Re: [PATCH 6/8] x86: Provide API for local kernel TLB flushing
From: Andy Lutomirski <luto@kernel.org>
Date: 2020-06-16 16:59:48
Also in:
linux-security-module, lkml
On Tue, Jun 16, 2020 at 12:49 AM Kees Cook [off-list ref] 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.