Merge branch 'locking/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull in locking/core from tip (just a single patch) to avoid a conflict
with a jump_label change needed by a TCP cleanup.

Link: https://lore.kernel.org/all/Y4B17nBArWS1Iywo@hirez.programming.kicks-ass.net/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>