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Wed, 1 Apr 2026 15:12:24 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 4958) id 87EFBE0670; Wed, 01 Apr 2026 17:12:24 +0200 (CEST) From: Eric Farman To: Christian Borntraeger , Hendrik Brueckner , Janosch Frank , Claudio Imbrenda , David Hildenbrand Cc: Paolo Bonzini , Jonathan Corbet , Shuah Khan , kvm@vger.kernel.org, linux-s390@vger.kernel.org, Eric Farman Subject: [PATCH v2 0/4] KVM: s390: Permit ESA mode guests in VSIE Date: Wed, 1 Apr 2026 17:12:17 +0200 Message-ID: <20260401151221.2272408-1-farman@linux.ibm.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: gm5JzPB0qncwVKv-a0LMXarNIXaOHVkx X-Authority-Analysis: v=2.4 cv=KslAGGWN c=1 sm=1 tr=0 ts=69cd35de cx=c_pps a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VwQbUJbxAAAA:8 a=VnNF1IyMAAAA:8 a=iRV8YTZLPvMDbpBK1P4A:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAxMDEzOCBTYWx0ZWRfX5zBazpIgGFbb SeHjxgycZ9GMZoGXoxlM02fw1VacTjjhOOsNK041ZbREckqutvKTS+Foug7CGOMATC5KSi8onuJ 4Bo9x0SICVaFV7/uXHiMDgRmBWd3BQzhAO/VMDweisGg0awuBoblM1awUaBwlGzb0i1Twk1PR8T TGPLtzEhGDhaCV4ewXMrGLqLj4t4lCIv/3qPgGB6t8b0dYN3YWPap6Wu2EWb+YRDPYBwwNIZJDT ojm62x58XujDBJJSPi18L42Qksji0/HU4ApcE8PKNFjAU+I2FR20LeBrnnVGvM/yqi6Ot5pfnb9 2IZn3O3pA+gPes/hmTFhp12ixQ6qS3fcoiL97mK48AD0lxkJB0qcIF88dujMuiY88n0fo11kZOy jVVwq9zxvPfJUtqiqx1owbuXAWJeuQccdi0MD/C3A+kR8aRx0a28s2E5Rh/p2iYU5zgoIb7+oHq MKcjqaUwh8U56JtYjjw== X-Proofpoint-ORIG-GUID: gm5JzPB0qncwVKv-a0LMXarNIXaOHVkx X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_04,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 phishscore=0 adultscore=0 bulkscore=0 impostorscore=0 clxscore=1015 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604010138 Hi Hendrik, Janosch, et al, As promised here's a quick update to the ESA/VSIE series, addressing the small comments raised in v1. v1->v2: - [CB] Remove ECB_TE in this scenario - [JF] Simplify initialization of newflags - [JF] Include "_MASK_" in names of prefix mask definitions v1: https://lore.kernel.org/linux-s390/20260401020915.1339228-1-farman@li= nux.ibm.com/ Eric Farman (3): KVM: s390: vsie: Allow non-zarch guests KVM: s390: vsie: Disable some bits when in ESA mode KVM: s390: vsie: Accommodate ESA prefix pages Hendrik Brueckner (1): KVM: s390: Add KVM capability for ESA mode guests Documentation/virt/kvm/api.rst | 8 +++++++ arch/s390/include/asm/kvm_host.h | 1 + arch/s390/include/asm/kvm_host_types.h | 3 +-- arch/s390/kvm/kvm-s390.c | 6 ++++++ arch/s390/kvm/kvm-s390.h | 5 ++++- arch/s390/kvm/vsie.c | 29 ++++++++++++++++++++++---- include/uapi/linux/kvm.h | 1 + 7 files changed, 46 insertions(+), 7 deletions(-) --=20 2.51.0