Re: RCU question

[Zwane Mwaikambo]

On Fri, 10 Dec 2004, George Anzinger wrote:

> > But that's a deadlock and if you enable interrupts you race.
> 
> Again, I remind you we are in the idle task.  Nothing more important to do.
> Or do you mean that softirq_pending() will NEVER return false?
> 
> The other question is: "Is useful work being done?"

We're in the idle task but obviously interrupts (such as network) are 
still coming in. So you may take an interrupt after your while 
(softirq_pending()) loop has exited.
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