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authorMaxim Levitsky <[email protected]>2021-08-10 23:52:49 +0300
committerPaolo Bonzini <[email protected]>2021-08-20 16:06:29 -0400
commitbf5f6b9d7ad6b88df15d691d9759f9a397488c7e (patch)
tree6ced035203ef5df7f8d5fe3c5cca5557d4108a14
parent06ef813466c63ff1a61b5f99592e58d049c2c1ac (diff)
KVM: SVM: move check for kvm_vcpu_apicv_active outside of avic_vcpu_{put|load}
No functional change intended. Signed-off-by: Maxim Levitsky <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
-rw-r--r--arch/x86/kvm/svm/avic.c10
-rw-r--r--arch/x86/kvm/svm/svm.c7
2 files changed, 9 insertions, 8 deletions
diff --git a/arch/x86/kvm/svm/avic.c b/arch/x86/kvm/svm/avic.c
index 1def54c26259..e7728b16a46f 100644
--- a/arch/x86/kvm/svm/avic.c
+++ b/arch/x86/kvm/svm/avic.c
@@ -940,9 +940,6 @@ void avic_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
int h_physical_id = kvm_cpu_get_apicid(cpu);
struct vcpu_svm *svm = to_svm(vcpu);
- if (!kvm_vcpu_apicv_active(vcpu))
- return;
-
/*
* Since the host physical APIC id is 8 bits,
* we can support host APIC ID upto 255.
@@ -970,9 +967,6 @@ void avic_vcpu_put(struct kvm_vcpu *vcpu)
u64 entry;
struct vcpu_svm *svm = to_svm(vcpu);
- if (!kvm_vcpu_apicv_active(vcpu))
- return;
-
entry = READ_ONCE(*(svm->avic_physical_id_cache));
if (entry & AVIC_PHYSICAL_ID_ENTRY_IS_RUNNING_MASK)
avic_update_iommu_vcpu_affinity(vcpu, -1, 0);
@@ -989,6 +983,10 @@ static void avic_set_running(struct kvm_vcpu *vcpu, bool is_run)
struct vcpu_svm *svm = to_svm(vcpu);
svm->avic_is_running = is_run;
+
+ if (!kvm_vcpu_apicv_active(vcpu))
+ return;
+
if (is_run)
avic_vcpu_load(vcpu, vcpu->cpu);
else
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 4e76e78c98ec..114c7e29467b 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1481,12 +1481,15 @@ static void svm_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
sd->current_vmcb = svm->vmcb;
indirect_branch_prediction_barrier();
}
- avic_vcpu_load(vcpu, cpu);
+ if (kvm_vcpu_apicv_active(vcpu))
+ avic_vcpu_load(vcpu, cpu);
}
static void svm_vcpu_put(struct kvm_vcpu *vcpu)
{
- avic_vcpu_put(vcpu);
+ if (kvm_vcpu_apicv_active(vcpu))
+ avic_vcpu_put(vcpu);
+
svm_prepare_host_switch(vcpu);
++vcpu->stat.host_state_reload;