Re: Maximum Amount Of IRQ's

[Kalum / Grendel <kalum delrom ro>]

On  Fri, 17 Aug 2001, Castro, Oscar commented thusly,

> Hi, What is the maximum number of IRQ's that Linux can support?  I have
> a system that has 12 PCI slots.  I'd like to insert 12 D-Link 4-Port
> Server Cards.  Each card requires 4 IRQ's, does RH Linux support PCI IRQ
> Steering to allow all of the cards to work


Yes there is support for IRQ sharing in the linux kernel, but your
approach looks quite sub optimal in that sharing 48 irqs would slow down
the system considrably.

Best Wishes,
Grendel


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