Net stack serialization fix

[Nick Garnett]

Andrew Lunn <andrew.lunn@ascom.ch> writes:

> What happens when the stack sleeps at the well known sleep
> points. Surely it should unlock the mutex there so that other threads
> can use the stack?
> 

It will, the sleep() routine already does this. All the sleeps are
already inside splxxx() regions. All I am actually doing in the patch
is to claim the lock a little earlier and release it a little
later. The internal calls to splsoftnet() etc. in the stack
essentially become null operations.


-- 
Nick Garnett - eCos Kernel Architect
http://www.eCosCentric.com/