what is the rationale for "TAINT_USER"?

  i can see what the theoretical purpose for it is here:

http://kerneltrap.org/node/6656

but it's not clear how it can possibly be set from userland given
that:

$ grep -r TAINT_USER *
include/linux/kernel.h:#define TAINT_USER                       (1<<6)
kernel/panic.c:                 tainted & TAINT_USER ? 'U' : ' ',
$

  am i missing something screamingly obvious?

rday
-- 
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

http://crashcourse.ca
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