Re: [PATCH v14 00/20] VFIO support for platform devices

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On Tue, 2015-03-10 at 18:42 +0100, Eric Auger wrote:
> Hi Baptiste,
> 
> Please add:
> Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx> on the whole series
> Tested-by: Eric Auger <eric.auger@xxxxxxxxxx> on the whole series except
> AMBA specific patches.
> 
> I currently exercise the following functionalities on Calxeda Midway HW:
> - MMIO read/write/mmap,
> - automasked IRQ + mask/unmask (NONE flag),
> - virqfd (unmask handler only).
> 
> Despite a new thorough review I failed in pointing out any new
> interesting issues in this series.
> 
> just minor points below:
> 
> - PIO regions: currently read/write/mmap is not supported. I can't
> figure out how much this is a problem at this point?

AIUI, nobody has any way to test this, which is why it's not
implemented.  I think we've done due diligence in accommodating PIO into
the vfio-platform framework though and hopefully it will be a simple
matter to add when someone has a use case for it.

> - nit: vfio_pci_intrs.c: may not need wait.h anymore after removal of
> virqfd code. may be added in vfio.h
> - nit: interrupt.h not needed at early stage in vfio_platform_private.h,
> until irq introduction
> - version of the driver: 0.10?

None of these seem like blockers, I'd be willing to accept header
cleanups as follow-on and driver versions are mostly arbitrary anyway.

> Since there is no real dependency on "[PATCH v4 0/6] vfio: type1:
> support for ARM SMMUS with VFIO_IOMMU_TYPE1" I hope we can get this
> upstreamed soon.

Me too, I also re-reviewed the series yesterday.  If Baptiste agrees
that there's no dependency on the other series, I can add your R-b/T-b,
do some additional testing, and queue the series for linux-next.
Thanks,

Alex

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