On Thu, 2014-11-13 at 09:39 +, Shannon Zhao wrote:
> When we use only virtio-mmio or vhost-net without irqfd, the device uses
> qemu_set_irq(within qemu)
> to inject interrupt and at the same time qemu update
> "VIRTIO_MMIO_INTERRUPT_STATUS" to tell guest
> driver whom this interrupt to. All
On Thu, 2014-11-13 at 09:39 +, Shannon Zhao wrote:
When we use only virtio-mmio or vhost-net without irqfd, the device uses
qemu_set_irq(within qemu)
to inject interrupt and at the same time qemu update
VIRTIO_MMIO_INTERRUPT_STATUS to tell guest
driver whom this interrupt to. All these
On 2014/11/13 2:33, Pawel Moll wrote:
> On Wed, 2014-11-12 at 08:32 +, Shannon Zhao wrote:
>> On 2014/11/11 23:11, Pawel Moll wrote:
>>> On Tue, 2014-11-04 at 09:35 +, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some advanced features such as
On 2014/11/13 2:33, Pawel Moll wrote:
On Wed, 2014-11-12 at 08:32 +, Shannon Zhao wrote:
On 2014/11/11 23:11, Pawel Moll wrote:
On Tue, 2014-11-04 at 09:35 +, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some advanced features such as vhost-net with irqfd
On Wed, 2014-11-12 at 08:32 +, Shannon Zhao wrote:
> On 2014/11/11 23:11, Pawel Moll wrote:
> > On Tue, 2014-11-04 at 09:35 +, Shannon Zhao wrote:
> >> As the current virtio-mmio only support single irq,
> >> so some advanced features such as vhost-net with irqfd
> >> are not supported.
On 2014/11/11 23:11, Pawel Moll wrote:
> On Tue, 2014-11-04 at 09:35 +, Shannon Zhao wrote:
>> As the current virtio-mmio only support single irq,
>> so some advanced features such as vhost-net with irqfd
>> are not supported. And the net performance is not
>> the best without vhost-net and
On 2014/11/11 23:11, Pawel Moll wrote:
On Tue, 2014-11-04 at 09:35 +, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some advanced features such as vhost-net with irqfd
are not supported. And the net performance is not
the best without vhost-net and irqfd
On Wed, 2014-11-12 at 08:32 +, Shannon Zhao wrote:
On 2014/11/11 23:11, Pawel Moll wrote:
On Tue, 2014-11-04 at 09:35 +, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some advanced features such as vhost-net with irqfd
are not supported. And the net
On Tue, 2014-11-04 at 09:35 +, Shannon Zhao wrote:
> As the current virtio-mmio only support single irq,
> so some advanced features such as vhost-net with irqfd
> are not supported. And the net performance is not
> the best without vhost-net and irqfd supporting.
Could you, please, help
On Tue, 2014-11-04 at 09:35 +, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some advanced features such as vhost-net with irqfd
are not supported. And the net performance is not
the best without vhost-net and irqfd supporting.
Could you, please, help
On 2014/11/6 19:09, Michael S. Tsirkin wrote:
> On Thu, Nov 06, 2014 at 05:54:54PM +0800, Shannon Zhao wrote:
>> On 2014/11/6 17:34, Michael S. Tsirkin wrote:
>>> On Tue, Nov 04, 2014 at 05:35:12PM +0800, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some
On Thu, Nov 06, 2014 at 05:54:54PM +0800, Shannon Zhao wrote:
> On 2014/11/6 17:34, Michael S. Tsirkin wrote:
> > On Tue, Nov 04, 2014 at 05:35:12PM +0800, Shannon Zhao wrote:
> >> As the current virtio-mmio only support single irq,
> >> so some advanced features such as vhost-net with irqfd
> >>
On 2014/11/6 17:34, Michael S. Tsirkin wrote:
> On Tue, Nov 04, 2014 at 05:35:12PM +0800, Shannon Zhao wrote:
>> As the current virtio-mmio only support single irq,
>> so some advanced features such as vhost-net with irqfd
>> are not supported. And the net performance is not
>> the best without
On Tue, Nov 04, 2014 at 05:35:12PM +0800, Shannon Zhao wrote:
> As the current virtio-mmio only support single irq,
> so some advanced features such as vhost-net with irqfd
> are not supported. And the net performance is not
> the best without vhost-net and irqfd supporting.
>
> This patch
On 2014/11/6 19:09, Michael S. Tsirkin wrote:
On Thu, Nov 06, 2014 at 05:54:54PM +0800, Shannon Zhao wrote:
On 2014/11/6 17:34, Michael S. Tsirkin wrote:
On Tue, Nov 04, 2014 at 05:35:12PM +0800, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some advanced features
On Tue, Nov 04, 2014 at 05:35:12PM +0800, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some advanced features such as vhost-net with irqfd
are not supported. And the net performance is not
the best without vhost-net and irqfd supporting.
