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From: Steve Passe <smp@csn.net>
To: Wayne Scott <wscott@ichips.intel.com>
cc: smp@FreeBSD.ORG, current@FreeBSD.ORG
Subject: Re: self modifying kernel code 
In-reply-to: Your message of "Wed, 16 Jul 1997 15:45:25 PDT."
             <199707162245.PAA07524@pdxlx008.intel.com> 
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Date: Wed, 16 Jul 1997 17:35:01 -0600
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Hi,

> At startup the call is to a routine that computes the correct target
> address.  In the fixup routine you change the call address and then
> jump to the target directly.  It will be a long time before you
> actually execute the modified code.

and in the case of UP you would overlay the call with the jump near + nops, 
then jump directly to the jump near's target, so again plenty of time to 
flush...

--
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