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Fri, 12 Aug 2022 12:56:41 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D7772AE055; Fri, 12 Aug 2022 12:56:23 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B881FAE053; Fri, 12 Aug 2022 12:56:23 +0000 (GMT) Received: from li-ca45c2cc-336f-11b2-a85c-c6e71de567f1.ibm.com (unknown [9.171.40.207]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 12 Aug 2022 12:56:23 +0000 (GMT) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable In-Reply-To: <20220810125625.45295-6-imbrenda@linux.ibm.com> References: <20220810125625.45295-1-imbrenda@linux.ibm.com> <20220810125625.45295-6-imbrenda@linux.ibm.com> To: Claudio Imbrenda , kvm@vger.kernel.org From: Nico Boehr Subject: Re: [PATCH v13 5/6] KVM: s390: pv: support for Destroy fast UVC Cc: borntraeger@de.ibm.com, frankja@linux.ibm.com, thuth@redhat.com, pasic@linux.ibm.com, david@redhat.com, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, scgl@linux.ibm.com, seiden@linux.ibm.com Message-ID: <166030898350.24812.8013075066735672338@localhost.localdomain> User-Agent: alot/0.8.1 Date: Fri, 12 Aug 2022 14:56:23 +0200 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: agHQOIR3QB2wW_PElCWEv8uwOflwiri4 X-Proofpoint-GUID: LJp77FCU931-bo-5pL8ZFcBvbFZJU9Fk 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=2022-08-12_08,2022-08-11_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 spamscore=0 priorityscore=1501 malwarescore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 clxscore=1015 mlxlogscore=916 bulkscore=0 suspectscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208120034 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE 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 Quoting Claudio Imbrenda (2022-08-10 14:56:24) > Add support for the Destroy Secure Configuration Fast Ultravisor call, > and take advantage of it for asynchronous destroy. >=20 > When supported, the protected guest is destroyed immediately using the > new UVC, leaving only the memory to be cleaned up asynchronously. >=20 > Signed-off-by: Claudio Imbrenda Reviewed-by: Nico Boehr