Messages in this thread | | | Date | Wed, 11 Jun 2008 10:35:41 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 2/5] x86: PAT: fix ambiguous paranoia check in pat_init() |
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Andreas Herrmann wrote: > > For Intel all family 0xf CPUs, and family 6 CPUs starting with model > 15 are whitelisted. >
Arg, sorry, I read the code brokenly. You're right, of course.
> There seem to be other Intel CPUs that advertise PAT support. > See cpuinfo output at http://gentoo-wiki.com/Safe_Cflags > E.g. Pentium M (model 13), Celeron (model 6), Pentium III (model 8). > (Not sure how correct this information is, though)
Yes, those all have PAT enabled.
> Turn the white- into a blacklist for those remaining CPUs until they > are verified?
Yes, that would be a suitable course of action; moving it to Intel-specific code. Then the Intel people can worry about lifting the remaining blacklisted CPUs.
-hpa
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