Re: [PATCH 25/43] x86/mm/kaiser: Unmap kernel from userspace page tables (core patch)

[Peter Zijlstra]

On Fri, Nov 24, 2017 at 10:14:30AM +0100, Ingo Molnar wrote:
> +The minimalistic kernel portion of the user page tables try to
> +map only what is needed to enter/exit the kernel such as the
> +entry/exit functions themselves and the interrupt descriptor
> +table (IDT).  

                There are a few unnecessary things that get mapped
> +such as the first C function when entering an interrupt (see
> +comments in kaiser.c).

If I understood Andy's patches correctly, this should no longer be
required. Is this text still correct?