Displaying 1 result from an estimated 1 matches for "__startup_pirq".
2013 Aug 29
6
[PATCH 2/3 v3] Refactor MSI restore call-chain to drop unnecessary argument
...9;s different.
Driver init call graph under initial domain:
driver_init->
msix_capability_init->
msix_program_entries->
msix_mask_irq->
entry->masked = 1
request_irq->
__setup_irq->
irq_startup->
__startup_pirq->
EVTCHNOP_bind_pirq hypercall (trap into Xen)
[Xen:]
pirq_guest_bind->
startup_msi_irq->
unmask_msi_irq->
msi_set_mask_bit->
entry->msi_attrib.masked = 0
So entry->msi_attrib.masked in xen side always has newest v...