On Tue, Jul 14, 2020 at 05:39:30AM +0000, Andersen, John wrote: > With regards to FSGSBASE, are we open to validating and adding that to the > DEFAULT set as a part of a separate patchset? This patchset is focused on > replicating the functionality we already have natively. Kees added FSGSBASE pinning in commit a13b9d0b97211 ("x86/cpu: Use pinning mask for CR4 bits needing to be 0"), so I believe it's a done deal already.