Subject: Re: interrupt sharing improves performance?
To: Jason R Thorpe <thorpej@wasabisystems.com>
From: Jaromir Dolecek <jdolecek@netbsd.org>
List: tech-perform
Date: 02/03/2003 23:51:31
Jason R Thorpe wrote:
> It does require some changes to the network drivers, however, in order for
> it to actually work. Right now, NetBSD's network drivers check an interrupt
> status register for the device,
I thought that ISR is set whenever device wants to interrupt, not when
_they_ actually cause the bus interrupt to happen. I.e. that
the interrupt status register would be set in this situation.
Is that not so? Is this PCI-specific thing?
Jaromir
--
Jaromir Dolecek <jdolecek@NetBSD.org> http://www.NetBSD.org/
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