This is a note to let you know that I've just added the patch titled x86/mce: Add Xeon Sapphire Rapids to list of CPUs that support PPIN to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: x86-mce-add-xeon-sapphire-rapids-to-list-of-cpus-that-support-ppin.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it.