Re: [PATCH v2 1/2] mm/userfaultfd: Support WP on multiple VMAs

From: Peter Xu
Date: Fri Feb 17 2023 - 11:05:01 EST


On Fri, Feb 17, 2023 at 03:59:25PM +0500, Muhammad Usama Anjum wrote:
> > But what if the user wants to do that during when you're tracing it using
> > userfaultfd? Can it happen?
> Sorry, I've not tested tracing.

No worry. It's not a request to test tracing; it's more or less to make
sure it works for you if it cannot trace a program that uses uffd. If it's
not a problem to you, then it's not a problem to me either. And it's not
anything special to async but in general to uffd. Thanks,

--
Peter Xu