linux-kernel - [PATCH kvmtool v4 05/15] arm64: Stash kvm_vcpu

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Message-ID: <20250930103130.197534-7-suzuki.poulose@arm.com>
Date: Tue, 30 Sep 2025 11:31:20 +0100
From: Suzuki K Poulose <suzuki.poulose@....com>
To: kvmarm@...ts.linux.dev
Cc: kvm@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	will@...nel.org,
	oliver.upton@...ux.dev,
	maz@...nel.org,
	alexandru.elisei@....com,
	aneesh.kumar@...nel.org,
	steven.price@....com,
	tabba@...gle.com,
	Suzuki K Poulose <suzuki.poulose@....com>
Subject: [PATCH kvmtool v4 05/15] arm64: Stash kvm_vcpu_init for later use

From: Oliver Upton <oliver.upton@...ux.dev>

A subsequent change will add support for resetting a vCPU, which
requires reissuing the KVM_ARM_VCPU_INIT ioctl. Save the kvm_vcpu_init
worked out for later use.

Signed-off-by: Oliver Upton <oliver.upton@...ux.dev>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
---
 arm64/include/kvm/kvm-cpu-arch.h | 2 +-
 arm64/kvm-cpu.c                  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arm64/include/kvm/kvm-cpu-arch.h b/arm64/include/kvm/kvm-cpu-arch.h
index 1af394aa..2f189abc 100644
--- a/arm64/include/kvm/kvm-cpu-arch.h
+++ b/arm64/include/kvm/kvm-cpu-arch.h
@@ -17,7 +17,7 @@ struct kvm_cpu {
 	pthread_t	thread;
 
 	unsigned long	cpu_id;
-	unsigned long	cpu_type;
+	struct kvm_vcpu_init	init;
 	const char	*cpu_compatible;
 
 	struct kvm	*kvm;
diff --git a/arm64/kvm-cpu.c b/arm64/kvm-cpu.c
index 94c08a4d..3d914112 100644
--- a/arm64/kvm-cpu.c
+++ b/arm64/kvm-cpu.c
@@ -194,7 +194,7 @@ struct kvm_cpu *kvm_cpu__arch_init(struct kvm *kvm, unsigned long cpu_id)
 	/* Populate the vcpu structure. */
 	vcpu->kvm		= kvm;
 	vcpu->cpu_id		= cpu_id;
-	vcpu->cpu_type		= vcpu_init.target;
+	vcpu->init		= vcpu_init;
 	vcpu->cpu_compatible	= target->compatible;
 	vcpu->is_running	= true;
 
-- 
2.43.0