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=-10.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 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 23D26C63777 for ; Sun, 29 Nov 2020 00:47:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AB6C720731 for ; Sun, 29 Nov 2020 00:47:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ibm.com header.i=@ibm.com header.b="skVlZ8Xt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728013AbgK2Arc (ORCPT ); Sat, 28 Nov 2020 19:47:32 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:47334 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725616AbgK2Arc (ORCPT ); Sat, 28 Nov 2020 19:47:32 -0500 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 0AT0VkVw140026; Sat, 28 Nov 2020 19:46:49 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : to : cc : subject : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=pp1; bh=AEu2YDydB/SF+5DWd+uZHgYYz+P4E6JaKj4SF/AC3wY=; b=skVlZ8XtkXrvNgkj+OHqyrwev2g3q72g3qx7TRbwSc3i75f3RCs+SjWNsxiUqztkzho4 zkAtJa/kt6roUSUXxKQdO4jHdTnpPq2KUHMp9n0vLxP1o6o934JNq39ZmwhW+pHzvZV0 z2f6vCYNacmZTEGfVqiHemBzEGWjFIK/JC8irVTwjd8zgEbkIibA4Jm+4Wb5y3aQlS3B fvftEVaBorz6oj+/fCYb4lUIxsLf3ri9FF0ttIXETM5JiBsDhWCDMQT4npeiv+BFzV0/ iiPputhAj52/wXdbJxXNBsE17n9nYw1PxLIHQAaz52oqOoXiIyZ9/W5fsBUpifV/8gpr Ig== Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 353ybf1tw7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 28 Nov 2020 19:46:49 -0500 Received: from m0098419.ppops.net (m0098419.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 0AT0VpVV140112; Sat, 28 Nov 2020 19:46:49 -0500 Received: from ppma03fra.de.ibm.com (6b.4a.5195.ip4.static.sl-reverse.com [149.81.74.107]) by mx0b-001b2d01.pphosted.com with ESMTP id 353ybf1tw0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 28 Nov 2020 19:46:48 -0500 Received: from pps.filterd (ppma03fra.de.ibm.com [127.0.0.1]) by ppma03fra.de.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 0AT0WS33008777; Sun, 29 Nov 2020 00:46:47 GMT Received: from b06avi18878370.portsmouth.uk.ibm.com (b06avi18878370.portsmouth.uk.ibm.com [9.149.26.194]) by ppma03fra.de.ibm.com with ESMTP id 353e6813yy-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sun, 29 Nov 2020 00:46:47 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 0AT0iDol58524014 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 29 Nov 2020 00:44:14 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C80504C04E; Sun, 29 Nov 2020 00:44:13 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 185774C04A; Sun, 29 Nov 2020 00:44:13 +0000 (GMT) Received: from oc2783563651 (unknown [9.171.47.217]) by d06av22.portsmouth.uk.ibm.com (Postfix) with SMTP; Sun, 29 Nov 2020 00:44:13 +0000 (GMT) Date: Sun, 29 Nov 2020 01:44:11 +0100 From: Halil Pasic To: Tony Krowiak Cc: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, freude@linux.ibm.com, borntraeger@de.ibm.com, cohuck@redhat.com, mjrosato@linux.ibm.com, alex.williamson@redhat.com, kwankhede@nvidia.com, fiuczy@linux.ibm.com, frankja@linux.ibm.com, david@redhat.com, hca@linux.ibm.com, gor@linux.ibm.com Subject: Re: [PATCH v12 08/17] s390/vfio-ap: introduce shadow APCB Message-ID: <20201129014411.19b24ee8.pasic@linux.ibm.com> In-Reply-To: <20201124214016.3013-9-akrowiak@linux.ibm.com> References: <20201124214016.3013-1-akrowiak@linux.ibm.com> <20201124214016.3013-9-akrowiak@linux.ibm.com> Organization: IBM X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.31; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.312,18.0.737 definitions=2020-11-28_18:2020-11-26,2020-11-28 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 clxscore=1015 phishscore=0 mlxscore=0 adultscore=0 suspectscore=0 spamscore=0 mlxlogscore=999 malwarescore=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2011280156 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 24 Nov 2020 16:40:07 -0500 Tony Krowiak wrote: > The APCB is a field within the CRYCB that provides the AP configuration > to a KVM guest. Let's introduce a shadow copy of the KVM guest's APCB and > maintain it for the lifespan of the guest. > > Signed-off-by: Tony Krowiak > Reviewed-by: Halil Pasic Still LGTM