On 12/24/20 6:53 AM, David Woodhouse wrote: > From: David Woodhouse <d...@amazon.co.uk> > > With INTX or GSI delivery, Xen uses the event channel structures of CPU0. > > If the interrupt gets handled by Linux on a different CPU, then no events > are seen as pending. Rather than introducing locking to allow other CPUs > to process CPU0's events, just ensure that the PCI interrupts happens > only on CPU0. > > Signed-off-by: David Woodhouse <d...@amazon.co.uk>
Reviewed-by: Boris Ostrovsky <boris.ostrov...@oracle.com>
