Messages in this thread Patch in this message | | | From | Davidlohr Bueso <> | Subject | [PATCH 2/7] kvm,async_pf: Use swq_has_sleepers() | Date | Wed, 13 Sep 2017 13:08:19 -0700 |
| |
... as we've got the new helper now. This caller already does the right thing, hence no changes in semantics.
Signed-off-by: Davidlohr Bueso <dbueso@suse.de> --- virt/kvm/async_pf.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c index bb298a200cd3..57bcb27dcf30 100644 --- a/virt/kvm/async_pf.c +++ b/virt/kvm/async_pf.c @@ -106,11 +106,7 @@ static void async_pf_execute(struct work_struct *work) trace_kvm_async_pf_completed(addr, gva); - /* - * This memory barrier pairs with prepare_to_wait's set_current_state() - */ - smp_mb(); - if (swait_active(&vcpu->wq)) + if (swq_has_sleeper(&vcpu->wq)) swake_up(&vcpu->wq); mmput(mm); -- 2.12.0
| |