From: James Courtier-Dutton <James@superbug.co.uk>
To: Keith Chew <keith.chew@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: IO APIC IRQ assignment
Date: Tue, 30 May 2006 13:31:57 +0100 [thread overview]
Message-ID: <447C3B3D.10705@superbug.co.uk> (raw)
In-Reply-To: <20f65d530605300521q1d56c3a3t84be3d92f1df0c14@mail.gmail.com>
Keith Chew wrote:
>
> We asked the manufacturers if they can do a physical modication for
> us, but unfortunately this is not possible. The engineer did mention
> that under Windows XP in "IO APIC" mode, it is possible to assign
> different IRQs to the USB and BTTV.
>
> Is this possible in Linux? We have tried enabling IO APIC in the
> kernel, but the IRQs are still shared.
>
> Please advise if it is even possible in Linux to achieve what we want.
>
You could try enabling "Bus Options" ->
[*] Message Signaled Interrupts (MSI and MSI-X)
or in .config
CONFIG_PCI_MSI=y
It only works for PCI devices.
next prev parent reply other threads:[~2006-05-30 12:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-30 12:21 IO APIC IRQ assignment Keith Chew
2006-05-30 12:31 ` James Courtier-Dutton [this message]
2006-05-30 13:26 ` Keith Chew
2006-05-30 13:50 ` Erik Mouw
2006-05-30 14:05 ` Keith Chew
2006-05-31 22:03 ` Jan Engelhardt
2006-05-31 23:12 ` Keith Chew
2006-06-01 9:42 ` Erik Mouw
2006-06-01 10:38 ` Keith Chew
2006-06-01 15:35 ` Keith Chew
2006-06-01 15:58 ` Thiago Galesi
2006-06-01 21:27 ` Keith Chew
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