Re: [PATCH v4 0/3] Allow user space to restrict and augment MSR emulation
From: Jim Mattson
Date: Wed Aug 19 2020 - 18:09:21 EST
On Wed, Aug 19, 2020 at 2:46 PM Graf (AWS), Alexander <graf@xxxxxxxxx> wrote:
> Special MSRs like EFER also irritate me a bit. We can't really trap on them - most code paths just know they're handled in kernel. Maybe I'll add some sanity checks as well...
Why can't we intercept EFER?