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-rw-r--r--arch/x86/kvm/svm/avic.c15
-rw-r--r--arch/x86/kvm/svm/svm.h11
2 files changed, 9 insertions, 17 deletions
diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c
index 40039477bebb..2d8278167c0f 100644
--- a/arch/x86/kvm/svm/avic.c
+++ b/arch/x86/kvm/svm/avic.c
@@ -295,13 +295,16 @@ static void avic_kick_target_vcpus(struct kvm *kvm, struct kvm_lapic *source,
struct kvm_vcpu *vcpu;
unsigned long i;
+ /*
+ * Wake any target vCPUs that are blocking, i.e. waiting for a wake
+ * event. There's no need to signal doorbells, as hardware has handled
+ * vCPUs that were in guest at the time of the IPI, and vCPUs that have
+ * since entered the guest will have processed pending IRQs at VMRUN.
+ */
kvm_for_each_vcpu(i, vcpu, kvm) {
- bool m = kvm_apic_match_dest(vcpu, source,
- icrl & APIC_SHORT_MASK,
- GET_APIC_DEST_FIELD(icrh),
- icrl & APIC_DEST_MASK);
-
- if (m && !avic_vcpu_is_running(vcpu))
+ if (kvm_apic_match_dest(vcpu, source, icrl & APIC_SHORT_MASK,
+ GET_APIC_DEST_FIELD(icrh),
+ icrl & APIC_DEST_MASK))
kvm_vcpu_wake_up(vcpu);
}
}
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 6d29421dd4bf..fd0685b2ce55 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -573,17 +573,6 @@ extern struct kvm_x86_nested_ops svm_nested_ops;
#define VMCB_AVIC_APIC_BAR_MASK 0xFFFFFFFFFF000ULL
-static inline bool avic_vcpu_is_running(struct kvm_vcpu *vcpu)
-{
- struct vcpu_svm *svm = to_svm(vcpu);
- u64 *entry = svm->avic_physical_id_cache;
-
- if (!entry)
- return false;
-
- return (READ_ONCE(*entry) & AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK);
-}
-
int avic_ga_log_notifier(u32 ga_tag);
void avic_vm_destroy(struct kvm *kvm);
int avic_vm_init(struct kvm *kvm);