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Thu, 13 Aug 2026 07:45:38 +0000 (GMT) Received: from [9.224.77.173] (unknown [9.224.77.173]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 13 Aug 2026 07:45:38 +0000 (GMT) Message-ID: Date: Thu, 13 Aug 2026 09:45:38 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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; 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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. > So I picked 12-21 for kvms390/next and left 22 for later.