Messages in this thread | | | From | Michael Buesch <> | Subject | Re: better leve triggered IRQ management needed | Date | Tue, 25 Apr 2006 17:23:01 +0200 |
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On Monday 24 April 2006 23:07, you wrote: > A long time ago, I had a machine with a 3c509 card that would sometimes
Heh, I still have this one in my server. :)
> The fake interrupt could even print out a warning if somebody returns > SA_HANDLED (since normally there _shouldn't_ have been any work to handle > for it),
Are you sure this can't race against the hardware? Something like this: Kernel Hardware - generate fake IRQ - enter the low level IRQ handling - hardware generates an IRQ and sets it's IRQ reason registers to "I have smthng to do" - enter the handler and service the IRQ - return SA_HANDLED
-- Greetings Michael. [unhandled content-type:application/pgp-signature] | |