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Tue, 8 Oct 2024 07:43:00 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E174B2004B; Tue, 8 Oct 2024 07:42:59 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 47F4220040; Tue, 8 Oct 2024 07:42:59 +0000 (GMT) Received: from darkmoore.ibmuc.com (unknown [9.171.23.149]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 8 Oct 2024 07:42:59 +0000 (GMT) From: Christoph Schlameuss To: kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, linux-kselftest@vger.kernel.org, Paolo Bonzini , Shuah Khan , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , David Hildenbrand , schlameuss@linux.ibm.com Subject: [PATCH v5 0/4] selftests: kvm: s390: Add ucontrol memory selftests Date: Tue, 8 Oct 2024 09:42:49 +0200 Message-ID: <20241008074253.370481-1-schlameuss@linux.ibm.com> X-Mailer: git-send-email 2.46.2 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 6_ZB5olabV3mkGPgqyZURHKHrz6qbNJG X-Proofpoint-GUID: hsgmLJomMCVH38_JrJwSGkEK85SGsG3w Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-08_05,2024-10-08_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 mlxlogscore=999 impostorscore=0 suspectscore=0 spamscore=0 malwarescore=0 phishscore=0 clxscore=1011 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410080047 This patch series adds a some not yet picked selftests to the kvm s390x selftest suite. The additional test cases are covering: * Assert KVM_EXIT_S390_UCONTROL exit on not mapped memory access * Assert functionality of storage keys in ucontrol VM * Assert that memory region operations are rejected for ucontrol VMs Running the test cases requires sys_admin capabilities to start the ucontrol VM. This can be achieved by running as root or with a command like: sudo setpriv --reuid nobody --inh-caps -all,+sys_admin \ --ambient-caps -all,+sys_admin --bounding-set -all,+sys_admin \ ./ucontrol_test --- The patches in this series have been part of the previous patch series. The test cases added here do depend on the fixture added in the earlier patches. >From v5 PATCH 7-9 the segment and page table generation has been removed and DAT has been disabled. Since DAT is not necessary to validate the KVM code. https://lore.kernel.org/kvm/20240807154512.316936-1-schlameuss@linux.ibm.com/ v5: - rebased to current upstream master - corrected assertion on 0x00 to 0 - reworded fixup commit so that it can be merged on top of current upstream v4: - fix whitespaces in pointer function arguments (thanks Claudio) - fix whitespaces in comments (thanks Janosch) v3: - fix skey assertion (thanks Claudio) - introduce a wrapper around UCAS map and unmap ioctls to improve readability (Claudio) - add an displacement to accessed memory to assert translation intercepts actually point to segments to the uc_map_unmap test - add an misaligned failing mapping try to the uc_map_unmap test v2: - Reenable KSS intercept and handle it within skey test. - Modify the checked register between storing (sske) and reading (iske) it within the test program to make sure the. - Add an additional state assertion in the end of uc_skey - Fix some typos and white spaces. v1: - Remove segment and page table generation and disable DAT. This is not necessary to validate the KVM code. Christoph Schlameuss (4): selftests: kvm: s390: Add uc_map_unmap VM test case selftests: kvm: s390: Add uc_skey VM test case selftests: kvm: s390: Verify reject memory region operations for ucontrol VMs selftests: kvm: s390: Fix whitespace confusion in ucontrol test .../selftests/kvm/s390x/ucontrol_test.c | 262 +++++++++++++++++- 1 file changed, 257 insertions(+), 5 deletions(-) base-commit: 87d6aab2389e5ce0197d8257d5f8ee965a67c4cd -- 2.46.2