This is a note to let you know that I've just added the patch titled KVM: SVM: Drop DEBUGCTL[5:2] from guest's effective value to the 6.6-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: kvm-svm-drop-debugctl-from-guest-s-effective-value.patch and it can be found in the queue-6.6 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it.