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Wed, 12 Aug 2026 19:10:04 +0000 (GMT) Received: from [9.87.128.143] (unknown [9.87.128.143]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 12 Aug 2026 19:10:04 +0000 (GMT) Message-ID: <5af0855a-4d2f-496d-9752-340519e02ba6@linux.ibm.com> Date: Wed, 12 Aug 2026 21:10:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v6 21/33] KVM: s390: gmap: Make prefix handling optional 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> <20260812153631.3376090-22-seiden@linux.ibm.com> Content-Language: en-US From: Christian Borntraeger In-Reply-To: <20260812153631.3376090-22-seiden@linux.ibm.com> Content-Type: text/plain; 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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 17:36 schrieb Steffen Eiden: > Guard guest prefix handling behind `KVM_S390_MANAGES_S390_GUEST`. This > enables other KVM implementations to use gmap without implementing > prefix handling. The prefix handling is integrated deeply in the gmap > implementation. Therefore, provide safe default implementations for the > guarded functions. > > No functional changes. > > Signed-off-by: Steffen Eiden Reviewed-by: Christian Borntraeger