Date: Sat, 14 Dec 2002 15:27:40 -0800
Michael Davidson wrote:
If you think that the "rule" is "no ISR
can touch user space while
interrupting a kernel process", then it is display() that breaks
the rule.
The point is, that this rule leads to somewhat simpler and therefore
better code -- breaking the rule calls for some justification.
Calling display() from the clock-ISR is the only place where an ISR does
not conform to this rule.
Greetings
Wolfgang Helbig