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authorYang Zhang <yang.z.zhang@Intel.com>2013-04-11 15:21:38 +0400
committerMarcelo Tosatti <mtosatti@redhat.com>2013-04-16 06:20:34 +0400
commit106069193ce501ea68649037bde7ea50ed492948 (patch)
tree3dea2fb1878a3c8a116b88258f1324591433aa84 /arch
parentb4f2225c07dd4d8eef7aa7f5b36a3b72c3cbbe5b (diff)
downloadlinux-106069193ce501ea68649037bde7ea50ed492948.tar.xz
KVM: Add reset/restore rtc_status support
restore rtc_status from migration or save/restore 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')
-rw-r--r--arch/x86/kvm/lapic.c9
-rw-r--r--arch/x86/kvm/lapic.h2
2 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 0b734025fc87..67962188c775 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -94,6 +94,14 @@ static inline int apic_test_vector(int vec, void *bitmap)
return test_bit(VEC_POS(vec), (bitmap) + REG_POS(vec));
}
+bool kvm_apic_pending_eoi(struct kvm_vcpu *vcpu, int vector)
+{
+ struct kvm_lapic *apic = vcpu->arch.apic;
+
+ return apic_test_vector(vector, apic->regs + APIC_ISR) ||
+ apic_test_vector(vector, apic->regs + APIC_IRR);
+}
+
static inline void apic_set_vector(int vec, void *bitmap)
{
set_bit(VEC_POS(vec), (bitmap) + REG_POS(vec));
@@ -1618,6 +1626,7 @@ void kvm_apic_post_state_restore(struct kvm_vcpu *vcpu,
apic->highest_isr_cache = -1;
kvm_x86_ops->hwapic_isr_update(vcpu->kvm, apic_find_highest_isr(apic));
kvm_make_request(KVM_REQ_EVENT, vcpu);
+ kvm_rtc_eoi_tracking_restore_one(vcpu);
}
void __kvm_migrate_apic_timer(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index 3e5a43160cb7..16304b1a8cba 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -166,4 +166,6 @@ static inline bool kvm_apic_has_events(struct kvm_vcpu *vcpu)
return vcpu->arch.apic->pending_events;
}
+bool kvm_apic_pending_eoi(struct kvm_vcpu *vcpu, int vector);
+
#endif