Re: [PATCH v2] xen-bus: reduce scope of backend watch

2020-10-01 Thread Anthony PERARD
On Thu, Oct 01, 2020 at 09:15:00AM +0100, Paul Durrant wrote: > From: Paul Durrant > > Currently a single watch on /local/domain/X/backend is registered by each > QEMU process running in service domain X (where X is usually 0). The purpose > of this watch is to ensure that QEMU is notified when t

[PATCH v2] xen-bus: reduce scope of backend watch

2020-10-01 Thread Paul Durrant
From: Paul Durrant Currently a single watch on /local/domain/X/backend is registered by each QEMU process running in service domain X (where X is usually 0). The purpose of this watch is to ensure that QEMU is notified when the Xen toolstack creates a new device backend area. Such a backend area