[Info-vax] Android development Was Re: OT: Larry Ellison takes retirement as CEO of Oracle

[VAXman- at SendSpamHere.ORG]

In article <5421cb15$0$34340$b1db1813$79461190 at news.astraweb.com>, JF Mezei <jfmezei.spamnot at vaxination.ca> writes:
>OK, based on Mr Hoffman's message, I understand that system
>sercvice/user written system services are not granted privileges, they
>simply get to execute in either exec or kernel mode.
>
>However, my question still stands on how when I branch to a system
>service (or user written system service), the code is magically granted
>special status.  (and how that special status is revoked when it
>branches back.
>
>Side question:
>
>When code steps into kernel mode, does it have to bother enabling
>privileges needed to do the job, or does code execute with all
>privileges enabled (or more like no privileges checked) ?

Kernel mode is king.  In kernel mode you can do anything!  Privileges have
little to nothing to do with what you'd be doing in kernel mode.

-- 
VAXman- A Bored Certified VMS Kernel Mode Hacker    VAXman(at)TMESIS(dot)ORG

I speak to machines with the voice of humanity.