From: Avi Kivity <avi@redhat.com>
To: eak@us.ibm.com
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 2/2] Add code to override IRQ 0 to INTI 2
Date: Mon, 27 Oct 2008 22:02:09 +0200 [thread overview]
Message-ID: <49061E41.2070809@redhat.com> (raw)
In-Reply-To: <49061B2B.702@redhat.com>
Avi Kivity wrote:
>
> (what's irq 2 connected to now?)
>
Oh, of course irq 2 is only available on the ioapic; on the pic it is
used for cascading.
If we can't find a free interrupt, we can always connect it to interrupt
5; that will reduce the number of pci interrupts to two. But we can
implement apic mode and use lines 16-23 (if we add another ioapic, 16-47).
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
prev parent reply other threads:[~2008-10-27 20:02 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-27 18:26 [Qemu-devel] [PATCH 2/2] Add code to override IRQ 0 to INTI 2 Beth Kon
2008-10-27 19:48 ` Avi Kivity
2008-10-27 19:52 ` Anthony Liguori
2008-10-27 23:02 ` Beth Kon
2008-10-28 12:47 ` Avi Kivity
2008-10-27 20:02 ` Avi Kivity [this message]
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