question about softirqs

Andi Kleen andi at firstfloor.org
Thu May 14 00:15:32 EST 2009


> "If a soft irq is raised in process context, raise_softirq() in
> kernel/softirq.c calls wakeup_softirqd() to make sure that ksoftirqd

softirqd is only used when the softirq runs for too long or when
there are no suitable irq exits for a long time.

In normal situations (not excessive time in softirq) they don't
do anything. 

-Andi

-- 
ak at linux.intel.com -- Speaking for myself only.



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