Messages in this thread |  | | Date | Mon, 13 Jan 2003 02:45:16 -0500 | From | Jeff Garzik <> | Subject | Re: [PATCH] __cacheline_aligned_in_smp? |
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On Mon, Jan 13, 2003 at 06:24:40PM +1100, Rusty Russell wrote: > Dave: Anton suggested you might have a justification for > __cacheline_aligned doing something on UP? > > I think I'd prefer __cacheline_aligned to be the same as > __cacheline_aligned_in_smp, and have a new __cacheline_aligned_always > for those who REALLY want it (if any).
See the recent thread on tg3 and cacheline_aligned for David's description... I and one other did some performance measurements and ____cacheline_aligned proved useful even on UP...
sigh. I wish I had caught you on IRC.
Don't you think changing the meaning of cacheline_aligned, and adding a new __cacheline_aligned_always to mean what it used to, is completely pointless churn??
Jeff
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