Messages in this thread | | | Date | Thu, 08 May 2008 14:40:01 +0200 | From | Rene Herman <> | Subject | Re: [PATCH] x86: introduce a new Linux defined feature flag for PAT support |
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On 08-05-08 12:19, Andi Kleen wrote:
>> Use a new Linux defined X86_FEATURE_PAT_GOOD feature flag to > > Better would be PAT_TESTED or PAT_RANDOMLY_APPROVED. Most of these > CPUs without PAT_GOOD have actually perfectly good PAT, as Windows > proves every day. > > The main flaw in all of this of course is that there is no procedure > to test CPUs which do not have the flag set yet.
Quite. And hiding the fact that the CPU _should_ have perfectly good PAT doesn't help any at all. The discussion turned into a mini-flame war enough that now noone would even consider backing down, but this current PAT setup just sucks plain and simple.
Rene.
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