FYI, we noticed the below changes on
https://git.kernel.org/pub/scm/linux/kernel/git/daveh/x86-pkeys.git pkeys-v003.1
commit 47a16b763553948fb01da3763608772b886ed9cb ("x86, fpu: XSAVE macro
renames")
We found the following new message in kernel log.
[ 0.887271] CPU feature '(null)' is not supported.
Thanks,
Ying Huang