On Mon, May 30, 2005 at 04:20:42PM +0530, Dipankar Sarma wrote:
> I would appreciate if someone tests this on an arch without
> cmpxchg (sparc32??). I intend to run some more tests
> with preemption enabled and also on ppc64 myself.
sparc32 SMP is not going to be a good choice for this. By and large
ll/sc -style architectures don't have explicit cmpxchg instructions so
ppc64 at least nominally fits the bill. SMP Alpha testing may also be
enlightening (as usual).
-- wli
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