[PATCH v4 19/38] KVM: VMX: Add macros to wrap around {secondary,tertiary}_exec_controls_changebit()
From: Mingwei Zhang
Date: Mon Mar 24 2025 - 13:42:16 EST
From: Dapeng Mi <dapeng1.mi@xxxxxxxxxxxxxxx>
Add macros around helpers that changes VMCS bits to simplify vmx exec ctrl
bits clearing and setting.
No function change intended.
Suggested-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Dapeng Mi <dapeng1.mi@xxxxxxxxxxxxxxx>
Signed-off-by: Mingwei Zhang <mizhang@xxxxxxxxxx>
---
arch/x86/kvm/vmx/vmx.c | 20 +++++++-------------
arch/x86/kvm/vmx/vmx.h | 8 ++++++++
2 files changed, 15 insertions(+), 13 deletions(-)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 9c4b3c2b1d65..ff66f17d6358 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -4471,19 +4471,13 @@ void vmx_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu)
pin_controls_set(vmx, vmx_pin_based_exec_ctrl(vmx));
- if (kvm_vcpu_apicv_active(vcpu)) {
- secondary_exec_controls_setbit(vmx,
- SECONDARY_EXEC_APIC_REGISTER_VIRT |
- SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY);
- if (enable_ipiv)
- tertiary_exec_controls_setbit(vmx, TERTIARY_EXEC_IPI_VIRT);
- } else {
- secondary_exec_controls_clearbit(vmx,
- SECONDARY_EXEC_APIC_REGISTER_VIRT |
- SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY);
- if (enable_ipiv)
- tertiary_exec_controls_clearbit(vmx, TERTIARY_EXEC_IPI_VIRT);
- }
+ secondary_exec_controls_changebit(vmx,
+ SECONDARY_EXEC_APIC_REGISTER_VIRT |
+ SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY,
+ kvm_vcpu_apicv_active(vcpu));
+ if (enable_ipiv)
+ tertiary_exec_controls_changebit(vmx, TERTIARY_EXEC_IPI_VIRT,
+ kvm_vcpu_apicv_active(vcpu));
vmx_update_msr_bitmap_x2apic(vcpu);
}
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 8b111ce1087c..5c505af553c8 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -612,6 +612,14 @@ static __always_inline void lname##_controls_clearbit(struct vcpu_vmx *vmx, u##b
{ \
BUILD_BUG_ON(!(val & (KVM_REQUIRED_VMX_##uname | KVM_OPTIONAL_VMX_##uname))); \
lname##_controls_set(vmx, lname##_controls_get(vmx) & ~val); \
+} \
+static __always_inline void lname##_controls_changebit(struct vcpu_vmx *vmx, u##bits val, \
+ bool set) \
+{ \
+ if (set) \
+ lname##_controls_setbit(vmx, val); \
+ else \
+ lname##_controls_clearbit(vmx, val); \
}
BUILD_CONTROLS_SHADOW(vm_entry, VM_ENTRY_CONTROLS, 32)
BUILD_CONTROLS_SHADOW(vm_exit, VM_EXIT_CONTROLS, 32)
--
2.49.0.395.g12beb8f557-goog