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Wed, 7 Jun 2023 12:24:44 +0000 (GMT) Message-ID: <11b9ff22-1d18-5659-47d5-c30a3bfdf909@linux.ibm.com> Date: Wed, 7 Jun 2023 14:24:44 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH v4 4/6] s390/uvdevice: Add 'Lock Secret Store' UVC Content-Language: en-US To: Steffen Eiden , kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, Viktor Mihajlovski Cc: Claudio Imbrenda , Nico Boehr , Christian Borntraeger , Heiko Carstens , Hendrik Brueckner References: <20230606180817.3019077-1-seiden@linux.ibm.com> <20230606180817.3019077-5-seiden@linux.ibm.com> From: Janosch Frank In-Reply-To: <20230606180817.3019077-5-seiden@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: eCVr0Kl0I_Nl7ObDxKx81d1kbZYG8MfZ X-Proofpoint-GUID: eCVr0Kl0I_Nl7ObDxKx81d1kbZYG8MfZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-06-07_06,2023-06-07_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxlogscore=750 impostorscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 adultscore=0 phishscore=0 mlxscore=0 spamscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2305260000 definitions=main-2306070100 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,NICE_REPLY_A,RCVD_IN_MSPIKE_H5, RCVD_IN_MSPIKE_WL,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 On 6/6/23 20:08, Steffen Eiden wrote: > Userspace can call the Lock Secret Store Ultravisor Call > using IOCTLs on the uvdevice. The Lock Secret Store UV call > disables all additions of secrets for the future. > > The uvdevice is merely transporting the request from userspace to the > Ultravisor. > > Signed-off-by: Steffen Eiden Reviewed-by: Janosch Frank