Re: [announce] [patch] limiting IRQ load, irq-rewrite-2.4.11-B5

From: jamal (hadi@cyberus.ca)
Date: Mon Oct 08 2001 - 10:09:57 EST


On Mon, 8 Oct 2001, Alan Cox wrote:

> NAPI is important - the irq disable tactic is a last resort. If the right
> hardware is irq flood aware it should only ever trigger to save us from
> irq routing errors (eg cardbus hangs)

Agreed. As long as the IRQ flood protector can do proper isolation.
Here's hat i see on my dell latitude laptop with a built in ethernet (not
cardbus related ;->)

-------------------------------
[root@jzny /root]# cat /proc/interrupts
           CPU0
  0: 29408219 XT-PIC timer
  1: 332192 XT-PIC keyboard
  2: 0 XT-PIC cascade
 10: 643040 XT-PIC Texas Instruments PCI1410 PC card Cardbus
Controller, eth0
 11: 17 XT-PIC usb-uhci
 12: 2207062 XT-PIC PS/2 Mouse
 14: 307504 XT-PIC ide0
NMI: 0
LOC: 0
ERR: 0
MIS: 0
-----------------------------

cheers,
jamal

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



This archive was generated by hypermail 2b29 : Mon Oct 15 2001 - 21:00:18 EST