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Wed, 12 Aug 2026 16:29:00 +0000 (GMT) Received: from [9.111.47.51] (unknown [9.111.47.51]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 12 Aug 2026 16:29:00 +0000 (GMT) Message-ID: Date: Wed, 12 Aug 2026 18:28:57 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 00/33] KVM: s390: Introduce arm64 KVM To: Steffen Eiden , kvm@vger.kernel.org, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Cc: Alexander Gordeev , Andreas Grapentin , Arnd Bergmann , Catalin Marinas , Claudio Imbrenda , David Hildenbrand , Friedrich Welter , Fuad Tabba , Gautam Gala , Hariharan Mari , Heiko Carstens , Hendrik Brueckner , Ilya Leoshkevich , Janosch Frank , Joey Gouly , Marc Zyngier , Nico Boehr , Nina Schoetterl-Glausch , Oliver Upton , Paolo Bonzini , Sean Christopherson , Suzuki K Poulose , Sven Schnelle , Ulrich Weigand , Vasily Gorbik , Will Deacon , Zenghui Yu References: <20260812153631.3376090-1-seiden@linux.ibm.com> Content-Language: en-US From: Christian Borntraeger In-Reply-To: <20260812153631.3376090-1-seiden@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODEyMDEzMCBTYWx0ZWRfX+hX7mFaW6Bjh 4xCRr8SSG/wq0Q+UMJl9NmmG8uBaeovdN3p9LFoVBuIj2n05O9Xa5haiIXy/IyfCpitFHw3T2Y5 AHZ7IdsPsgS/SRxnXcjYp3txXUmEJ2kBYSOEVVQ9yKJ1xqFL49lTLFC56Osq86LzVj9RFZK/4GD h+SvwpYjfUvUrtNZTByDtn0B+bRyvebEr+kbYe84J2sBb7Jm6cTDB4gGa5/vBADEf3k2AB7fEJD bywDWvZ+dq7pL6AUpb+pMQX+935cldlW5/PuFsjG4mgEhm3BdOCYGsiFirFtrmlIGpmiKvz4Srd oasr65sls7qKDzuJCYf8qHWxbklTwcvqSbfinbxamEvUS6q9h7NWruZ+niQVl1SXbvhwoSvgr2K xXw2NwHD6yyB/ukaMq/pPEURfUWVW9XND64Zbecj9Eo0RaQAmPb52Xv3LWF1VaLj6Ln+oD5afuX k9VvFw8VEkHZxv4NbBQ== X-Proofpoint-ORIG-GUID: G0OuvPLA1qfUd-P05KzVUpjgwHFA0jaW X-Proofpoint-Spam-Info: AW1haW4tMjYwODEyMDEzMCBTYWx0ZWRfXwE7JKEt2/Kf3 F7to+W1AJesjmvSzOL2+mxlBU92YP003Z60rETV97z+B5KwPoj4WcoR2RDdIkxhXnCOEalWKJVy 90lPMbfvDXEDKnJ3RsZuadmVz91yHwg= X-Authority-Analysis: v=2.4 cv=IfK3n2qa c=1 sm=1 tr=0 ts=6a7c9f53 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=cBNhPelFHdF66-ObYm0A:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: 9BI-5fV4gFD7mk7NSEYkjJYPa_XF6sj8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-12_04,2026-08-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 impostorscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 adultscore=0 malwarescore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608120130 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260812_092921_127574_87912477 X-CRM114-Status: GOOD ( 11.06 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Am 12.08.26 um 17:35 schrieb Steffen Eiden: > C) KVM/s390 reorganization (patches 12-22): > Prepare s390 for a second KVM module. Move existing s390 KVM code into > dedicated s390 and gmap subdirectories to make room for a second KVM > implementation. Refactor gmap to better integrate with the second KVM > implementation. GMAP hides a few features only required when managing s390 > guests: Storage keys, CMMA, and prefix handling. Those are guarded behind an > #if KVM_S390_MANAGES_S390_GUEST. Only features which implementation would > break kvm-arm64 code are guarded. I leave the non-breaking stuff (like > shadow-gmaps or ucontrol) for the LTO. I will likely take 12-21 for the next merge window so that we can minimize this patch set. sashiko and claude are happy. Mostly mechanical moves. I will review those first and might do small fixups myself if necessary.