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SubjectRe: Pentium M config option for 2.6
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On Sun, 04 Jan 2004 11:33:08 EST, Rob Love said:

> I actually like this patch (perhaps since I have a P-M :) and think it
> ought to go in, although I agree with others that the P-M is more of a
> super-P3 than a scaled down P4.

Same here - /proc/cpuinfo says:

vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Pentium(R) 4 Mobile CPU 1.60GHz

Question for those more knowledgeable: Are there any known Pentium4 features
enabled in the kernel with the PENTIUM4 options that simply Will Not Work on a
4M chipset (similar to a kernel built for a 586 not working on a 486), or are
the differences limited to "sub-optimal performance" (for example, compiling
with -mpentium4 results in code that runs but schedules less optimally)? If
there are, they must be fairly obscure corner cases, since I haven't knowingly
hit one in several months.. :)

2.7 timeframe - are there any added features of a P4 core we would *like*
to exploit that aren't on a P4M?
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