Re: [PATCH 6/7] livepatch: Remove module_disable_ro() usage

[Josh Poimboeuf]

On Thu, Apr 16, 2020 at 11:28:25AM +0200, Miroslav Benes wrote:
> If I remember correctly, text_mutex must be held whenever text is modified 
> to prevent race due to the modification. It is not only about permission 
> changes even though it was how it manifested itself in our case.

Yeah, that's what confused me.  We went years without using text_mutex
and then only started using it because of a race with the permissions
changes.

-- 
Josh