Re: memset (was: Redundant memset in AIO read_events)

Arjan van de Ven (arjanv@redhat.com)
Thu, 10 Jul 2003 10:33:17 +0000

On Thu, Jul 10, 2003 at 12:29:10PM +0200, Andi Kleen wrote:
> The problem is that the instruction that avoid write-allocate usually also force
> the result out of cache.

that's for the current implementation; rep stosl may get the WA-avoiding
behavior sometime without the negative cache effects.. someday maybe.
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