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Date: Tue, 04 Oct 2005 08:45:40 -0700
From: Nate Lawson <nate@root.org>
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To: John Baldwin <jhb@FreeBSD.org>
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Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: Re: cvs commit: src/sys/i386/i386 apic_vector.s mp_machdep.c    
 src/sys/i386/include smptests.h
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John Baldwin wrote:
> jhb         2005-10-04 15:15:22 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:        (Branch: RELENG_6)
>     sys/i386/i386        apic_vector.s mp_machdep.c 
>     sys/i386/include     smptests.h 
>   Log:
>   MFC: Add interrupt counters for IPIs.
>   
>   Approved by:    re (scottl)

Any idea why we're invalidating ranges of pages so much with MP 
contention?  Is it perhaps that lazy context switching is a pessimization?

-- 
Nate