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| author | Vitaly Kuznetsov <vkuznets@redhat.com> | 2021-06-09 17:09:08 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-06-17 13:09:33 -0400 |
| commit | fdf513e37a3bd9f498179c878cfcd59693bf507c (patch) | |
| tree | e32b555386144d0c7eb4ad011b3309f77309f9f5 /arch/x86/kvm/svm/avic.c | |
| parent | 7d62874f69d7e5c1c1063a5848075bd1adff3998 (diff) | |
| download | cachepc-linux-fdf513e37a3bd9f498179c878cfcd59693bf507c.tar.gz cachepc-linux-fdf513e37a3bd9f498179c878cfcd59693bf507c.zip | |
KVM: x86: Use common 'enable_apicv' variable for both APICv and AVIC
Unify VMX and SVM code by moving APICv/AVIC enablement tracking to common
'enable_apicv' variable. Note: unlike APICv, AVIC is disabled by default.
No functional change intended.
Suggested-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20210609150911.1471882-2-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm/avic.c')
| -rw-r--r-- | arch/x86/kvm/svm/avic.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c index 5e7e920113f3..a9abed054cd5 100644 --- a/arch/x86/kvm/svm/avic.c +++ b/arch/x86/kvm/svm/avic.c @@ -27,10 +27,6 @@ #include "irq.h" #include "svm.h" -/* enable / disable AVIC */ -bool avic; -module_param(avic, bool, S_IRUGO); - #define SVM_AVIC_DOORBELL 0xc001011b #define AVIC_HPA_MASK ~((0xFFFULL << 52) | 0xFFF) @@ -124,7 +120,7 @@ void avic_vm_destroy(struct kvm *kvm) unsigned long flags; struct kvm_svm *kvm_svm = to_kvm_svm(kvm); - if (!avic) + if (!enable_apicv) return; if (kvm_svm->avic_logical_id_table_page) @@ -147,7 +143,7 @@ int avic_vm_init(struct kvm *kvm) struct page *l_page; u32 vm_id; - if (!avic) + if (!enable_apicv) return 0; /* Allocating physical APIC ID table (4KB) */ @@ -569,7 +565,7 @@ int avic_init_vcpu(struct vcpu_svm *svm) int ret; struct kvm_vcpu *vcpu = &svm->vcpu; - if (!avic || !irqchip_in_kernel(vcpu->kvm)) + if (!enable_apicv || !irqchip_in_kernel(vcpu->kvm)) return 0; ret = avic_init_backing_page(vcpu); @@ -593,7 +589,7 @@ void avic_post_state_restore(struct kvm_vcpu *vcpu) void svm_toggle_avic_for_irq_window(struct kvm_vcpu *vcpu, bool activate) { - if (!avic || !lapic_in_kernel(vcpu)) + if (!enable_apicv || !lapic_in_kernel(vcpu)) return; srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx); @@ -653,7 +649,7 @@ void svm_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu) struct vmcb *vmcb = svm->vmcb; bool activated = kvm_vcpu_apicv_active(vcpu); - if (!avic) + if (!enable_apicv) return; if (activated) { |