Re: [PATCH v7 03/26] x86/fpu/xstate: Add CET supervisor mode state support

[Peter Zijlstra]

On Fri, Nov 24, 2023 at 12:53:07AM -0500, Yang Weijiang wrote:

> Note, in KVM case, guest CET supervisor state i.e., IA32_PL{0,1,2}_MSRs,
> are preserved after VM-Exit until host/guest fpstates are swapped, but
> since host supervisor shadow stack is disabled, the preserved MSRs won't
> hurt host.

Just to be clear, with FRED all this changes, right? Then we get more
VMCS fields for SSS state.