Hi Baolu,

On Mon, Feb 14, 2022 at 8:35 AM Lu Baolu <[email protected]> wrote:
>
> Hi Adrian,
>
> > The solution is to prevent from allocating pasid table if those
> > devices are subdevices of the VMD device.
>
> Thanks for your patch!
>
> Is this the only patch that is needed to make VMD devices work in VT-d
> scalable mode?

Yes, it is. With this patch, the system can boot successfully and the
RAID device connected to the VMD device can be recognized by the host
OS. I also ran a simple IO stress on the RAID device by compiling
kernel `$ make -j $(nproc)`. Everything looks good.

-- Adrian
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