Re: [PATCH] fix PCI interrupt setting for ia64

From: Takayoshi Kochi <>
Date: 2004-03-11 12:34:47

From: Kenji Kaneshige <>
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 <>
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Received on Wed Mar 10 20:43:10 2004

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