diff options
Diffstat (limited to 'virt/kvm/async_pf.c')
| -rw-r--r-- | virt/kvm/async_pf.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/virt/kvm/async_pf.c b/virt/kvm/async_pf.c index 5f8f3e8b5add..45799606bb3e 100644 --- a/virt/kvm/async_pf.c +++ b/virt/kvm/async_pf.c @@ -164,7 +164,9 @@ int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, if (vcpu->async_pf.queued >= ASYNC_PF_PER_VCPU) return 0; - /* setup delayed work */ + /* Arch specific code should not do async PF in this case */ + if (unlikely(kvm_is_error_hva(hva))) + return 0; /* * do alloc nowait since if we are going to sleep anyway we @@ -183,24 +185,15 @@ int kvm_setup_async_pf(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, mmget(work->mm); kvm_get_kvm(work->vcpu->kvm); - /* this can't really happen otherwise gfn_to_pfn_async - would succeed */ - if (unlikely(kvm_is_error_hva(work->addr))) - goto retry_sync; - INIT_WORK(&work->work, async_pf_execute); - if (!schedule_work(&work->work)) - goto retry_sync; list_add_tail(&work->queue, &vcpu->async_pf.queue); vcpu->async_pf.queued++; - kvm_arch_async_page_not_present(vcpu, work); + work->notpresent_injected = kvm_arch_async_page_not_present(vcpu, work); + + schedule_work(&work->work); + return 1; -retry_sync: - kvm_put_kvm(work->vcpu->kvm); - mmput(work->mm); - kmem_cache_free(async_pf_cache, work); - return 0; } int kvm_async_pf_wakeup_all(struct kvm_vcpu *vcpu) |