From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: Marcelo Tosatti <marcelo-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org>
Cc: kvm-devel
<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
virtualization-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org
Subject: Re: [PATCH] kvm guest balloon driver
Date: Tue, 08 Jan 2008 18:18:13 +0200 [thread overview]
Message-ID: <4783A245.90002@qumranet.com> (raw)
In-Reply-To: <20080108161005.GA22168@dmt>
Marcelo Tosatti wrote:
>> Why is it taking over the irq? This is very, very wrong. A virtio
>> device cannot be dependent on being used on top of the virtio-pci backend.
>>
>
> A notification is necessary whenever the host changes the target value
> in the config space. So right now this notification is sharing the
> same IRQ as the main PCI device.
>
> Do you have any suggestion on how to retrieve the IRQ of the virtio
> device, or some other notification mechanism?
>
One way would be to send a "look at config" queue message, but it seems
that it is a fairly generic operation. Maybe virtio can add support for
it, with a new callback.
--
error compiling committee.c: too many arguments to function
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next prev parent reply other threads:[~2008-01-08 16:18 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-08 15:33 [PATCH] kvm guest balloon driver Marcelo Tosatti
2008-01-08 15:42 ` Anthony Liguori
[not found] ` <478399D5.9030707-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2008-01-08 16:10 ` Marcelo Tosatti
2008-01-08 16:14 ` [kvm-devel] " Anthony Liguori
2008-01-08 16:14 ` Anthony Liguori
[not found] ` <4783A14A.3080605-rdkfGonbjUSkNkDKm+mE6A@public.gmane.org>
2008-01-08 16:36 ` Avi Kivity
[not found] ` <4783A68E.80901-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-08 16:43 ` Anthony Liguori
2008-01-08 16:43 ` [kvm-devel] " Anthony Liguori
2008-01-08 16:36 ` Avi Kivity
2008-01-08 16:18 ` Avi Kivity
2008-01-08 16:18 ` Avi Kivity [this message]
2008-01-09 3:20 ` Rusty Russell
[not found] ` <4783A245.90002-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2008-01-09 3:20 ` Rusty Russell
2008-01-09 10:06 ` Andrea Arcangeli
2008-01-09 11:14 ` [kvm-devel] " Marcelo Tosatti
[not found] ` <20080109100621.GL6958-lysg2Xt5kKMAvxtiuMwx3w@public.gmane.org>
2008-01-09 11:14 ` Marcelo Tosatti
2008-01-08 16:10 ` [kvm-devel] " Marcelo Tosatti
2008-01-09 10:06 ` Andrea Arcangeli
2008-01-08 15:42 ` Anthony Liguori
-- strict thread matches above, loose matches on Subject: below --
2008-01-08 15:33 Marcelo Tosatti
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