On Tue, Jan 17, 2023 at 10:27 AM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > The cpu_relax() is exactly the wrong thing to do here. See this thread: > https://lore.kernel.org/linux-fsdevel/20230113184447.1707316-1-mjguzik@xxxxxxxxx/ If you are right, feel free to go and remove every cpu_relax() under the kernel/locking directory.