Re: [Xen-devel] [PATCH v3 10/10] x86/MSI-X: provide hypercall interface for mask-all control

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 19.06.15 at 16:07, <roger.pau@xxxxxxxxxx> wrote:
> I don't mind adding a PHYSDEVOP_pci_mmcfg_reserved call to FreeBSD, but
> for it to have any effect we need to stop unconditionally mapping
> everything as MMIO regions on PVH Dom0.

Right, I didn't mean to imply PVH would have any chance of working
right now.

But what you didn't respond to is the (kind of implicit I admit) question
of whether FreeBSD is using MMCFG accesses for the low 256 bytes
of the config space. (I note that there's one special case in Linux -
NumaChip - whether this is the case.)

Jan


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