On Wed, Jan 09, 2008 at 11:06:21AM +0100, Andrea Arcangeli wrote:
> On Tue, Jan 08, 2008 at 09:42:13AM -0600, Anthony Liguori wrote:
> > Instead of allocating a node for each page, you could use page->private
>
> page->lru is probably better for this so splice still works
> etc... (the struct pag
On Tue, Jan 08, 2008 at 09:42:13AM -0600, Anthony Liguori wrote:
> Instead of allocating a node for each page, you could use page->private
page->lru is probably better for this so splice still works
etc... (the struct page isn't visible to the guest VM so it's free to
use)
--
On Wednesday 09 January 2008 03:18:13 Avi Kivity wrote:
> Marcelo Tosatti wrote:
> > Do you have any suggestion on how to retrieve the IRQ of the virtio
> > device, or some other notification mechanism?
Unfortunately, irqs are logically assigned to virtio queues, not devices. Yet
configuration in
Avi Kivity wrote:
> Anthony Liguori wrote:
>> BTW, I don't think the target should be a config value. You don't
>> gain anything from it being in the config space and it's somewhat
>> unnatural for a virtio device. It makes more sense as a message to
>> the guest.
>>
>
> I disagree. The tar
Anthony Liguori wrote:
> BTW, I don't think the target should be a config value. You don't gain
> anything from it being in the config space and it's somewhat unnatural
> for a virtio device. It makes more sense as a message to the guest.
>
I disagree. The target is state, not an individual
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 thi
Marcelo Tosatti wrote:
> On Tue, Jan 08, 2008 at 09:42:13AM -0600, Anthony Liguori wrote:
>
>> Marcelo Tosatti wrote:
>>
>>> Following patch introduces a KVM guest balloon driver. Communication
>>> to/from the host is performed via virtio.
>>>
>>>
>
> I'll address the other comments.
On Tue, Jan 08, 2008 at 09:42:13AM -0600, Anthony Liguori wrote:
> Marcelo Tosatti wrote:
> >Following patch introduces a KVM guest balloon driver. Communication
> >to/from the host is performed via virtio.
> >
I'll address the other comments.
> >+virtballoon.dev = vdev;
> >+init_waitqueu
Marcelo Tosatti wrote:
> Following patch introduces a KVM guest balloon driver. Communication
> to/from the host is performed via virtio.
>
> Next patch implements the QEMU driver and handling.
>
> Signed-off-by: Marcelo Tosatti <[EMAIL PROTECTED]>
>
> Index: linux-2.6-nv/drivers/virtio/Kconfig
> =
Following patch introduces a KVM guest balloon driver. Communication
to/from the host is performed via virtio.
Next patch implements the QEMU driver and handling.
Signed-off-by: Marcelo Tosatti <[EMAIL PROTECTED]>
Index: linux-2.6-nv/drivers/virtio/Kconfig
==
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