On 16 October 2017 at 14:09, Laurent Vivier <laur...@vivier.eu> wrote:
> For this part, yes, but I think for the other comment, STRUCT(mtget,
> ...) needs to be updated.

Looking more closely I don't think it is as simple as just
adjusting the STRUCT() definition. For a basic type that can
be different on host and guest, I think we'd need to handle
it the way we do the TYPE_OLDDEVT, with special support
in the thunk code for figuring out how large it is and so on.
That seems like a lot of work for a magtape ioctl that I
suspect nobody's using and which we can't test...

Applying this patch as-is would at least fix the ioctl
for everything except MIPS and SPARC hosts and guests.

thanks
-- PMM

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