On Fri, Dec 23, 2005 at 06:51:18AM -0800, Andrew Morton wrote:
> Nicolas Pitre <[email protected]> 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.
Wow.
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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