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Message-ID: <8d6898730811100231j2ca5e8ceub0d5137c1ef1f9d0@mail.gmail.com>
Date: Mon, 10 Nov 2008 16:01:47 +0530
From: "Nobin Mathew" <nobin.mathew@gmail.com>
To: "Grant Grundler" <grundler@parisc-linux.org>
Subject: Re: sharing interrupt between PCI device
Cc: "Jiri Slaby" <jirislaby@gmail.com>, linux-kernel@vger.kernel.org,
       linux-pci@vger.kernel.org, "Robert Hancock" <hancockr@shaw.ca>,
       "Thomas Gleixner" <tglx@linutronix.de>,
       "Peter Zijlstra" <a.p.zijlstra@chello.nl>,
       "Ingo Molnar" <mingo@elte.hu>
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References: <fa.h7+lofM1lpbRM5V4/ti5d7RwXuM@ifi.uio.no>
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	 <8d6898730811092235u4a41c664vd641d2792dee4c50@mail.gmail.com>
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Yes USB Virtual Controller has input devices like keyboard and mouse
(routed through hpilo card (remote console)), so those things stops
working when we remove hpilo driver.

Thanks
Nobin Mathew

On Mon, Nov 10, 2008 at 1:28 PM, Ingo Molnar <mingo@elte.hu> wrote:
>
> * Grant Grundler <grundler@parisc-linux.org> wrote:
>
>> [+ingo - question for you about disable_irq() below]
>
>> The same problem exists with disable_irq() : only takes a global
>> IRQ# and no additional identifying information to prevent disabling
>> a shared IRQ. So I'm not sure if this is a bug with ACPI or design
>> flaw in generic IRQ APIs.  Ingo?
>
> that's how disable_irq() always worked: it disables all handlers on
> that IRQ#. If the IRQ# is shared, it disables all handlers.
>
>        Ingo
>
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