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 14/24] s390/tools: Use arm64 headers
Date: Thu, 1 Oct 2026 12:25:49 +0200 [thread overview]
Message-ID: <ar41LayUDhKN26cq@linux.ibm.com> (raw)
In-Reply-To: <20260930173441.66762-15-seiden@linux.ibm.com>
On Wed, Sep 30, 2026 at 07:34:29PM +0200, Steffen Eiden wrote:
> Introduce a flexible system for sharing ARM64 headers with s390 KVM.
> Selected arm64 headers or snippet of headers will be reachable by s390
> code through asm/header.h.
>
> Add copy-arm64h.awk that detects ARM64_S390_COMMON markers and extracts
> marked section into a generated header consumable by s390. Falls back to
> full file copy when no markers are found.
>
> Transform copied includes by replacing '#include <asm/...>' with
> '#include <arm64/...>' and similar for uapi headers to ensure
> correct path resolution on s390 and allow for a clear separation of s390
> asm headers and arm64 asm headers.
>
> Integrate this extraction into the s390/kapi target, conditional on
> CONFIG_KVM.
>
> Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
> ---
> arch/s390/include/uapi/Kbuild | 6 ++
> arch/s390/tools/Makefile | 6 +-
> arch/s390/tools/Makefile.arm64h | 55 ++++++++++++++++++
> arch/s390/tools/copy-arm64h-full.awk | 50 +++++++++++++++++
> arch/s390/tools/copy-arm64h.awk | 83 ++++++++++++++++++++++++++++
Thanks for the updates.
Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
next prev parent reply other threads:[~2026-10-01 11:03 UTC|newest]
Thread overview: 28+ 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
2026-09-30 17:34 ` [PATCH v9 02/24] KVM: Move architecture capability Kconfigs to header defines Steffen Eiden
2026-09-30 17:34 ` [PATCH v9 03/24] KVM: Replace CONFIG_KVM_MMIO with KVM_NO_MMIO Steffen Eiden
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 [this message]
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
2026-09-30 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
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