dma user config

[Simon 'corecode' Schubert]

Matthew Dillon wrote:
    It is far less safe if you allow the user to exec a suid program.  I
    really hate SUID binaries and would recommend against them.  A mail
    front-end, for example, should connect to a service already running
    as root and NOT itself be a SUID binary.
    If I were to give advise here, it would be 'don't worry about the
    peformance cost of doing a fork()'.
Oh, sure.  I just also wanted to avoid having to have a process running 
all the time.  Right now every dma instance cares about itself and does 
all queueing, etc.  Once it has done its job, it quits.

Running a setuid root binary or having root starting a setuid process 
doesn't make much of a difference, no?

cheers
  simon
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