On Thu, Jul 31, 2014 at 5:38 PM, Paolo Bonzini wrote:
> Il 31/07/2014 04:07, Ming Lei ha scritto:
>> On Wed, Jul 30, 2014 at 9:51 PM, Paolo Bonzini wrote:
>>> Il 30/07/2014 13:39, Ming Lei ha scritto:
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index a60104c..94
Il 31/07/2014 04:07, Ming Lei ha scritto:
> On Wed, Jul 30, 2014 at 9:51 PM, Paolo Bonzini wrote:
>> Il 30/07/2014 13:39, Ming Lei ha scritto:
>>> diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
>>> index a60104c..943e72f 100644
>>> --- a/include/hw/virtio/virtio.h
>>> +++ b/i
On Wed, Jul 30, 2014 at 10:40 PM, Michael S. Tsirkin wrote:
> On Wed, Jul 30, 2014 at 03:51:22PM +0200, Paolo Bonzini wrote:
>> Il 30/07/2014 13:39, Ming Lei ha scritto:
>> > diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
>> > index a60104c..943e72f 100644
>> > --- a/include/
On Wed, Jul 30, 2014 at 9:51 PM, Paolo Bonzini wrote:
> Il 30/07/2014 13:39, Ming Lei ha scritto:
>> diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
>> index a60104c..943e72f 100644
>> --- a/include/hw/virtio/virtio.h
>> +++ b/include/hw/virtio/virtio.h
>> @@ -84,12 +84,17 @@
Il 30/07/2014 16:40, Michael S. Tsirkin ha scritto:
> As long as you relying on this, why not allocate in_sg/out_sg
> separately?
Because allocations can be expensive.
> In any case, a bunch of code needs to be audited to make sure
> no one assumes we can always stick VIRTQUEUE_MAX_SIZE there.
>
On Wed, Jul 30, 2014 at 03:51:22PM +0200, Paolo Bonzini wrote:
> Il 30/07/2014 13:39, Ming Lei ha scritto:
> > diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
> > index a60104c..943e72f 100644
> > --- a/include/hw/virtio/virtio.h
> > +++ b/include/hw/virtio/virtio.h
> > @@ -84,
Il 30/07/2014 13:39, Ming Lei ha scritto:
> diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
> index a60104c..943e72f 100644
> --- a/include/hw/virtio/virtio.h
> +++ b/include/hw/virtio/virtio.h
> @@ -84,12 +84,17 @@ typedef struct VirtQueue VirtQueue;
> typedef struct VirtQueu
VirtQueueElement is used in performance senstive path, so cut
its size by half to speed up its allocation and decrease memory
footprint in the dataplane I/O path.
Signed-off-by: Ming Lei
---
hw/net/virtio-net.c |4 +++-
hw/virtio/dataplane/vring.c | 23 ++-
hw/v
