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Subject: Re: cvs commit: src/sys/i386/i386 pmap.c
In-Reply-To: <199805151702.KAA07926@rah.star-gate.com> from Amancio Hasty at "May 15, 98 10:02:01 am"
To: hasty@rah.star-gate.com (Amancio Hasty)
Date: Fri, 15 May 1998 15:21:32 -0500 (EST)
Cc: dyson@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG,
        cvs-sys@FreeBSD.ORG
From: "John S. Dyson" <dyson@FreeBSD.ORG>
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Amancio Hasty said:
>
> Can you make a sysctl variable option which when sets it enables the 
> Auto-Write combining feature?
> 
It is tricky to do the write combining after booting on an SMP box.  I
still haven't implemented the IPI code to support it.  I guess that
it could be easily done on a UP box though.

-- 
John                  | Never try to teach a pig to sing,
dyson@freebsd.org     | it just makes you look stupid,
jdyson@nc.com         | and it irritates the pig.