Messages in this thread | | | Subject | Re: What determines which interrupts are shared under Linux? | From | Alan Cox <> | Date | Tue, 15 Aug 2006 16:06:19 +0100 |
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Ar Maw, 2006-08-15 am 09:17 -0500, ysgrifennodd Roger Heflin: > On Linux when interrupts are defined similar to below, what defines say > ide2, ide3 to be on the same interrupt? The bios, linux, the driver using > the interrupt? And can that be controlled/overrode at the > kernel/driver level?
Only with a soldering iron. They are the way the system is wired. Moving boards between slots may change the IRQ allocation.
> I have identified that the disks that are shared on ide2, ide3 do funny > things when both are being heavily used (dma_expiry), this is an older > driver versions
That could be occuring just through lack of PCI bus bandwidth.
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