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From: Marcel Moolenaar <marcel@xcllnt.net>
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To: Nathan Whitehorn <nwhitehorn@freebsd.org>
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Subject: Re: svn commit: r222434 - head/sys/powerpc/include
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On May 28, 2011, at 5:42 PM, Nathan Whitehorn wrote:

> On 05/28/11 19:40, Marcel Moolenaar wrote:
>> Author: marcel
>> Date: Sun May 29 00:40:59 2011
>> New Revision: 222434
>> URL: http://svn.freebsd.org/changeset/base/222434
>>=20
>> Log:
>>   The P4080 has 8 cores. Bump MAXCPU to 8 to match.
>=20
> Can we just bump this straight to 32, like on other archs? We're very =
near to supporting many-way POWER6 and POWER7 systems anyway, and a =
single-socket POWER7 can already have 32 CPUs.

We could, but I'm not sure I should be concerned about the
"scaling" of the various arrays in the kernel due to MAXCPU.
This with an eye on small embedded devices that do 2-way SMP.

I've never liked this constant anyway to be honest. It's either
too big or too small. I don't think it'll ever be right :-)

--=20
Marcel Moolenaar
marcel@xcllnt.net