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Tue, 19 Jul 2022 12:09:16 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3E97CAE04D; Tue, 19 Jul 2022 12:09:16 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 8E116AE053; Tue, 19 Jul 2022 12:09:15 +0000 (GMT) Received: from [9.145.157.161] (unknown [9.145.157.161]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 19 Jul 2022 12:09:15 +0000 (GMT) Message-ID: <4a0ccd3e-d4df-36a3-0dff-3d366f2b7751@linux.ibm.com> Date: Tue, 19 Jul 2022 14:09:15 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [PATCH v13 0/2] s390x: KVM: CPU Topology Content-Language: en-US To: Pierre Morel , kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, borntraeger@de.ibm.com, cohuck@redhat.com, david@redhat.com, thuth@redhat.com, imbrenda@linux.ibm.com, hca@linux.ibm.com, gor@linux.ibm.com, wintera@linux.ibm.com, seiden@linux.ibm.com, nrb@linux.ibm.com, scgl@linux.ibm.com References: <20220714101824.101601-1-pmorel@linux.ibm.com> From: Janosch Frank In-Reply-To: <20220714101824.101601-1-pmorel@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: yFfZKNlvmNYZZD8XLsJAXtrTQZjYVB-F X-Proofpoint-ORIG-GUID: eO-WuxWt-VBh2zkFDpm6oo-YMslOKehs X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-18_22,2022-07-19_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 malwarescore=0 bulkscore=0 impostorscore=0 mlxlogscore=714 spamscore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 priorityscore=1501 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207190051 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/14/22 12:18, Pierre Morel wrote: > Hi all, > > The series provides: > 1- interception of the STSI instruction forwarding the CPU topology > 2- interpretation of the PTF instruction > 3- a KVM capability for the userland hypervisor to ask KVM to > setup PTF interpretation. > 4- KVM ioctl to get and set the MTCR bit of the SCA in order to > migrate this bit during a migration. > Thanks, picked