Re: [Patch 3/3] prepopulate/cache cleared pages

[Andrea Arcangeli]

On Fri, Feb 24, 2006 at 01:27:26PM +0100, Andi Kleen wrote:
> I used the generic algorithm because Andrea originally expressed some doubts 
> on the correctness of the xadd algorithms and after trying to understand them 
> myself I wasn't sure myself. Generic was the safer choice.

Amittedly we never had bugreports for the xadd ones, but trust me that's
not a good reason to assume that they must be correct. I'd be more
confortable if somebody would provide a demonstration of their
correctnes. Overall I gave up also because I felt that the small gain
was by far not worth the risk.
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