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

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> On Jan 5, 2021, at 12:13 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> 
> 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.

Sorry for that:

https://lore.kernel.org/lkml/X+K7JMrTEC9SpVIB@xxxxxxxxxx/T/





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