Date: Wed, 16 Jul 1997 17:15:35 -0700 From: David Greenman <dg@root.com> To: Steve Passe <smp@csn.net> Cc: smp@FreeBSD.ORG, current@FreeBSD.ORG Subject: Re: self modifying kernel code Message-ID: <199707170015.RAA04777@implode.root.com> In-Reply-To: Your message of "Wed, 16 Jul 1997 14:42:55 MDT." <199707162042.OAA09705@Ilsa.StevesCafe.com>
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>So what is the policy/reality of self-modifying code in the -current source? Basically, we don't allow self-modifying code. There are many reasons, for instance the kernel text is protect read-only to catch certain types of bad pointer references, but the main reason is that it's considered bad programming style, obscuring the operation of the code - usually with little or no gain. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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