Re: Scheduling of low-priority background processes

[Kevin Easton]

I foolishly muttered:

> What if the SCHED_IDLE behaviour only applies when the process 
> is in userspace? Couldn't scheduler compare the process's 
> instruction pointer against the kernel/user break point, and 
> if the process is in the kernel, then just treat it like a 
> normal process? 

...eek.   I clearly wasn't thinking straight with that one.  There
isn't a (non-disgusting) way of determining in the scheduler if a
process is executing a syscall apart from sys_sched_yield, is there.

Carry on...

   - Kevin.