Am Mittwoch, 7. Dezember 2005 16:22 schrieb Arjan van de Ven:
> > On the other hand, Oliver needs to be careful about claiming too much. In
> > general atomic_t operations _are_ superior to the spinlock approach.
>
> No they're not. Both are just about equally expensive cpu wise,
> sometimes the atomic_t ones are a bit more expensive (like on parisc
> architecture). But on x86 in either case it's a locked cycle, which is
> just expensive no matter which side you flip the coin...
You are refering to SMP, aren't you?
Regards
Oliver
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