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[23.128.96.18]) by mx.google.com with ESMTP id y19si1884593eje.56.2020.07.23.03.49.25; Thu, 23 Jul 2020 03:49:48 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=ibm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728489AbgGWKtF (ORCPT + 99 others); Thu, 23 Jul 2020 06:49:05 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:37582 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727996AbgGWKtE (ORCPT ); Thu, 23 Jul 2020 06:49:04 -0400 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06NAYWW1043310; Thu, 23 Jul 2020 06:48:49 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0a-001b2d01.pphosted.com with ESMTP id 32ecpbg4wx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Jul 2020 06:48:48 -0400 Received: from m0098393.ppops.net (m0098393.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.36/8.16.0.36) with SMTP id 06NAel08062237; Thu, 23 Jul 2020 06:48:48 -0400 Received: from ppma03ams.nl.ibm.com (62.31.33a9.ip4.static.sl-reverse.com [169.51.49.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 32ecpbg4w8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Jul 2020 06:48:48 -0400 Received: from pps.filterd (ppma03ams.nl.ibm.com [127.0.0.1]) by ppma03ams.nl.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 06NAjRBI001639; Thu, 23 Jul 2020 10:48:45 GMT Received: from b06cxnps4075.portsmouth.uk.ibm.com (d06relay12.portsmouth.uk.ibm.com [9.149.109.197]) by ppma03ams.nl.ibm.com with ESMTP id 32brq7p2u6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 23 Jul 2020 10:48:45 +0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps4075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 06NAmfY161407296 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 23 Jul 2020 10:48:41 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5C7E64C050; Thu, 23 Jul 2020 10:48:41 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 302964C044; Thu, 23 Jul 2020 10:48:38 +0000 (GMT) Received: from [9.199.40.160] (unknown [9.199.40.160]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 23 Jul 2020 10:48:37 +0000 (GMT) Subject: Re: [PATCH 0/7] powerpc/watchpoint: 2nd DAWR kvm enablement + selftests To: mpe@ellerman.id.au, paulus@samba.org Cc: mikey@neuling.org, npiggin@gmail.com, pbonzini@redhat.com, christophe.leroy@c-s.fr, jniethe5@gmail.com, pedromfc@br.ibm.com, rogealve@br.ibm.com, kvm@vger.kernel.org, kvm-ppc@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kselftest@vger.kernel.org, Ravi Bangoria References: <20200723102058.312282-1-ravi.bangoria@linux.ibm.com> From: Ravi Bangoria Message-ID: Date: Thu, 23 Jul 2020 16:18:37 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200723102058.312282-1-ravi.bangoria@linux.ibm.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235,18.0.687 definitions=2020-07-23_03:2020-07-23,2020-07-23 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 spamscore=0 impostorscore=0 clxscore=1015 suspectscore=0 phishscore=0 malwarescore=0 priorityscore=1501 adultscore=0 mlxlogscore=942 mlxscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007230076 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/23/20 3:50 PM, Ravi Bangoria wrote: > Patch #1, #2 and #3 enables p10 2nd DAWR feature for Book3S kvm guest. DAWR > is a hypervisor resource and thus H_SET_MODE hcall is used to set/unset it. > A new case H_SET_MODE_RESOURCE_SET_DAWR1 is introduced in H_SET_MODE hcall > for setting/unsetting 2nd DAWR. Also, new capability KVM_CAP_PPC_DAWR1 has > been added to query 2nd DAWR support via kvm ioctl. > > This feature also needs to be enabled in Qemu to really use it. I'll reply > link to qemu patches once I post them in qemu-devel mailing list. Qemu patches: https://lore.kernel.org/kvm/20200723104220.314671-1-ravi.bangoria@linux.ibm.com