diff options
| author | Yang Zhang <yang.z.zhang@Intel.com> | 2013-04-11 19:25:13 +0800 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2013-04-16 16:32:40 -0300 |
| commit | 3d81bc7e96d6bca0b8f8b7d1bf6ea72caa3aac57 (patch) | |
| tree | 3e8d83b8d80c87c38cc0bb1d3caef6286ad9dd48 /arch/x86 | |
| parent | 01e439be7753c163932538276f04f95cb1b66697 (diff) | |
| download | op-kernel-dev-3d81bc7e96d6bca0b8f8b7d1bf6ea72caa3aac57.zip op-kernel-dev-3d81bc7e96d6bca0b8f8b7d1bf6ea72caa3aac57.tar.gz | |
KVM: Call common update function when ioapic entry changed.
Both TMR and EOI exit bitmap need to be updated when ioapic changed
or vcpu's id/ldr/dfr changed. So use common function instead eoi exit
bitmap specific function.
Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/lapic.c | 2 | ||||
| -rw-r--r-- | arch/x86/kvm/vmx.c | 3 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 11 |
3 files changed, 11 insertions, 5 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 6796218..34a8ca8 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -217,7 +217,7 @@ out: if (old) kfree_rcu(old, rcu); - kvm_ioapic_make_eoibitmap_request(kvm); + kvm_vcpu_request_scan_ioapic(kvm); } static inline void kvm_apic_set_id(struct kvm_lapic *apic, u8 id) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 7607c6c..8535519 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -6414,6 +6414,9 @@ static void vmx_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr) static void vmx_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap) { + if (!vmx_vm_has_apicv(vcpu->kvm)) + return; + vmcs_write64(EOI_EXIT_BITMAP0, eoi_exit_bitmap[0]); vmcs_write64(EOI_EXIT_BITMAP1, eoi_exit_bitmap[1]); vmcs_write64(EOI_EXIT_BITMAP2, eoi_exit_bitmap[2]); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 1562671..87a05df 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -5661,13 +5661,16 @@ static void kvm_gen_update_masterclock(struct kvm *kvm) #endif } -static void update_eoi_exitmap(struct kvm_vcpu *vcpu) +static void vcpu_scan_ioapic(struct kvm_vcpu *vcpu) { u64 eoi_exit_bitmap[4]; + if (!kvm_apic_hw_enabled(vcpu->arch.apic)) + return; + memset(eoi_exit_bitmap, 0, 32); - kvm_ioapic_calculate_eoi_exitmap(vcpu, eoi_exit_bitmap); + kvm_ioapic_scan_entry(vcpu, eoi_exit_bitmap); kvm_x86_ops->load_eoi_exitmap(vcpu, eoi_exit_bitmap); } @@ -5724,8 +5727,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu) kvm_handle_pmu_event(vcpu); if (kvm_check_request(KVM_REQ_PMI, vcpu)) kvm_deliver_pmi(vcpu); - if (kvm_check_request(KVM_REQ_EOIBITMAP, vcpu)) - update_eoi_exitmap(vcpu); + if (kvm_check_request(KVM_REQ_SCAN_IOAPIC, vcpu)) + vcpu_scan_ioapic(vcpu); } if (kvm_check_request(KVM_REQ_EVENT, vcpu) || req_int_win) { |
