diff mbox

[2/7] kvm,async_pf: Use swq_has_sleepers()

Message ID 20170913200824.28067-3-dave@stgolabs.net (mailing list archive)
State New, archived
Headers show

Commit Message

Davidlohr Bueso Sept. 13, 2017, 8:08 p.m. UTC 
... 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 mbox

Patch

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);