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On Wed, 2002-01-16 at 16:19, Justin Carlson wrote: > Don't forget that, in non-x86 land, current tends to be just kept in a > register. No computations required. Certainly passing it around on, > e.g. mips is a clear loss. current is stored in a register (esp) in x86, too. This is why I cautioned that looking up current was cheap -- I think every sane arch stores current in some fast access way. That's why it is a macro -- it is assembly code to quickly snag the address. So is passing current still worth it? Robert Love - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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