Re: userspace irq balancer

Andrew Morton
2003-05-27T01:46:05Z

William Lee Irwin III <wli@holomorphy.com> wrote:
>
> In
> the userspace implementation the reprogramming is done infrequently
> enough to make even significant cost negligible; in-kernel the cost
> is entirely uncontrolled and the rate of reprogramming unlimited.

eh?

#define MAX_BALANCED_IRQ_INTERVAL (5*HZ)
#define MIN_BALANCED_IRQ_INTERVAL (HZ/2)