, 14 Dec 2020 16:14:47 -0500 (EST) Date: Mon, 14 Dec 2020 16:14:47 -0500 From: Konrad Rzeszutek Wilk To: torvalds@linux-foundation.org, linux-kernel@vger.kernel.org Subject: [GIT PULL] (swiotlb) stable/for-linus-5.11 Message-ID: <20201214211447.GA18041@char.us.oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.1 (2017-09-22) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9834 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxscore=0 bulkscore=0 malwarescore=0 adultscore=0 mlxlogscore=999 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012140140 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9835 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 mlxlogscore=999 impostorscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 malwarescore=0 priorityscore=1501 phishscore=0 mlxscore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012140141 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Heya Linus, Please git pull the following branch: git pull git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb.git stable/for-linus-5.11 which has a generic (but for right now engaged only with AMD SEV) mechanism to adjust a larger size SWIOTLB based on the total memory of the SEV guests which right now require the bounce buffer for interacting with the outside world. Normal knobs (swiotlb=XYZ) still work. Thank you!! Ashish Kalra (1): x86,swiotlb: Adjust SWIOTLB bounce buffer size for SEV guests arch/x86/include/asm/mem_encrypt.h | 2 ++ arch/x86/kernel/setup.c | 6 ++++++ arch/x86/mm/mem_encrypt.c | 31 +++++++++++++++++++++++++++++++ include/linux/swiotlb.h | 8 ++++++++ kernel/dma/swiotlb.c | 20 ++++++++++++++++++-- 5 files changed, 65 insertions(+), 2 deletions(-)