On 17/07/19 14:59, Collin Walling wrote: > On 7/16/19 11:04 AM, Thomas Huth wrote: >> On 16/07/2019 15.06, Markus Armbruster wrote: >>> Paolo Bonzini <pbonz...@redhat.com> writes: >>> >>>> On 15/07/19 18:12, Cornelia Huck wrote: >>>>>> Is it INTx vs. MSI vs. MSI-X? >>>>> >>>>> I think for s390x we need (INTx || MSI) vs MSI-X... >>>> >>>> I think MSI vs MSI-X is just how it's configured, not the actual >>>> behavior, so it should be irrelevant. >>> >>> My best guesses from confusing information, please correct >>> misunderstandings: >>> >>> 1. PCI devices need to support MSI or MSI-X to work with s390x. >> >> I think Cornelia mentioned that we might even require MSI-X there ... >> Collin (being listed as "S390 PCI" maintainer), can you confirm? > > MSI-X is mandatory for PCI devices in the s390 architecture.
How are MSI and MSI-X distinguished? Paolo
