> Ingo, do your new spin_lock() functions clobber any registers? This
> would further increase the costs in "real life".
which one do you mean? The 'LOCK-less' does, but i included those costs in
the 15 cycles number. [such spinlocks would not be inlined] The 'decl' one
[for which i've sent the patch] doesnt clobber any register.
-- mingo
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