Re: [PATCH] fix PCI interrupt setting for ia64

From: Takayoshi Kochi
Date: Wed Mar 10 2004 - 20:44:17 EST


Hi,

From: Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx>
Subject: RE: [PATCH] fix PCI interrupt setting for ia64
Date: Thu, 11 Mar 2004 09:34:06 +0900

> Hi,
>
> I'm sorry that the report falls behind. I wanted to check out by using
> real device driver which uses a probe_irq_on(), but I don't have appropriate
> environment now.
>
> Though I didn't check out on a real machine yet, I believe my patch doesn't
> have any influence on probe_irq_on() because current probe_irq_on() calls
> startup callback to unmask the RTEs as you said before.

My concern was that if there's a buggy PCI device that raises
interrupts all the time until it's initialized by some device driver,
probe_irq_on() would not work as expected regardless of whether
your patch is applied or not. I thought masking the interrupt line
doesn't work around this case.

---
Takayoshi Kochi <t-kochi@xxxxxxxxxxxxx>
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