Re: UUIDs (and devfs and major/minor numbers)

H. Peter Anvin (hpa@transmeta.com)
18 Jun 1999 05:31:04 GMT


Followup to: <Pine.LNX.3.96.990617172848.17421E-100000@cu.mol.plethora.net>
By author: Daniel Taylor <dante@plethora.net>
In newsgroup: linux.dev.kernel
>
> If there is no policy involved in syscall numbers, Major/Minor assignments
> and /proc entries, THEN THERE IS NO POLICY SET BY DEVFS EITHER.
>
> C'mon guys, some consistency in the opposition at least.
>
> Daniel Taylor
>

Actually, there is. The /dev directory is a mapping table between the
kernel interface (as well as providing a store for permissions), and
devfs removes this.

The equivalent level of indirection for syscall numbers is libc.

-hpa

-- 
"The user's computer downloads the ActiveX code and simulates a 'Blue
Screen' crash, a generally benign event most users are familiar with
and that would not necessarily arouse suspicions."
-- Security exploit description on http://www.zks.net/p3/how.asp

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