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Diffstat (limited to 'virt/kvm/kvm_main.c')
-rw-r--r--virt/kvm/kvm_main.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index c9d0bc01f8cb..9c8a8bf6e686 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2188,8 +2188,11 @@ static void grow_halt_poll_ns(struct kvm_vcpu *vcpu)
old = val = vcpu->halt_poll_ns;
grow = READ_ONCE(halt_poll_ns_grow);
+ if (!grow)
+ goto out;
+
/* 10us base */
- if (val == 0 && grow)
+ if (val == 0)
val = 10000;
else
val *= grow;
@@ -2198,6 +2201,7 @@ static void grow_halt_poll_ns(struct kvm_vcpu *vcpu)
val = halt_poll_ns;
vcpu->halt_poll_ns = val;
+out:
trace_kvm_halt_poll_ns_grow(vcpu->vcpu_id, val, old);
}