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KVM: x86: replace vm_has_apicv hook with cpu_uses_apicv

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This will avoid an unnecessary trip to ->kvm and from there to the VPIC.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
2015-07-29 11:49:59 +02:00
parent 3bb345f387
commit d50ab6c1a2
6 changed files with 15 additions and 9 deletions
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8
arch/x86/kvm/vmx.c
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@@ -810,6 +810,7 @@ static void kvm_cpu_vmxoff(void);
static bool vmx_mpx_supported(void);
static bool vmx_xsaves_supported(void);
static int vmx_vm_has_apicv(struct kvm *kvm);
static int vmx_cpu_uses_apicv(struct kvm_vcpu *vcpu);
static int vmx_set_tss_addr(struct kvm *kvm, unsigned int addr);
static void vmx_set_segment(struct kvm_vcpu *vcpu,
struct kvm_segment *var, int seg);
@@ -4337,6 +4338,11 @@ static int vmx_vm_has_apicv(struct kvm *kvm)
return enable_apicv && irqchip_in_kernel(kvm);
}
static int vmx_cpu_uses_apicv(struct kvm_vcpu *vcpu)
{
return vmx_vm_has_apicv(vcpu->kvm);
}
static int vmx_complete_nested_posted_interrupt(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
@@ -10362,7 +10368,7 @@ static struct kvm_x86_ops vmx_x86_ops = {
.update_cr8_intercept = update_cr8_intercept,
.set_virtual_x2apic_mode = vmx_set_virtual_x2apic_mode,
.set_apic_access_page_addr = vmx_set_apic_access_page_addr,
.vm_has_apicv = vmx_vm_has_apicv,
.cpu_uses_apicv = vmx_cpu_uses_apicv,
.load_eoi_exitmap = vmx_load_eoi_exitmap,
.hwapic_irr_update = vmx_hwapic_irr_update,
.hwapic_isr_update = vmx_hwapic_isr_update,