From: Gleb Natapov <gleb@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: Avi Kivity <avi@redhat.com>, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus
Date: Wed, 26 Aug 2009 22:09:44 +0300 [thread overview]
Message-ID: <20090826190944.GD11762@redhat.com> (raw)
In-Reply-To: <4A95633E.7060703@redhat.com>
On Wed, Aug 26, 2009 at 06:30:54PM +0200, Gerd Hoffmann wrote:
> On 08/26/09 18:06, Avi Kivity wrote:
> >On 08/26/2009 07:03 PM, Gerd Hoffmann wrote:
> >>Now we probably need some acpi magic to tell the guest OS that there
> >>are a few more IRQ lines?
> >
> >I wanted to route the PCI IRQs to those lines (and have eight links
> >instead of four).
>
> Right now we have IRQs 5,10,11 for PCI. Having one more IRQ (so we
> have one for each link) would be useful IMHO. eight links + eight
> irqs would be even more useful. What needs to be done for that?
>
Current code uses piix3 irq router to route pci interrupts to pic _and_
ioapic and piix3 irq router supports only 16 interrupts.
--
Gleb.
next prev parent reply other threads:[~2009-08-26 19:09 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-09 16:44 [Qemu-devel] [PATCH 0/2] Disentagle ISA IRQs Avi Kivity
2009-08-09 16:44 ` [Qemu-devel] [PATCH 1/2] Route PC irqs to ISA bus instead of i8259 directly Avi Kivity
2009-08-10 8:34 ` Gerd Hoffmann
2009-08-10 8:46 ` Avi Kivity
2009-08-10 9:04 ` Alexander Graf
2009-08-10 9:43 ` Avi Kivity
2009-08-10 9:45 ` Stefan Assmann
2009-08-10 9:52 ` Avi Kivity
2009-08-10 13:20 ` Olaf Dabrunz
2009-08-10 13:14 ` Olaf Dabrunz
2009-08-09 16:44 ` [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus Avi Kivity
2009-08-10 8:38 ` Gerd Hoffmann
2009-08-26 16:03 ` Gerd Hoffmann
2009-08-26 16:06 ` Avi Kivity
2009-08-26 16:30 ` Gerd Hoffmann
2009-08-26 19:09 ` Gleb Natapov [this message]
2009-08-27 7:40 ` Gerd Hoffmann
2009-08-27 7:57 ` Gleb Natapov
2009-08-27 8:18 ` Jamie Lokier
2009-08-27 8:24 ` Gleb Natapov
2009-08-27 8:55 ` Gerd Hoffmann
2009-08-27 10:35 ` Isaku Yamahata
2009-08-27 21:07 ` [Qemu-devel] " Bjørn Mork
2009-08-27 4:53 ` [Qemu-devel] " Avi Kivity
2009-08-27 7:35 ` Gerd Hoffmann
2009-08-27 7:57 ` Avi Kivity
2009-08-27 8:13 ` Gerd Hoffmann
2009-08-27 8:26 ` Avi Kivity
2009-08-28 2:20 ` Beth Kon
2009-08-29 17:47 ` Avi Kivity
2009-08-30 2:09 ` Beth Kon
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