On Thursday, 9 December 2021 12:53:45 AM AEDT Jason Gunthorpe wrote:

quoted

I think a similar problem exists for device private fault handling as well and
it has been on my list of things to fix for a while. I think the solution is to
call try_get_page(), except it doesn't work with device pages due to the whole
refcount thing. That issue is blocking a fair bit of work now so I've started
looking into it.

Where is this?

 
Nothing posted yet. I've been going through the mailing list and the old
thread[1] to get an understanding of what is left to do. If you have any
suggestions they would be welcome.

[1] https://lore.kernel.org/all/20211014153928.16805-3-alex.sierra@amd.com/ (local)