Followup to: <[EMAIL PROTECTED]>
By author: Mikael Pettersson <[EMAIL PROTECTED]>
In newsgroup: linux.dev.kernel
>
> Before people get too exited about the x86 Page Attribute Table ...
> Does Linux use mode B (CR4.PSE=1) or mode C (CR4.PAE=1) paging?
> If so, known P6 errata must be taken into account.
> In particular, Pentium III errata E27 and Pentium II errata A56
> imply that only the low four PAT entries are working for 4KB
> pages, if CR4.PSE or CR4.PAE is enabled.
>
All of the above. Sounds like PAT should be declared broken on these
chips.
-hpa
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