Messages in this thread | | | Subject | Re: Multiple MSI | From | Benjamin Herrenschmidt <> | Date | Thu, 03 Jul 2008 21:41:06 +1000 |
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On Thu, 2008-07-03 at 05:31 -0600, Matthew Wilcox wrote: > On Thu, Jul 03, 2008 at 07:17:00PM +1000, Benjamin Herrenschmidt wrote: > > > Some years ago, we had discussions about getting rid of IRQ numbers > > > altogether, or at least the requirement to have device drivers know > > > about them. Does anyone remember what happened to that idea? > > > > I think it's not totally dead. Last I heard, someone (jgarzik ?) was > > slowly, bit by bit, removing the dependencies on the irq argument on irq > > handlers which is one step in the direction. > > I think that project's dead, Jim. http://lkml.org/lkml/2008/4/22/578
Ouch, missed that one... sad, would have been a good idea in the long run. irq_desc array is a big PITA.
> You can't do that. /proc/interrupts is so terribly useful for a > sysadmin that you can't remove information from it.
You can create a new one with informations about the new stuff..
Anyway, looks like it's not happening and we'll be stuck with the bloody array for the time being. Crap.
Ben.
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