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authorYang Zhang <yang.z.zhang@Intel.com>2013-04-11 19:25:13 +0800
committerMarcelo Tosatti <mtosatti@redhat.com>2013-04-16 16:32:40 -0300
commit3d81bc7e96d6bca0b8f8b7d1bf6ea72caa3aac57 (patch)
tree3e8d83b8d80c87c38cc0bb1d3caef6286ad9dd48 /arch/x86/kvm/x86.c
parent01e439be7753c163932538276f04f95cb1b66697 (diff)
downloadop-kernel-dev-3d81bc7e96d6bca0b8f8b7d1bf6ea72caa3aac57.zip
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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/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c11
1 files changed, 7 insertions, 4 deletions
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) {
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