Re: [PATCH 07/32] mm: Bring back vmalloc_exec

From: Kent Overstreet
Date: Tue Jun 20 2023 - 14:08:52 EST


On Tue, Jun 20, 2023 at 10:42:02AM -0700, Andy Lutomirski wrote:
> Code is either correct, and comes with an explanation as to how it is
> correct, or it doesn't go in. Saying that something is like BPF is
> not an explanation as to how it's correct. Saying that someone has
> not come up with the chain of events that causes a mere violation of
> architecture rules to actual incorrect execution is not an explanation
> as to how something is correct.

No, I'm saying your concerns are baseless and too vague to address.

> text_poke() by itself is *not* the proper API, as discussed. It
> doesn't serialize adequately, even on x86. We have text_poke_sync()
> for that.

Andy, I replied explaining the difference between text_poke() and
text_poke_sync(). It's clear you have no idea what you're talking about,
so I'm not going to be wasting my time on further communications with
you.