Messages in this thread | | | Date | Fri, 23 Dec 2005 06:51:18 -0800 | From | Andrew Morton <> | Subject | Re: [patch 0/9] mutex subsystem, -V4 |
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Nicolas Pitre <nico@cam.org> wrote: > > How can't you get the fact that semaphores could _never_ be as simple as > mutexes? This is a theoritical impossibility, which maybe turns out not > to be so true on x86, but which is damn true on ARM where the fast path > (the common case of a mutex) is significantly more efficient. >
I did notice your comments. I'll grant that mutexes will save some tens of fastpath cycles on one minor architecture. Sorry, but that doesn't seem very important. - 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/
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