Re: [PATCH 6/8] x86: Provide API for local kernel TLB flushing

[Andy Lutomirski]

On Tue, Jun 16, 2020 at 12:49 AM Kees Cook <keescook@xxxxxxxxxxxx> wrote:
>
> The seccomp constant action bitmap filter evaluation routine depends
> on being able to quickly clear the PTE "accessed" bit for a temporary
> allocation. Provide access to the existing CPU-local kernel memory TLB
> flushing routines.

Can you write a better justification?  Also, unless I'm just
incompetent this morning, I can't find anyone calling this in the
series.