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kvm,async_pf: Use swq_has_sleeper()

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... 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 <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
This commit is contained in:
Davidlohr Bueso 2017-09-13 13:08:19 -07:00 • committed by Paolo Bonzini
commit b9f67a420b
1 changed files with 1 additions and 5 deletions
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6
virt/kvm/async_pf.c
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@ -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);