diff options
Diffstat (limited to 'Documentation/virtual/kvm/devices/s390_flic.txt')
| -rw-r--r-- | Documentation/virtual/kvm/devices/s390_flic.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/devices/s390_flic.txt b/Documentation/virtual/kvm/devices/s390_flic.txt index 6b557953066a..410fa673e5b6 100644 --- a/Documentation/virtual/kvm/devices/s390_flic.txt +++ b/Documentation/virtual/kvm/devices/s390_flic.txt @@ -11,6 +11,7 @@ FLIC provides support to - add interrupts (KVM_DEV_FLIC_ENQUEUE) - inspect currently pending interrupts (KVM_FLIC_GET_ALL_IRQS) - purge all pending floating interrupts (KVM_DEV_FLIC_CLEAR_IRQS) +- enable/disable for the guest transparent async page faults Groups: KVM_DEV_FLIC_ENQUEUE @@ -34,3 +35,12 @@ Groups: KVM_DEV_FLIC_CLEAR_IRQS Simply deletes all elements from the list of currently pending floating interrupts. No interrupts are injected into the guest. + + KVM_DEV_FLIC_APF_ENABLE + Enables async page faults for the guest. So in case of a major page fault + the host is allowed to handle this async and continues the guest. + + KVM_DEV_FLIC_APF_DISABLE_WAIT + Disables async page faults for the guest and waits until already pending + async page faults are done. This is necessary to trigger a completion interrupt + for every init interrupt before migrating the interrupt list. |