Re: [PATCH] x86: introduce a new Linux defined feature flag for PATsupport

[Rene Herman]

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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