Re: how to tell Linux *not* to share IRQs ?

Francois Romieu (romieu@cogenit.fr)
Thu, 26 Jul 2001 09:54:40 +0200

Andrew McNamara <andrewm@connect.com.au> ecrit :
[...]
> Does this mean the ISRs for every driver sharing an interrupt have to
> poll their device when an interrupt comes in (in the case of shared PCI

The ISR must verify there is some pending work for him.
Thus one must poll the device or his interrupt status queue in memory if
any. Btw one may end doing the work before the real interrupt comes.

-- 
Ueimor
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