On Fri, 08 Apr 2005 07:52:34 +0400 Evgeniy Polyakov <[EMAIL PROTECTED]> wrote:
> sparc64 has 32->64 conversation on exit. It's extremely cheap, the conversion instruction pairs with the retl instruction so it's essentially free. Talking about an arithmetic instruction over is complete nonsense when the atomic CAS instruction itself takes a minimum of 32 processor cycles :-) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
