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Tue, 20 Feb 2024 21:12:15 GMT Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9BE2420043; Tue, 20 Feb 2024 21:12:13 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 88BA320040; Tue, 20 Feb 2024 21:12:13 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTPS; Tue, 20 Feb 2024 21:12:13 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 4958) id 3879BE0172; Tue, 20 Feb 2024 22:12:13 +0100 (CET) From: Eric Farman To: Christian Borntraeger , Janosch Frank , Claudio Imbrenda , David Hildenbrand Cc: Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Sven Schnelle , Paolo Bonzini , Shuah Khan , kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-kselftest@vger.kernel.org, Eric Farman Subject: [PATCH v4 0/2] KVM: s390: Fix AR parameter in ioctl Date: Tue, 20 Feb 2024 22:12:09 +0100 Message-Id: <20240220211211.3102609-1-farman@linux.ibm.com> X-Mailer: git-send-email 2.40.1 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: 3YNrl-RDEMkXYgu0XoayVkjVacCpBjO9 X-Proofpoint-GUID: 4USiI4tudUtV9ab_p4FoITrfIGkq6cF0 Content-Transfer-Encoding: 8bit X-Proofpoint-UnRewURL: 0 URL was un-rewritten Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-20_06,2024-02-20_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 bulkscore=0 mlxlogscore=839 spamscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2402200151 Hi Janosch, Here is a new (final?) version for the AR/MEM_OP issue I'm attempting to address. Hopefully they can be picked up to whatever tree makes sense. Changes: v4: [HC,CB,NSG] Add tags (thank you!) [NSG] Add commentary v3: https://lore.kernel.org/r/20240216213616.3819805-1-farman@linux.ibm.com/ [HC] Drop the AR swap in MEM_OP path [HC] Remove WARN and don't do save_access_regs on !bool v2: https://lore.kernel.org/r/20240215205344.2562020-1-farman@linux.ibm.com/ [HC] Add a flag to indicate access registers have been loaded v1: https://lore.kernel.org/r/20240209204539.4150550-1-farman@linux.ibm.com/ [CB] Store access registers around memop ioctl [JF] Add a kernel selftest RFC: https://lore.kernel.org/r/20240131205832.2179029-1-farman@linux.ibm.com/ Eric Farman (2): KVM: s390: fix access register usage in ioctls KVM: s390: selftests: memop: add a simple AR test arch/s390/include/asm/kvm_host.h | 2 ++ arch/s390/kvm/gaccess.c | 3 ++- arch/s390/kvm/kvm-s390.c | 3 +++ tools/testing/selftests/kvm/s390x/memop.c | 31 +++++++++++++++++++++++ 4 files changed, 38 insertions(+), 1 deletion(-) -- 2.40.1