Messages in this thread | | | Date | Mon, 11 Feb 2008 07:04:30 -0800 | From | Arjan van de Ven <> | Subject | Re: [PATCH] [7/8] CPA: Don't flush caches on CPUs that support self-snoop |
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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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