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Diffstat (limited to 'virt')
-rw-r--r--virt/kvm/kvm_main.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 11db44f4110e..1a15043ceecb 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3288,6 +3288,7 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
{
struct rcuwait *wait = kvm_arch_vcpu_get_wait(vcpu);
bool halt_poll_allowed = !kvm_arch_no_poll(vcpu);
+ bool do_halt_poll = halt_poll_allowed && vcpu->halt_poll_ns;
ktime_t start, cur, poll_end;
bool waited = false;
u64 block_ns;
@@ -3295,7 +3296,7 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu)
kvm_arch_vcpu_blocking(vcpu);
start = cur = poll_end = ktime_get();
- if (vcpu->halt_poll_ns && halt_poll_allowed) {
+ if (do_halt_poll) {
ktime_t stop = ktime_add_ns(ktime_get(), vcpu->halt_poll_ns);
++vcpu->stat.generic.halt_attempted_poll;
@@ -3347,8 +3348,9 @@ out:
kvm_arch_vcpu_unblocking(vcpu);
block_ns = ktime_to_ns(cur) - ktime_to_ns(start);
- update_halt_poll_stats(
- vcpu, ktime_to_ns(ktime_sub(poll_end, start)), waited);
+ if (do_halt_poll)
+ update_halt_poll_stats(
+ vcpu, ktime_to_ns(ktime_sub(poll_end, start)), waited);
if (halt_poll_allowed) {
if (!vcpu_valid_wakeup(vcpu)) {