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| author | Paolo Bonzini <pbonzini@redhat.com> | 2015-07-29 11:49:59 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-10-01 15:06:24 +0200 |
| commit | d50ab6c1a2b24e12d3012d7beb343eba5b94a6ca (patch) | |
| tree | f1c08677a8b33c0a9cbcd816cd5d603de486b340 /arch/x86/kvm/vmx.c | |
| parent | KVM: x86: store IOAPIC-handled vectors in each VCPU (diff) | |
| download | linux-d50ab6c1a2b24e12d3012d7beb343eba5b94a6ca.tar.xz linux-d50ab6c1a2b24e12d3012d7beb343eba5b94a6ca.zip | |
KVM: x86: replace vm_has_apicv hook with cpu_uses_apicv
This will avoid an unnecessary trip to ->kvm and from there to the VPIC.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 9381b1d34313..b8a90c4f676f 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -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, |