On 02/24/2010 05:46 AM, Michael S. Tsirkin wrote:
Ah, you mean telling the guest to switch features on and off: natureally
this would require guest driver changes. This might be also non-trivial
to implement. Consider a request that has been posted without checksum,
suddenly we disable checksum
On 02/23/2010 09:14 PM, Paul Brook wrote:
vnet_hdr is IMHO a really bad example to copy from.
vnet_hdr leaks into the migration state via n->has_vnet_hdr. What this
means is that if you want to migrate from -net tap -net nic,model=virtio
to -net user -net nic,model=virtio, it will fail.
This i
On Wed, Feb 24, 2010 at 12:26:53PM +, Paul Brook wrote:
> > > If we do have a software
> > > fallback then the feature bit is just for backwards compatibility, and
> > > should be enabled unconditionally (on current machine types).
> >
> > Software fallback might turn out to be slower than disa
> > If we do have a software
> > fallback then the feature bit is just for backwards compatibility, and
> > should be enabled unconditionally (on current machine types).
>
> Software fallback might turn out to be slower than disabling the feature
> in the guest. For example, and extra pass over pac
On Wed, Feb 24, 2010 at 11:30:18AM +, Paul Brook wrote:
> > On Wed, Feb 24, 2010 at 03:14:25AM +, Paul Brook wrote:
> > > > vnet_hdr is IMHO a really bad example to copy from.
> > > >
> > > > vnet_hdr leaks into the migration state via n->has_vnet_hdr. What this
> > > > means is that if yo
> On Wed, Feb 24, 2010 at 03:14:25AM +, Paul Brook wrote:
> > > vnet_hdr is IMHO a really bad example to copy from.
> > >
> > > vnet_hdr leaks into the migration state via n->has_vnet_hdr. What this
> > > means is that if you want to migrate from -net tap -net
> > > nic,model=virtio to -net us
On Wed, Feb 24, 2010 at 03:14:25AM +, Paul Brook wrote:
> > vnet_hdr is IMHO a really bad example to copy from.
> >
> > vnet_hdr leaks into the migration state via n->has_vnet_hdr. What this
> > means is that if you want to migrate from -net tap -net nic,model=virtio
> > to -net user -net nic
> vnet_hdr is IMHO a really bad example to copy from.
>
> vnet_hdr leaks into the migration state via n->has_vnet_hdr. What this
> means is that if you want to migrate from -net tap -net nic,model=virtio
> to -net user -net nic,model=virtio, it will fail.
>
> This is a hard problem to solve in q
On 01/25/2010 03:05 PM, Michael S. Tsirkin wrote:
it *has* an int:
struct EventNotifier {
int fd;
};
Yes, this would be a lot better.
Regards,
Anthony Liguori
On Mon, Jan 25, 2010 at 03:00:16PM -0600, Anthony Liguori wrote:
> On 01/25/2010 02:27 PM, Michael S. Tsirkin wrote:
>> On Mon, Jan 25, 2010 at 01:58:08PM -0600, Anthony Liguori wrote:
>>
>>> On 01/11/2010 11:23 AM, Michael S. Tsirkin wrote:
>>>
start/stop backend on driver start/sto
On Mon, Jan 25, 2010 at 03:00:16PM -0600, Anthony Liguori wrote:
> On 01/25/2010 02:27 PM, Michael S. Tsirkin wrote:
>> On Mon, Jan 25, 2010 at 01:58:08PM -0600, Anthony Liguori wrote:
>>
>>> On 01/11/2010 11:23 AM, Michael S. Tsirkin wrote:
>>>
start/stop backend on driver start/sto
On 01/25/2010 02:27 PM, Michael S. Tsirkin wrote:
On Mon, Jan 25, 2010 at 01:58:08PM -0600, Anthony Liguori wrote:
On 01/11/2010 11:23 AM, Michael S. Tsirkin wrote:
start/stop backend on driver start/stop
Signed-off-by: Michael S. Tsirkin
---
hw/virtio-net.c | 40 +++
On Mon, Jan 25, 2010 at 01:58:08PM -0600, Anthony Liguori wrote:
> On 01/11/2010 11:23 AM, Michael S. Tsirkin wrote:
>> start/stop backend on driver start/stop
>>
>> Signed-off-by: Michael S. Tsirkin
>> ---
>> hw/virtio-net.c | 40
>> 1 files changed, 4
On 01/11/2010 11:23 AM, Michael S. Tsirkin wrote:
start/stop backend on driver start/stop
Signed-off-by: Michael S. Tsirkin
---
hw/virtio-net.c | 40
1 files changed, 40 insertions(+), 0 deletions(-)
diff --git a/hw/virtio-net.c b/hw/virtio-net.c
in
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