Re: [PATCH 1/3] x86: fix access_ok() and valid_user_address() using wrong USER_PTR_MAX in modules

[Borislav Petkov]

On Thu, Nov 06, 2025 at 02:19:06PM +0100, Mateusz Guzik wrote:
> Then, as I pointed out, you should be protesting the patching of
> USER_PTR_MAX as it came with no benchmarks

That came in as a security fix. I'd say correctness before performance. And if
anyone finds a better and faster fix and can prove it, I'm all ears.

> and also resulted in a regression.

Oh well, shit happens on a daily basis. And then we fix it and move on.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette