From: Grant Grundler <grundler@parisc-linux.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: Grant Grundler <grundler@parisc-linux.org>,
Nobin Mathew <nobin.mathew@gmail.com>,
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>
Subject: Re: sharing interrupt between PCI device
Date: Mon, 10 Nov 2008 13:33:12 -0700 [thread overview]
Message-ID: <20081110203312.GA18188@colo.lackof.org> (raw)
In-Reply-To: <20081110075827.GE2093@elte.hu>
On Mon, Nov 10, 2008 at 08:58:27AM +0100, Ingo Molnar 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,
Sorry - my question really was: given the above, should
pcibios_disable_device() be calling pcibios_disable_irq()?
Right now, I think not.
thanks,
grant
>
> Ingo
> --
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next prev parent reply other threads:[~2008-11-10 20:33 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.h7+lofM1lpbRM5V4/ti5d7RwXuM@ifi.uio.no>
2008-11-05 0:28 ` sharing interrupt between PCI device Robert Hancock
2008-11-05 7:49 ` Nobin Mathew
2008-11-05 8:36 ` Jiri Slaby
2008-11-05 9:20 ` Nobin Mathew
2008-11-06 6:11 ` Nobin Mathew
2008-11-06 7:44 ` Nobin Mathew
2008-11-06 21:24 ` Jiri Slaby
2008-11-07 5:46 ` Nobin Mathew
2008-11-08 7:57 ` Grant Grundler
2008-11-08 9:49 ` Jiri Slaby
2008-11-08 11:53 ` Nobin Mathew
2008-11-08 11:57 ` Jiri Slaby
2008-11-08 17:27 ` Grant Grundler
2008-11-08 19:10 ` Jiri Slaby
2008-11-08 19:15 ` Grant Grundler
2008-11-10 6:35 ` Nobin Mathew
2008-11-10 6:39 ` Nobin Mathew
2008-11-10 6:47 ` Nobin Mathew
2008-11-10 7:51 ` Grant Grundler
2008-11-10 7:58 ` Ingo Molnar
2008-11-10 10:31 ` Nobin Mathew
2008-11-10 15:42 ` Nobin Mathew
2008-11-10 20:34 ` Grant Grundler
2008-11-11 4:57 ` Nobin Mathew
2008-11-11 16:24 ` Altobelli, David
2008-11-11 18:49 ` Robert Hancock
2008-11-10 20:33 ` Grant Grundler [this message]
2008-11-03 13:32 Nobin Mathew
2008-11-03 14:44 ` Jiri Slaby
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