linux-kernel - [PATCH 2/8] KVM: arm64: Include KVM headers to get forward declarations

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Message-ID: <20250611001042.170501-3-seanjc@google.com>
Date: Tue, 10 Jun 2025 17:10:36 -0700
From: Sean Christopherson <seanjc@...gle.com>
To: Marc Zyngier <maz@...nel.org>, Oliver Upton <oliver.upton@...ux.dev>, 
	Tianrui Zhao <zhaotianrui@...ngson.cn>, Bibo Mao <maobibo@...ngson.cn>, 
	Huacai Chen <chenhuacai@...nel.org>, Madhavan Srinivasan <maddy@...ux.ibm.com>, 
	Anup Patel <anup@...infault.org>, Paul Walmsley <paul.walmsley@...ive.com>, 
	Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
	Christian Borntraeger <borntraeger@...ux.ibm.com>, Janosch Frank <frankja@...ux.ibm.com>, 
	Claudio Imbrenda <imbrenda@...ux.ibm.com>, Sean Christopherson <seanjc@...gle.com>, 
	Paolo Bonzini <pbonzini@...hat.com>
Cc: linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev, 
	kvm@...r.kernel.org, loongarch@...ts.linux.dev, linux-mips@...r.kernel.org, 
	linuxppc-dev@...ts.ozlabs.org, kvm-riscv@...ts.infradead.org, 
	linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	Anish Ghulati <aghulati@...gle.com>, Colton Lewis <coltonlewis@...gle.com>, 
	Thomas Huth <thuth@...hat.com>
Subject: [PATCH 2/8] KVM: arm64: Include KVM headers to get forward declarations

Include include/uapi/linux/kvm.h and include/linux/kvm_types.h in ARM's
public arm_arch_timer.h and arm_pmu.h headers to get forward declarations
of things like "struct kvm_vcpu" and "struct kvm_device_attr", which are
referenced but never declared (neither file includes *any* KVM headers).

The missing includes don't currently cause problems because of the order
of includes in parent files, but that order is largely arbitrary and is
subject to change, e.g. a future commit will move the ARM specific headers
to arch/arm64/include/asm and reorder parent includes to maintain
alphabetic ordering.

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 include/kvm/arm_arch_timer.h | 2 ++
 include/kvm/arm_pmu.h        | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/include/kvm/arm_arch_timer.h b/include/kvm/arm_arch_timer.h
index 681cf0c8b9df..22cce6843e9a 100644
--- a/include/kvm/arm_arch_timer.h
+++ b/include/kvm/arm_arch_timer.h
@@ -7,6 +7,8 @@
 #ifndef __ASM_ARM_KVM_ARCH_TIMER_H
 #define __ASM_ARM_KVM_ARCH_TIMER_H
 
+#include <linux/kvm.h>
+#include <linux/kvm_types.h>
 #include <linux/clocksource.h>
 #include <linux/hrtimer.h>
 
diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
index 96754b51b411..baf028d19dfc 100644
--- a/include/kvm/arm_pmu.h
+++ b/include/kvm/arm_pmu.h
@@ -7,6 +7,8 @@
 #ifndef __ASM_ARM_KVM_PMU_H
 #define __ASM_ARM_KVM_PMU_H
 
+#include <linux/kvm.h>
+#include <linux/kvm_types.h>
 #include <linux/perf_event.h>
 #include <linux/perf/arm_pmuv3.h>
 
-- 
2.50.0.rc0.642.g800a2b2222-goog