Re: [RFC PATCH v2 1/2] mm/userfaultfd: fix memory corruption due to writeprotect

[Peter Zijlstra]

On Mon, Jan 04, 2021 at 02:24:38PM -0500, Andrea Arcangeli wrote:
> The problematic one not pictured is the one of the wrprotect that has
> to be running in another CPU which is also isn't picture above. More
> accurate traces are posted later in the thread.

What thread? I don't seem to have discovered it yet, and the cover
letter from Nadav doesn't seem to have a msgid linking it either.