Date: Tue, 28 Oct 1997 20:04:54 +0000 From: njs3@doc.ic.ac.uk (Niall Smart) To: Terry Lambert <tlambert@primenet.com>, njs3@doc.ic.ac.uk (Niall Smart) Cc: freebsd-hackers@freebsd.org Subject: Re: Loading code from userland Message-ID: <E0xQHsk-0007XH-00@ash2.doc.ic.ac.uk> In-Reply-To: Terry Lambert <tlambert@primenet.com> "Re: Loading code from userland" (Oct 28, 5:57pm)
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On Oct 28, 5:57pm, Terry Lambert wrote: [snip] > FreeBSD does not support the concept of more than two protection > domains, mostly because it aspires to run on more hardware than just > VAX and Intel processors, and some of that hardware only supports > two domain identities. I presume the two protection domains you refer to are user and supervisor modes. > In practice, the LKM will need to be frequently recompiled. A > procedurally abstract interface does not depend on structure > references, so this is another reason to use one instead of LKM's > (at least until there is a formal DDI/DKI specification). What do DDI/DDK stand for? Is there a project implementing them (you seem to think they are useful) Niall
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