Re: userspace irq balancer

[William Lee Irwin III (wli@holomorphy.com)]

On Mon, 26 May 2003, William Lee Irwin III wrote:
>> It's done to acknowledge every interrupt. Also, there is additional
>> cost associated with bouncing the lock's cacheline.

On Mon, May 26, 2003 at 10:45:20PM -0400, Zwane Mwaikambo wrote:
> Bah, determining owning ioapic of an irq would get too ugly, you can have 
> the same irq connected to multiple ioapics so which to lock?

It tends to be all or one, detectable with IO_APIC_IRQ().


-- wli
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/