Re: [RFC 0/5] perf: Per PMU access controls (paranoid setting)

From: Jann Horn
Date: Mon Oct 01 2018 - 12:15:33 EST


On Mon, Oct 1, 2018 at 6:12 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
> From a design POV, Jann's idea to have a per PMU special file which you
> need to open for getting access is way better than the extra knobs. It
> allows to use all existing security mechanisms to be used.

(That was Mark's idea, not mine, I just agree with his idea a lot.)