Re: [PATCH v3] vPCI: account for hidden devices

2023-05-30 Thread Stefano Stabellini
On Tue, 30 May 2023, Jan Beulich wrote: > Hidden devices (e.g. an add-in PCI serial card used for Xen's serial > console) are associated with DomXEN, not Dom0. This means that while > looking for overlapping BARs such devices cannot be found on Dom0's list > of devices; DomXEN's list also needs to

Re: [PATCH v3] vPCI: account for hidden devices

2023-05-30 Thread Jan Beulich
On 30.05.2023 15:36, Roger Pau Monné wrote: > On Tue, May 30, 2023 at 02:38:56PM +0200, Jan Beulich wrote: >> Hidden devices (e.g. an add-in PCI serial card used for Xen's serial >> console) are associated with DomXEN, not Dom0. This means that while >> looking for overlapping BARs such devices can

Re: [PATCH v3] vPCI: account for hidden devices

2023-05-30 Thread Roger Pau Monné
On Tue, May 30, 2023 at 02:38:56PM +0200, Jan Beulich wrote: > Hidden devices (e.g. an add-in PCI serial card used for Xen's serial > console) are associated with DomXEN, not Dom0. This means that while > looking for overlapping BARs such devices cannot be found on Dom0's list > of devices; DomXEN'

[PATCH v3] vPCI: account for hidden devices

2023-05-30 Thread Jan Beulich
Hidden devices (e.g. an add-in PCI serial card used for Xen's serial console) are associated with DomXEN, not Dom0. This means that while looking for overlapping BARs such devices cannot be found on Dom0's list of devices; DomXEN's list also needs to be scanned. Suppress vPCI init altogether for r