Messages in this thread | | | Date | Sun, 8 Jan 2006 00:00:21 -0800 | From | Andrew Morton <> | Subject | Re: PowerPC fastpaths for mutex subsystem |
| |
Anton Blanchard <anton@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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |