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Message-ID: <aD4a1T7ZmBLNunxi@google.com>
Date: Mon, 2 Jun 2025 14:42:45 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Colton Lewis <coltonlewis@...gle.com>
Cc: kvm@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>,
Jonathan Corbet <corbet@....net>, Russell King <linux@...linux.org.uk>,
Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Marc Zyngier <maz@...nel.org>,
Oliver Upton <oliver.upton@...ux.dev>, Joey Gouly <joey.gouly@....com>,
Suzuki K Poulose <suzuki.poulose@....com>, Zenghui Yu <yuzenghui@...wei.com>,
Mark Rutland <mark.rutland@....com>, Shuah Khan <shuah@...nel.org>, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
kvmarm@...ts.linux.dev, linux-perf-users@...r.kernel.org,
linux-kselftest@...r.kernel.org
Subject: Re: [PATCH 04/17] KVM: arm64: Cleanup PMU includes
On Mon, Jun 02, 2025, Colton Lewis wrote:
> * Delete kvm/arm_pmu.h. These functions are mostly internal to KVM and
> should go in asm/kvm_host.h.
Ha! I'm a hair too late, as usual. I _just_ resurrected a patch[*] to move and
rename all of the <kvm/arm_xxx.h> headers to <asm/kvm_xxx.h>. If only I had
posted on Friday when they were ready :-)
It's a relatively small series (mostly arm64 code movement), but it does touch
all architectures due to giving the same treatment to kvm/iodev.h (and purging
include/kvm entirely).
Any preference/thoughts on how to proceed? My stuff obviously isn't urgent since
I sat on the patches for almost two years. On the other hand, the almost pure
code movement would be a nice precursor to this patch, e.g. move and rename to
asm/kvm_pmu.h before extracting chunks of code into asm/kvm_host.h.
[*] https://lore.kernel.org/all/20230916003118.2540661-15-seanjc@google.com
Diff stats for context:
---
Anish Ghulati (1):
KVM: arm64: Move arm_{psci,hypercalls}.h to an internal KVM path
Sean Christopherson (7):
KVM: arm64: Include KVM headers to get forward declarations
KVM: arm64: Move ARM specific headers in include/kvm to arch directory
KVM: Move include/kvm/iodev.h to include/linux as kvm_iodev.h
KVM: MIPS: Stop adding virt/kvm to the arch include path
KVM: PPC: Stop adding virt/kvm to the arch include path
KVM: s390: Stop adding virt/kvm to the arch include path
KVM: Standardize include paths across all architectures
MAINTAINERS | 1 -
.../arm64/include/asm/kvm_arch_timer.h | 2 ++
arch/arm64/include/asm/kvm_host.h | 7 +++----
include/kvm/arm_pmu.h => arch/arm64/include/asm/kvm_pmu.h | 2 ++
.../kvm/arm_vgic.h => arch/arm64/include/asm/kvm_vgic.h | 2 +-
arch/arm64/kvm/Makefile | 2 --
arch/arm64/kvm/arch_timer.c | 5 ++---
arch/arm64/kvm/arm.c | 6 +++---
{include => arch/arm64}/kvm/arm_hypercalls.h | 0
{include => arch/arm64}/kvm/arm_psci.h | 0
arch/arm64/kvm/guest.c | 2 +-
arch/arm64/kvm/handle_exit.c | 2 +-
arch/arm64/kvm/hyp/Makefile | 6 +++---
arch/arm64/kvm/hyp/include/hyp/switch.h | 4 ++--
arch/arm64/kvm/hyp/nvhe/switch.c | 4 ++--
arch/arm64/kvm/hyp/vhe/switch.c | 4 ++--
arch/arm64/kvm/hypercalls.c | 4 ++--
arch/arm64/kvm/pmu-emul.c | 4 ++--
arch/arm64/kvm/psci.c | 4 ++--
arch/arm64/kvm/pvtime.c | 2 +-
arch/arm64/kvm/reset.c | 3 +--
arch/arm64/kvm/trace_arm.h | 2 +-
arch/arm64/kvm/trng.c | 2 +-
arch/arm64/kvm/vgic/vgic-debug.c | 2 +-
arch/arm64/kvm/vgic/vgic-init.c | 2 +-
arch/arm64/kvm/vgic/vgic-irqfd.c | 2 +-
arch/arm64/kvm/vgic/vgic-kvm-device.c | 2 +-
arch/arm64/kvm/vgic/vgic-mmio-v2.c | 4 ++--
arch/arm64/kvm/vgic/vgic-mmio-v3.c | 4 ++--
arch/arm64/kvm/vgic/vgic-mmio.c | 6 +++---
arch/arm64/kvm/vgic/vgic-v2.c | 2 +-
arch/arm64/kvm/vgic/vgic-v3-nested.c | 3 +--
arch/arm64/kvm/vgic/vgic-v3.c | 2 +-
arch/loongarch/include/asm/kvm_eiointc.h | 2 +-
arch/loongarch/include/asm/kvm_ipi.h | 2 +-
arch/loongarch/include/asm/kvm_pch_pic.h | 2 +-
arch/mips/include/asm/kvm_host.h | 3 +--
arch/mips/kvm/Makefile | 2 --
arch/powerpc/kvm/Makefile | 2 --
arch/powerpc/kvm/mpic.c | 2 +-
arch/riscv/kvm/Makefile | 2 --
arch/riscv/kvm/aia_aplic.c | 2 +-
arch/riscv/kvm/aia_imsic.c | 2 +-
arch/s390/kvm/Makefile | 2 --
arch/x86/kvm/Makefile | 1 -
arch/x86/kvm/i8254.h | 2 +-
arch/x86/kvm/ioapic.h | 2 +-
arch/x86/kvm/irq.h | 2 +-
arch/x86/kvm/lapic.h | 2 +-
include/{kvm/iodev.h => linux/kvm_iodev.h} | 0
virt/kvm/Makefile.kvm | 2 ++
virt/kvm/coalesced_mmio.c | 3 +--
virt/kvm/eventfd.c | 2 +-
virt/kvm/kvm_main.c | 3 +--
54 files changed, 64 insertions(+), 77 deletions(-)
rename include/kvm/arm_arch_timer.h => arch/arm64/include/asm/kvm_arch_timer.h (98%)
rename include/kvm/arm_pmu.h => arch/arm64/include/asm/kvm_pmu.h (99%)
rename include/kvm/arm_vgic.h => arch/arm64/include/asm/kvm_vgic.h (99%)
rename {include => arch/arm64}/kvm/arm_hypercalls.h (100%)
rename {include => arch/arm64}/kvm/arm_psci.h (100%)
rename include/{kvm/iodev.h => linux/kvm_iodev.h} (100%)
base-commit: 45eb29140e68ffe8e93a5471006858a018480a45
--
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