Re: [Xen-devel] [PATCH v5 10/10] AMD/IOMMU: restrict interrupt remapping table sizes

2019-09-18 Thread Jan Beulich
On 18.09.2019 12:45, Andrew Cooper wrote: > On 18/09/2019 09:11, Jan Beulich wrote: >> On 17.09.2019 17:30, Andrew Cooper wrote: >>> On 06/08/2019 14:11, Jan Beulich wrote: There's no point setting up tables with more space than a PCI device can use. For both MSI and MSI-X we can

Re: [Xen-devel] [PATCH v5 10/10] AMD/IOMMU: restrict interrupt remapping table sizes

2019-09-18 Thread Andrew Cooper
On 18/09/2019 09:11, Jan Beulich wrote: > On 17.09.2019 17:30, Andrew Cooper wrote: >> On 06/08/2019 14:11, Jan Beulich wrote: >>> There's no point setting up tables with more space than a PCI device can >>> use. For both MSI and MSI-X we can determine how many interrupts could >>> be set up at

Re: [Xen-devel] [PATCH v5 10/10] AMD/IOMMU: restrict interrupt remapping table sizes

2019-09-18 Thread Jan Beulich
On 17.09.2019 17:30, Andrew Cooper wrote: > On 06/08/2019 14:11, Jan Beulich wrote: >> There's no point setting up tables with more space than a PCI device can >> use. For both MSI and MSI-X we can determine how many interrupts could >> be set up at most. Tables allocated during ACPI table

Re: [Xen-devel] [PATCH v5 10/10] AMD/IOMMU: restrict interrupt remapping table sizes

2019-09-17 Thread Andrew Cooper
On 06/08/2019 14:11, Jan Beulich wrote: > There's no point setting up tables with more space than a PCI device can > use. For both MSI and MSI-X we can determine how many interrupts could > be set up at most. Tables allocated during ACPI table parsing, however, > will (for now at least) continue