This is a note to let you know that I've just added the patch titled ARM: fix build error when BPF_SYSCALL is disabled to the 5.15-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: arm-fix-build-error-when-bpf_syscall-is-disabled.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it.