Anton Blanchard <anton at samba.org> wrote: > > > > Doens't this mean that the sped-up mutexes are still slower than semaphores? > > Wasnt most of the x86 mutex gain a result of going from fair to unfair > operation? The current ppc64 semaphores are unfair. > What's "unfair"? Mutexes are FIFO, as are x86 semaphores.