Re: [PATCH v2 4/6] vfio/type1: Use consistent types for page counts

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No change in behavior observed from v1 on my config (DGX H100). Thanks!

Reviewed-by: "Mitchell Augustin" <mitchell.augustin@xxxxxxxxxxxxx>
Tested-by: "Mitchell Augustin" <mitchell.augustin@xxxxxxxxxxxxx>

On Tue, Feb 18, 2025 at 4:46 PM Peter Xu <peterx@xxxxxxxxxx> wrote:
>
> On Tue, Feb 18, 2025 at 03:22:04PM -0700, Alex Williamson wrote:
> > Page count should more consistently be an unsigned long when passed as
> > an argument while functions returning a number of pages should use a
> > signed long to allow for -errno.
> >
> > vaddr_get_pfns() can therefore be upgraded to return long, though in
> > practice it's currently limited by the batch capacity.  In fact, the
> > batch indexes are noted to never hold negative values, so while it
> > doesn't make sense to bloat the structure with unsigned longs in this
> > case, it does make sense to specify these as unsigned.
> >
> > No change in behavior expected.
> >
> > Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
>
> Reviewed-by: Peter Xu <peterx@xxxxxxxxxx>
>
> --
> Peter Xu
>


-- 
Mitchell Augustin
Software Engineer - Ubuntu Partner Engineering





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