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