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Tue, 20 Dec 2022 09:19:23 +0000 (GMT) From: Nico Boehr To: kvm@vger.kernel.org Cc: frankja@linux.ibm.com, imbrenda@linux.ibm.com, thuth@redhat.com Subject: [kvm-unit-tests PATCH v5 0/1] s390x: test CMM during migration Date: Tue, 20 Dec 2022 10:19:22 +0100 Message-Id: <20221220091923.69174-1-nrb@linux.ibm.com> X-Mailer: git-send-email 2.36.1 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: JS4To9_raBRrido39jdZzYoeABJPonFQ X-Proofpoint-GUID: LMki9gUlLXfMVfEXFoPL9NqOlPId-3UG X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-20_02,2022-12-15_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 adultscore=0 clxscore=1015 phishscore=0 malwarescore=0 priorityscore=1501 mlxscore=0 suspectscore=0 spamscore=0 bulkscore=0 mlxlogscore=981 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212200069 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org v4->v5: --- * merge migration-during-cmm and migration-cmm into one file and remove the cmm library v3->v4: --- * rebase on top of Claudio's series [kvm-unit-tests PATCH v3 0/2] lib: s390x: add PSW and PSW_WITH_CUR_MASK macros https://lore.kernel.org/kvm/20221130154038.70492-1-imbrenda@linux.ibm.com/ * switch cmm.h to system includes * move const qualifier before struct keyword v2->v3: --- * make allowed_essa_state_masks static (thanks Thomas) * change several variables to unsigned (thanks Claudio) * remove unneeded assignment (thanks Claudio) * fix line length (thanks Claudio) * fix some spellings, line wraps (thanks Thomas) * remove unneeded goto (thanks Thomas) * add migrate_once (thanks Claudio) I introduce migrate_once() only in migration-during-cmm.c for now, but I plan to send a future patch to move it to the library. * add missing READ_ONCE (thanks Claudio) v1->v2: --- * cmm lib: return struct instead of passing in a pointer (thanks Claudio) * cmm lib: remove get_page_addr() (thanks Claudio) * cmm lib: print address of mismatch (thanks Claudio) * cmm lib: misc comments reworked, added and variables renamed * make sure page states change on every iteration (thanks Claudio) * add WRITE_ONCE even when not strictly needed (thanks Claudio) Add a test which changes CMM page states while VM is being migrated. Nico Boehr (1): s390x: add CMM test during migration s390x/migration-cmm.c | 258 +++++++++++++++++++++++++++++++++++++----- s390x/unittests.cfg | 15 ++- 2 files changed, 240 insertions(+), 33 deletions(-)