From: Gerd Hoffmann <kraxel@redhat.com>
To: Avi Kivity <avi@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus
Date: Thu, 27 Aug 2009 10:13:07 +0200 [thread overview]
Message-ID: <4A964013.6000005@redhat.com> (raw)
In-Reply-To: <4A963C66.6040300@redhat.com>
On 08/27/09 09:57, Avi Kivity wrote:
>> What is needed on the guest side? Looks like even 2.6.30 doesn't use
>> MSI for virtio-net ...
>
> virtio msi support was merged in 2.6.31. For e1000, guest support is
> presumably there, just need to wire it into the device.
lspci shows MSI (not MSI-X) capability for the e1000 in my laptop. It
is not enabled. dmesg has this line though:
0000:02:00.0: 0000:02:00.0: Failed to initialize MSI interrupts.
Falling back to legacy interrupts.
so the driver at least tried to enable MSI ...
cheers
Gerd
next prev parent reply other threads:[~2009-08-27 8:13 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
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 [this message]
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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