Re: [Rtlinuxgpl] Sharing HARD IRQs with Linux drivers

> one posible problem could be losing interrupts on heavaly shared interrupt
> lines as its only a bit, so no queueing and no order preservation - sounds
> bad in your case of multiple devices using it.

Why would order preservation or queueing matter anyway in this case?  I 
could see it mattering if you wanted to signal soft-realtime tasks via 
soft irq's...


But in this situation, I only have one hard realtime device taking the 
interrupt, and I always unconditionally pend it to linux... and the linux 
drivers all support interrupt sharing (so there is no risk that perhaps 
the linux driver is confused by possible "spurious" interrupts).

Thanks for the patch -- I somehow doubt this will do anything but maybe it 
will help anyway.

-Calin

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