From: Zwane Mwaikambo <zwane@linuxpower.ca>
To: "Mohamed Ghouse , Gurgaon" <MohamedG@ggn.hcltech.com>
Cc: "Linux-Kernel (E-mail)" <linux-kernel@vger.kernel.org>
Subject: RE: Interrupt Sharing
Date: Wed, 25 Sep 2002 01:09:54 -0400 (EDT) [thread overview]
Message-ID: <Pine.LNX.4.44.0209250105210.14916-100000@montezuma.mastecende.com> (raw)
In-Reply-To: <5F0021EEA434D511BE7300D0B7B6AB53050A4C9D@mail2.ggn.hcltech.com>
On Wed, 25 Sep 2002, Mohamed Ghouse , Gurgaon wrote:
> But what if two PCI Devices are sharing the same interrupt line?
> Then how does the handler handle this?
> Can you please explain this handling by the Kernel?
have a look at arch/i386/kernel/irq.c:request_irq then go down to do_IRQ
-> handle_IRQ_event. if you want the guts before that, check out
arch/i386/kernel/entry.S around common_interrupt.
Zwane
--
function.linuxpower.ca
next prev parent reply other threads:[~2002-09-25 5:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-24 21:40 Interrupt Sharing Mohamed Ghouse , Gurgaon
2002-09-25 5:09 ` Zwane Mwaikambo [this message]
2002-09-25 8:37 ` Martin Mares
-- strict thread matches above, loose matches on Subject: below --
2002-09-24 21:19 Mohamed Ghouse , Gurgaon
2002-09-24 21:25 ` Robert Love
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