Re: Suppress pte soft-dirty bit with UFFDIO_COPY?

On Mon, May 12, 2025 at 10:16:12AM -0700, Kyle Huey wrote:
> Personally I don't think it's a real issue to have to create a
> sacrificial fd once at process initialization to see what features are
> available. I wouldn't have even said anything if the man page hadn't
> explicitly told me there was another way.

Yes, that's indeed the part that could be confusing and needs fixing.  Just
to keep a record (I have you copied), I sent the man-pages changes here:

https://lore.kernel.org/r/[email protected]

We can stick with the sacrificial fd until there's a solid clue showing
that we should introduce a new way to probe.

Thanks,

-- 
Peter Xu