From: Hendrik Brueckner <brueckner@linux.ibm.com>
To: Steffen Eiden <seiden@linux.ibm.com>
Cc: 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>,
Christian Borntraeger <borntraeger@linux.ibm.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>,
Sean Christopherson <seanjc@google.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 v9 03/24] KVM: Replace CONFIG_KVM_MMIO with KVM_NO_MMIO
Date: Tue, 6 Oct 2026 18:18:06 +0200 [thread overview]
Message-ID: <asUfPttGx9Mh9Q6D@linux.ibm.com> (raw)
In-Reply-To: <20260930173441.66762-4-seiden@linux.ibm.com>
On Wed, Sep 30, 2026 at 07:34:18PM +0200, Steffen Eiden wrote:
> Defining KVM_MMIO is not flexible enough for multi-KVM systems where one
> KVM implements MMIO but others do not. Therefore, remove KVM_MMIO from
> the config space and use the macro KVM_NO_MMIO instead.
> Define KVM_NO_MMIO for KVM/s390 and for selected KVM/powerpc
> configurations.
>
> coalesced_mmio.c is now always compiled&linked. However, for
> architectures/configurations defining KVM_NO_MMIO this effectively
> collapses to an empty object with no mmio code.
>
> No functional changes.
Changes look good to me.
>
> Suggested-by: Marc Zyngier <maz@kernel.org>
> Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
Thanks!
Acked-by: Hendrik Brueckner <brueckner@linux.ibm.com>
next prev parent reply other threads:[~2026-10-06 16:18 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-30 17:34 [PATCH v9 00/24] KVM: s390: Introduce arm64 KVM Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 01/24] KVM: Make device name configurable Steffen Eiden
2026-10-06 15:19 ` Hendrik Brueckner
2026-09-30 17:34 ` [PATCH v9 02/24] KVM: Move architecture capability Kconfigs to header defines Steffen Eiden
2026-10-06 16:01 ` Hendrik Brueckner
2026-09-30 17:34 ` [PATCH v9 03/24] KVM: Replace CONFIG_KVM_MMIO with KVM_NO_MMIO Steffen Eiden
2026-10-06 16:18 ` Hendrik Brueckner [this message]
2026-09-30 17:34 ` [PATCH v9 04/24] arm64: Use proper include variant Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 05/24] arm64: ptrace: Use constants for compat register numbers Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 06/24] arm64: sysreg: Convert SPSR_ELx to automatic register generation Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 07/24] KVM: arm64: Access elements of vcpu_gp_regs individually Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 08/24] KVM: arm64: Use accessor functions for core regs Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 09/24] arm64: Prepare sharing arm64 headers with s390 Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 10/24] arm64: Share " Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 11/24] KVM: arm64: Share arm64 code " Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 12/24] s390/Kconfig: remove PCI dependency from HAS_IOMEM Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 13/24] KVM: s390: Use dedicated function for migration mode Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 14/24] s390/tools: Use arm64 headers Steffen Eiden
2026-10-01 10:25 ` Hendrik Brueckner
2026-09-30 17:34 ` [PATCH v9 15/24] KVM: s390: Use arm64 code Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 16/24] s390: Introduce Start Arm Execution instruction Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 17/24] KVM: s390: arm64: Introduce host definitions Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 18/24] s390/hwcaps: Report SAE support as hwcap Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 19/24] KVM: s390: Add basic arm64 kvm module Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 20/24] KVM: s390: arm64: Implement required functions Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 21/24] KVM: s390: arm64: Implement vm/vcpu create destroy Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 22/24] KVM: s390: arm64: Implement vCPU IOCTLs Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 23/24] KVM: s390: arm64: Implement basic page fault handler Steffen Eiden
2026-10-01 12:10 ` Arnd Bergmann
2026-10-01 13:35 ` Arnd Bergmann
2026-10-01 14:36 ` Lorenzo Stoakes (ARM)
2026-10-01 15:30 ` Steffen Eiden
2026-10-02 10:18 ` Lorenzo Stoakes (ARM)
2026-10-01 14:03 ` Steffen Eiden
2026-10-01 14:39 ` Lorenzo Stoakes (ARM)
2026-09-30 17:34 ` [PATCH v9 24/24] KVM: s390: arm64: Integrate arm on s390 Steffen Eiden
2026-10-01 11:04 ` (subset) [PATCH v9 00/24] KVM: s390: Introduce arm64 KVM Marc Zyngier
2026-10-01 13:27 ` Steffen Eiden
2026-10-01 13:39 ` Arnd Bergmann
2026-10-02 8:46 ` Arnd Bergmann
2026-10-01 15:12 ` Marc Zyngier
2026-10-02 8:00 ` Steffen Eiden
2026-10-02 9:02 ` Marc Zyngier
2026-10-02 9:17 ` Steffen Eiden
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