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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 D595DC28CC1 for ; Sat, 1 Jun 2019 17:12:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A907E275C4 for ; Sat, 1 Jun 2019 17:12:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726531AbfFARMI (ORCPT ); Sat, 1 Jun 2019 13:12:08 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:49916 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726013AbfFARMI (ORCPT ); Sat, 1 Jun 2019 13:12:08 -0400 Received: from pps.filterd (m0098399.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x51H7WU5088742 for ; Sat, 1 Jun 2019 13:12:07 -0400 Received: from e14.ny.us.ibm.com (e14.ny.us.ibm.com [129.33.205.204]) by mx0a-001b2d01.pphosted.com with ESMTP id 2sunh5u9br-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Sat, 01 Jun 2019 13:12:06 -0400 Received: from localhost by e14.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sat, 1 Jun 2019 18:12:05 +0100 Received: from b01cxnp23033.gho.pok.ibm.com (9.57.198.28) by e14.ny.us.ibm.com (146.89.104.201) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Sat, 1 Jun 2019 18:12:01 +0100 Received: from b01ledav004.gho.pok.ibm.com (b01ledav004.gho.pok.ibm.com [9.57.199.109]) by b01cxnp23033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x51HC0TI31130018 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sat, 1 Jun 2019 17:12:00 GMT Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1A936112062; Sat, 1 Jun 2019 17:12:00 +0000 (GMT) Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 713DD112061; Sat, 1 Jun 2019 17:11:57 +0000 (GMT) Received: from morokweng.localdomain (unknown [9.80.209.235]) by b01ledav004.gho.pok.ibm.com (Postfix) with ESMTPS; Sat, 1 Jun 2019 17:11:57 +0000 (GMT) References: <20190521044912.1375-1-bauerman@linux.ibm.com> User-agent: mu4e 1.0; emacs 26.2 From: Thiago Jung Bauermann To: linuxppc-dev@lists.ozlabs.org Cc: linux-kernel@vger.kernel.org, Alexey Kardashevskiy , Anshuman Khandual , Benjamin Herrenschmidt , Christoph Hellwig , Michael Ellerman , Mike Anderson , Paul Mackerras , Ram Pai , Claudio Carvalho Subject: Re: [PATCH 00/12] Secure Virtual Machine Enablement In-reply-to: <20190521044912.1375-1-bauerman@linux.ibm.com> Date: Sat, 01 Jun 2019 14:11:53 -0300 MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 x-cbid: 19060117-0052-0000-0000-000003CA0417 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011197; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000286; SDB=6.01211780; UDB=6.00636760; IPR=6.00992823; MB=3.00027145; MTD=3.00000008; XFM=3.00000015; UTC=2019-06-01 17:12:04 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19060117-0053-0000-0000-0000612056EE Message-Id: <87imtpgrhi.fsf@morokweng.localdomain> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-06-01_12:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=956 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906010124 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Thiago Jung Bauermann writes: > This series enables Secure Virtual Machines (SVMs) on powerpc. SVMs use the > Protected Execution Facility (PEF) and request to be migrated to secure > memory during prom_init() so by default all of their memory is inaccessible > to the hypervisor. There is an Ultravisor call that the VM can use to > request certain pages to be made accessible to (or shared with) the > hypervisor. > > The objective of these patches is to have the guest perform this request > for buffers that need to be accessed by the hypervisor such as the LPPACAs, > the SWIOTLB memory and the Debug Trace Log. Ping? Any more comments on these patches? Or even acks? :-) -- Thiago Jung Bauermann IBM Linux Technology Center