Re: [Xen-devel] IOMMU page-tables

2019-07-18 Thread Andrew Cooper
On 18/07/2019 12:16, Jan Beulich wrote: > On 18.07.2019 12:13, Andrew Cooper wrote: >> On 18/07/2019 10:49, Paul Durrant wrote: >>> Hi, >>> >>>Before I get too far into this I want to get some opinions from the >>> wider community... >>> >>>At the moment when the first PCI device is assign

Re: [Xen-devel] IOMMU page-tables

2019-07-18 Thread Jan Beulich
On 18.07.2019 12:13, Andrew Cooper wrote: > On 18/07/2019 10:49, Paul Durrant wrote: >> Hi, >> >>Before I get too far into this I want to get some opinions from the wider >> community... >> >>At the moment when the first PCI device is assigned to a domain (i.e. >> passed through) this wil

Re: [Xen-devel] IOMMU page-tables

2019-07-18 Thread Andrew Cooper
On 18/07/2019 10:49, Paul Durrant wrote: > Hi, > > Before I get too far into this I want to get some opinions from the wider > community... > > At the moment when the first PCI device is assigned to a domain (i.e. > passed through) this will trigger construction of IOMMU page tables for that

[Xen-devel] IOMMU page-tables

2019-07-18 Thread Paul Durrant
Hi, Before I get too far into this I want to get some opinions from the wider community... At the moment when the first PCI device is assigned to a domain (i.e. passed through) this will trigger construction of IOMMU page tables for that domain. Similarly when the last PCI device is de-ass