From: Sean Christopherson <seanjc@google.com>
To: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Steffen Eiden <seiden@linux.ibm.com>,
kvm@vger.kernel.org, kvmarm@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org,
Alexander Gordeev <agordeev@linux.ibm.com>,
Andreas Grapentin <gra@linux.ibm.com>,
Arnd Bergmann <arnd@arndb.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Claudio Imbrenda <imbrenda@linux.ibm.com>,
David Hildenbrand <david@kernel.org>,
Friedrich Welter <fritz@linux.ibm.com>,
Fuad Tabba <tabba@google.com>, Gautam Gala <ggala@linux.ibm.com>,
Hariharan Mari <hari55@linux.ibm.com>,
Heiko Carstens <hca@linux.ibm.com>,
Hendrik Brueckner <brueckner@linux.ibm.com>,
Ilya Leoshkevich <iii@linux.ibm.com>,
Janosch Frank <frankja@linux.ibm.com>,
Joey Gouly <joey.gouly@arm.com>, Marc Zyngier <maz@kernel.org>,
Nico Boehr <nrb@linux.ibm.com>,
Nina Schoetterl-Glausch <oss@nina.schoetterlglausch.eu>,
Oliver Upton <oupton@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Ulrich Weigand <Ulrich.Weigand@de.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>, Will Deacon <will@kernel.org>,
Zenghui Yu <yuzenghui@huawei.com>
Subject: Re: [PATCH v6 00/33] KVM: s390: Introduce arm64 KVM
Date: Wed, 12 Aug 2026 09:36:26 -0700 [thread overview]
Message-ID: <anyhChQlOs37se4B@google.com> (raw)
In-Reply-To: <cdb8b0bd-a15a-440b-9d7c-b532aeee6eb9@linux.ibm.com>
On Wed, Aug 12, 2026, Christian Borntraeger wrote:
> 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.
Speaking of trimming down the patch set...
Steffen, can you post patch 1, "vfio: Use file-based reference counting for KVM",
separately? I'd love to get that merged sooner than later.
next prev parent reply other threads:[~2026-08-12 16:36 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-12 15:35 [PATCH v6 00/33] KVM: s390: Introduce arm64 KVM Steffen Eiden
2026-08-12 15:35 ` [PATCH v6 01/33] vfio: Use file-based reference counting for KVM Steffen Eiden
2026-08-12 15:35 ` [PATCH v6 02/33] KVM: Make device name configurable Steffen Eiden
2026-08-12 15:35 ` [PATCH v6 03/33] KVM: Allow KVM implementations to switch off MMIO independent of Kconfig Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 04/33] arm64: Use proper include variant Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 05/33] arm64: ptrace: Use constants for compat register numbers Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 06/33] arm64: sysreg: Convert SPSR_ELx to automatic register generation Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 07/33] KVM: arm64: Access elements of vcpu_gp_regs individually Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 08/33] KVM: arm64: Use accessor functions for core regs Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 09/33] arm64: Prepare sharing arm64 headers with s390 Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 10/33] arm64: Share " Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 11/33] KVM: arm64: Share arm64 code " Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 12/33] KVM: s390: Extract gmap tracing to a separate header Steffen Eiden
2026-08-12 17:13 ` Christian Borntraeger
2026-08-12 15:36 ` [PATCH v6 13/33] KVM: s390: Prepare include guards for a new location Steffen Eiden
2026-08-12 17:35 ` Christian Borntraeger
2026-08-12 15:36 ` [PATCH v6 14/33] KVM: s390: Rename kvm-s390.{c,h} to s390.{c,h} Steffen Eiden
2026-08-12 17:58 ` Christian Borntraeger
2026-08-12 15:36 ` [PATCH v6 15/33] KVM: s390: Move kvm_host definitions to kvm_host_s390 Steffen Eiden
2026-08-12 18:12 ` Christian Borntraeger
2026-08-12 15:36 ` [PATCH v6 16/33] KVM: s390: Move s390 kvm code into a subdirectory Steffen Eiden
2026-08-12 18:32 ` Christian Borntraeger
2026-08-12 15:36 ` [PATCH v6 17/33] KVM: s390: Move PGM code definitions to asm/kvm_host.h Steffen Eiden
2026-08-12 18:47 ` Christian Borntraeger
2026-08-12 15:36 ` [PATCH v6 18/33] KVM: s390: Prepare gmap for a second KVM implementation Steffen Eiden
2026-08-12 19:05 ` Christian Borntraeger
2026-08-12 15:36 ` [PATCH v6 19/33] KVM: s390: gmap: Make storage keys optional Steffen Eiden
2026-08-12 19:07 ` Christian Borntraeger
2026-08-12 15:36 ` [PATCH v6 20/33] KVM: s390: gmap: Make CMMA optional Steffen Eiden
2026-08-12 19:07 ` Christian Borntraeger
2026-08-12 15:36 ` [PATCH v6 21/33] KVM: s390: gmap: Make prefix handling optional Steffen Eiden
2026-08-12 19:10 ` Christian Borntraeger
2026-08-12 15:36 ` [PATCH v6 22/33] KVM: s390: Prepare KVM/s390 for a second KVM module Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 23/33] s390: Use arm64 headers Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 24/33] KVM: s390: Use arm64 code Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 25/33] s390: Introduce Start Arm Execution instruction Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 26/33] KVM: s390: arm64: Introduce host definitions Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 27/33] s390/hwcaps: Report SAE support as hwcap Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 28/33] KVM: s390: Add basic arm64 kvm module Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 29/33] KVM: s390: arm64: Implement required functions Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 30/33] KVM: s390: arm64: Implement vm/vcpu create destroy Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 31/33] KVM: s390: arm64: Implement vCPU IOCTLs Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 32/33] KVM: s390: arm64: Implement basic page fault handler Steffen Eiden
2026-08-12 15:36 ` [PATCH v6 33/33] KVM: s390: arm64: Enable KVM_ARM64 config and Kbuild Steffen Eiden
2026-08-12 16:28 ` [PATCH v6 00/33] KVM: s390: Introduce arm64 KVM Christian Borntraeger
2026-08-12 16:36 ` Sean Christopherson [this message]
2026-08-12 18:58 ` Steffen Eiden
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