linux-kernel - [PATCH 1/3] KVM: arm64: vgic-init: Remove vgic

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Message-ID: <20250624092256.1105524-2-keirf@google.com>
Date: Tue, 24 Jun 2025 09:22:53 +0000
From: Keir Fraser <keirf@...gle.com>
To: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	kvm@...r.kernel.org
Cc: Eric Auger <eric.auger@...hat.com>, Oliver Upton <oliver.upton@...ux.dev>, 
	Marc Zyngier <maz@...nel.org>, Will Deacon <will@...nel.org>, Paolo Bonzini <pbonzini@...hat.com>, 
	Keir Fraser <keirf@...gle.com>
Subject: [PATCH 1/3] KVM: arm64: vgic-init: Remove vgic_ready() macro

It is now used only within kvm_vgic_map_resources(). vgic_dist::ready
is already written directly by this function, so it is clearer to
bypass the macro for reads as well.

Signed-off-by: Keir Fraser <keirf@...gle.com>
---
 arch/arm64/kvm/vgic/vgic-init.c | 5 ++---
 include/kvm/arm_vgic.h          | 1 -
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/kvm/vgic/vgic-init.c b/arch/arm64/kvm/vgic/vgic-init.c
index eb1205654ac8..502b65049703 100644
--- a/arch/arm64/kvm/vgic/vgic-init.c
+++ b/arch/arm64/kvm/vgic/vgic-init.c
@@ -559,7 +559,6 @@ int vgic_lazy_init(struct kvm *kvm)
  * Also map the virtual CPU interface into the VM.
  * v2 calls vgic_init() if not already done.
  * v3 and derivatives return an error if the VGIC is not initialized.
- * vgic_ready() returns true if this function has succeeded.
  */
 int kvm_vgic_map_resources(struct kvm *kvm)
 {
@@ -568,12 +567,12 @@ int kvm_vgic_map_resources(struct kvm *kvm)
 	gpa_t dist_base;
 	int ret = 0;
 
-	if (likely(vgic_ready(kvm)))
+	if (likely(dist->ready))
 		return 0;
 
 	mutex_lock(&kvm->slots_lock);
 	mutex_lock(&kvm->arch.config_lock);
-	if (vgic_ready(kvm))
+	if (dist->ready)
 		goto out;
 
 	if (!irqchip_in_kernel(kvm))
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 4a34f7f0a864..233eaa6d1267 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -399,7 +399,6 @@ u64 vgic_v3_get_misr(struct kvm_vcpu *vcpu);
 
 #define irqchip_in_kernel(k)	(!!((k)->arch.vgic.in_kernel))
 #define vgic_initialized(k)	((k)->arch.vgic.initialized)
-#define vgic_ready(k)		((k)->arch.vgic.ready)
 #define vgic_valid_spi(k, i)	(((i) >= VGIC_NR_PRIVATE_IRQS) && \
 			((i) < (k)->arch.vgic.nr_spis + VGIC_NR_PRIVATE_IRQS))
 
-- 
2.50.0.rc2.761.g2dc52ea45b-goog