Re: PATCH 2.3.26: kmalloc GFP_ZERO

Alan Cox (alan@lxorguk.ukuu.org.uk)
Tue, 9 Nov 1999 23:03:09 +0000 (GMT)

> about? Yes, perhaps most broken x86 chips don't allow this
> to happen (but I bet their microcode can do these sorts of
> things if we ever reverse engineered that), but expect more
> cpus in the future to provide these sorts of things, not less.

The Preventium III has cache bypass and burst stuff in the KNI instructions
so once Doug's stuff is in it doesn't hold there either.

> Most L1 data caches are not write-allocate anyways.

Enough are it is a relevant consideration

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