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From: Sean Bruno <seanbru@yahoo-inc.com>
To: Kostik Belousov <kostikbel@gmail.com>
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Date: Sun, 25 Jul 2010 15:17:15 -0700
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Cc: freebsd-current <freebsd-current@freebsd.org>
Subject: Re: [patch and review please] 64 CPU Support
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On Sun, 2010-07-25 at 13:57 -0700, Kostik Belousov wrote:
> On Sun, Jul 25, 2010 at 01:48:53PM -0700, Sean Bruno wrote:
> > Reposting from -stable.  
> > 
> > Kind of a large patch, but in order to make an omlette, you need to
> > break a few servers.
> > 
> > This is a diff against -CURRENT, not stable-8 as I didn't get a chance
> > to test it.  It is directly based off of changes that peter@ made to the
> > Yahoo FreeBSD 7 tree.
> > 
> > I have compile and boot tested this on my local machines, but I don't
> > have 64 CPU machines to test upon.
> > 
> > Sean
> > 
> 
> Very low-priority comment (I looked at the patch at the time it was
> posted to stable@). Nice thing about the patch is that it presumably
> identifies all the places that depend on the wideness of the cpu
> mask. Would it make sense to abstract the cpumask operations with
> some macros to not repeat the search for the places when 64 will
> be too narrow again ?

What do you mean?  Can you give me a quick example?  

Sean