This patch support
On 2014/11/6 17:34, Michael S. Tsirkin wrote:
On Tue, Nov 04, 2014 at 05:35:12PM +0800, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some advanced features such as vhost-net with irqfd
are not supported. And the net performance is not
the best without vhost-net
On Thu, Nov 06, 2014 at 05:54:54PM +0800, Shannon Zhao wrote:
On 2014/11/6 17:34, Michael S. Tsirkin wrote:
On Tue, Nov 04, 2014 at 05:35:12PM +0800, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some advanced features such as vhost-net with irqfd
are not
On 2014/11/5 23:27, Joel Schopp wrote:
>
> On 11/05/2014 03:12 AM, Shannon Zhao wrote:
>> Hi Rémy,
>>
>> On 2014/11/5 16:26, GAUGUEY Rémy 228890 wrote:
>>> Hi Shannon,
>>>
Type of backend bandwith(GBytes/sec)
virtio-net 0.66
vhost-net 1.49
On 11/05/2014 03:12 AM, Shannon Zhao wrote:
> Hi Rémy,
>
> On 2014/11/5 16:26, GAUGUEY Rémy 228890 wrote:
>> Hi Shannon,
>>
>>> Type of backend bandwith(GBytes/sec)
>>> virtio-net 0.66
>>> vhost-net 1.49
>>> vhost-net with irqfd2.01
>>>
>>> Test cmd:
ro.org; john.li...@huawei.com;
> joel.sch...@amd.com; GAUGUEY Rémy 228890; qemu-de...@nongnu.org;
> n.nikol...@virtualopensystems.com; virtualizat...@lists.linux-foundation.org;
> peter.huangp...@huawei.com; hangaoh...@huawei.com
> Objet : Re: [RFC PATCH] virtio-mmio: support for multiple irqs
>
>
ngnu.org;
n.nikol...@virtualopensystems.com; virtualizat...@lists.linux-foundation.org;
peter.huangp...@huawei.com; hangaoh...@huawei.com
Objet : Re: [RFC PATCH] virtio-mmio: support for multiple irqs
On 2014/11/4 17:35, Shannon Zhao wrote:
> As the current virtio-mmio only support single
On 2014/11/4 17:35, Shannon Zhao wrote:
> As the current virtio-mmio only support single irq,
> so some advanced features such as vhost-net with irqfd
> are not supported. And the net performance is not
> the best without vhost-net and irqfd supporting.
>
Hi Joel, Peter, Mst,
Some virtio-net
On 2014/11/4 17:35, Shannon Zhao wrote:
As the current virtio-mmio only support single irq,
so some advanced features such as vhost-net with irqfd
are not supported. And the net performance is not
the best without vhost-net and irqfd supporting.
Hi Joel, Peter, Mst,
Some virtio-net with
...@virtualopensystems.com; virtualizat...@lists.linux-foundation.org;
peter.huangp...@huawei.com; hangaoh...@huawei.com
Objet : Re: [RFC PATCH] virtio-mmio: support for multiple irqs
On 2014/11/4 17:35, Shannon Zhao wrote:
As the current virtio-mmio only support single irq, so some advanced
features
-foundation.org;
peter.huangp...@huawei.com; hangaoh...@huawei.com
Objet : Re: [RFC PATCH] virtio-mmio: support for multiple irqs
On 2014/11/4 17:35, Shannon Zhao wrote:
As the current virtio-mmio only support single irq, so some advanced
features such as vhost-net with irqfd are not supported
On 11/05/2014 03:12 AM, Shannon Zhao wrote:
Hi Rémy,
On 2014/11/5 16:26, GAUGUEY Rémy 228890 wrote:
Hi Shannon,
Type of backend bandwith(GBytes/sec)
virtio-net 0.66
vhost-net 1.49
vhost-net with irqfd2.01
Test cmd: ./iperf -c 192.168.0.2 -P 1 -i
On 2014/11/5 23:27, Joel Schopp wrote:
On 11/05/2014 03:12 AM, Shannon Zhao wrote:
Hi Rémy,
On 2014/11/5 16:26, GAUGUEY Rémy 228890 wrote:
Hi Shannon,
Type of backend bandwith(GBytes/sec)
virtio-net 0.66
vhost-net 1.49
vhost-net with irqfd2.01
As the current virtio-mmio only support single irq,
so some advanced features such as vhost-net with irqfd
are not supported. And the net performance is not
the best without vhost-net and irqfd supporting.
This patch support virtio-mmio to request multiple
irqs like virtio-pci. With this patch
As the current virtio-mmio only support single irq,
so some advanced features such as vhost-net with irqfd
are not supported. And the net performance is not
the best without vhost-net and irqfd supporting.
This patch support virtio-mmio to request multiple
irqs like virtio-pci. With this patch
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