diff options
| -rw-r--r-- | arch/powerpc/kvm/book3s_hv.c | 5 | ||||
| -rw-r--r-- | virt/kvm/kvm_main.c | 6 |
2 files changed, 9 insertions, 2 deletions
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 5a066fc299e1..e316a2ddb70b 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -3631,8 +3631,11 @@ static void kvmppc_wait_for_exec(struct kvmppc_vcore *vc, static void grow_halt_poll_ns(struct kvmppc_vcore *vc) { + if (!halt_poll_ns_grow) + return; + /* 10us base */ - if (vc->halt_poll_ns == 0 && halt_poll_ns_grow) + if (vc->halt_poll_ns == 0) vc->halt_poll_ns = 10000; else vc->halt_poll_ns *= halt_poll_ns_grow; 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); } |