Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that support self-snoop

Arjan van de Ven
2008-02-11T15:05:27Z

On Mon, 11 Feb 2008 10:50:22 +0100 (CET)
Andi Kleen <ak@suse.de> wrote:

>
> [2.6.25 candidate I believe]
>
> The specification of SS in the public manuals is a little unclear,
> but I got confirmation from Intel that SS implies that there is no
> cache flush needed on caching attribute changes.

I'm hearing slightly different information, but am still chasing this one.
It might be better to delay this one to .26 ;-(
(I would very much like to avoid the cache flush but... it really HAS to be safe)

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