Quoting r. Roland Dreier <[email protected]>:
> Subject: Re: AMD 8131 and MSI quirk
>
> Michael, now I'm not sure whether this will work for devices like the
> Mellanox PCI-X HCA, where the HCA device sits below a virtual PCI
> bridge. In that case we need to propagate the NO_MSI flag from the
> 8131 bridge to the Tavor bridge, right?
Yes, I tested on that system.
> And it has to work for
> systems like Sun V40Z where the PCI-X slots are hot-swappable (so the
> HCA and its bridge could be added later).
I expect it will work on hot swappable systems too: bus_flags are inherited
from parent to child bus.
--
Michael S. Tsirkin
Staff Engineer, Mellanox Technologies
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