On Mon, Jan 22, 2018 at 11:54:41AM +0800, Jason Wang wrote:
> On 2018年01月20日 01:20, Stefan Hajnoczi wrote:
> > > I don't propose any new idea. I just want to know what's the advantage of
> > > vhost-pci over zerocopy. Both needs one time of copy, the difference is
> > > the
> > > vhost-pci did it
On 2018年01月20日 01:20, Stefan Hajnoczi wrote:
I don't propose any new idea. I just want to know what's the advantage of
vhost-pci over zerocopy. Both needs one time of copy, the difference is the
vhost-pci did it inside a guest but zerocopy did in on host.
Exitless VM2VM communication is desira
On Thu, Jan 18, 2018 at 07:51:49PM +0800, Jason Wang wrote:
>
>
> On 2018年01月18日 18:51, Stefan Hajnoczi wrote:
> > On Tue, Jan 16, 2018 at 01:41:37PM +0800, Jason Wang wrote:
> > >
> > > On 2018年01月15日 21:56, Stefan Hajnoczi wrote:
> > > > On Mon, Jan 15, 2018 at 02:56:31PM +0800, Jason Wang wro
On 2018年01月18日 18:51, Stefan Hajnoczi wrote:
On Tue, Jan 16, 2018 at 01:41:37PM +0800, Jason Wang wrote:
On 2018年01月15日 21:56, Stefan Hajnoczi wrote:
On Mon, Jan 15, 2018 at 02:56:31PM +0800, Jason Wang wrote:
On 2018年01月12日 18:18, Stefan Hajnoczi wrote:
And what's more important, accordin
On Tue, Jan 16, 2018 at 01:41:37PM +0800, Jason Wang wrote:
>
>
> On 2018年01月15日 21:56, Stefan Hajnoczi wrote:
> > On Mon, Jan 15, 2018 at 02:56:31PM +0800, Jason Wang wrote:
> > > On 2018年01月12日 18:18, Stefan Hajnoczi wrote:
> > > > > And what's more important, according to the kvm 2016 slides o
On 01/16/2018 01:33 PM, Jason Wang wrote:
On 2018年01月15日 18:43, Wei Wang wrote:
On 01/15/2018 04:34 PM, Jason Wang wrote:
On 2018年01月15日 15:59, Wei Wang wrote:
On 01/15/2018 02:56 PM, Jason Wang wrote:
On 2018年01月12日 18:18, Stefan Hajnoczi wrote:
I just fail understand why we can't
On 2018年01月15日 21:56, Stefan Hajnoczi wrote:
On Mon, Jan 15, 2018 at 02:56:31PM +0800, Jason Wang wrote:
On 2018年01月12日 18:18, Stefan Hajnoczi wrote:
And what's more important, according to the kvm 2016 slides of vhost-pci,
the motivation of vhost-pci is not building SDN but a chain of VNFs.
On 2018年01月15日 18:43, Wei Wang wrote:
On 01/15/2018 04:34 PM, Jason Wang wrote:
On 2018年01月15日 15:59, Wei Wang wrote:
On 01/15/2018 02:56 PM, Jason Wang wrote:
On 2018年01月12日 18:18, Stefan Hajnoczi wrote:
I just fail understand why we can't do software defined network or
storage wit
On Sun, Jan 14, 2018 at 03:36:19AM +, Wang, Wei W wrote:
> On Friday, January 12, 2018 6:38 PM, Stefan Hajnoczi wrote:
> > On Fri, Jan 12, 2018 at 02:44:00PM +0800, Wei Wang wrote:
> > > On 01/11/2018 05:56 PM, Stefan Hajnoczi wrote:
> > > > On Thu, Jan 11, 2018 at 6:31 AM, Wei Wang
> > wrote:
On Mon, Jan 15, 2018 at 02:56:31PM +0800, Jason Wang wrote:
> On 2018年01月12日 18:18, Stefan Hajnoczi wrote:
> > > And what's more important, according to the kvm 2016 slides of vhost-pci,
> > > the motivation of vhost-pci is not building SDN but a chain of VNFs. So
> > > bypassing the central vswitc
On 01/15/2018 04:34 PM, Jason Wang wrote:
On 2018年01月15日 15:59, Wei Wang wrote:
On 01/15/2018 02:56 PM, Jason Wang wrote:
On 2018年01月12日 18:18, Stefan Hajnoczi wrote:
I just fail understand why we can't do software defined network or
storage with exist virtio device/drivers (or are the
On 2018年01月15日 15:59, Wei Wang wrote:
On 01/15/2018 02:56 PM, Jason Wang wrote:
On 2018年01月12日 18:18, Stefan Hajnoczi wrote:
I just fail understand why we can't do software defined network or
storage with exist virtio device/drivers (or are there any
shortcomings that force us to inven
On 01/15/2018 02:56 PM, Jason Wang wrote:
On 2018年01月12日 18:18, Stefan Hajnoczi wrote:
I just fail understand why we can't do software defined network or
storage with exist virtio device/drivers (or are there any
shortcomings that force us to invent new infrastructure).
Existing virti
On 01/12/2018 06:18 PM, Stefan Hajnoczi wrote:
On Fri, Jan 12, 2018 at 11:32:56AM +0800, Jason Wang wrote:
On 2018年01月11日 23:23, Stefan Hajnoczi wrote:
On Thu, Jan 11, 2018 at 06:57:03PM +0800, Jason Wang wrote:
On 2018年01月11日 00:14, Stefan Hajnoczi wrote:
Looks not, if I read the code cor
On 2018年01月12日 18:18, Stefan Hajnoczi wrote:
Form what I'm understanding, vhost-pci tries to build a scalable V2V private
datapath. But according to what you describe here, virito-vhost-user tries
to make it possible to implement the device inside another VM. I understand
the goal of vhost-pci
On 2018年01月12日 13:20, Yang, Zhiyong wrote:
Both vhost-pci and virtio-vhost-user work using shared memory access
to the guest RAM of the other VM. Therefore they can poll virtqueues
and avoid vmexit. They do also support cross-VM interrupts, thanks to
QEMU setting up irqfd/ioeventfd appropr
On Friday, January 12, 2018 6:38 PM, Stefan Hajnoczi wrote:
> On Fri, Jan 12, 2018 at 02:44:00PM +0800, Wei Wang wrote:
> > On 01/11/2018 05:56 PM, Stefan Hajnoczi wrote:
> > > On Thu, Jan 11, 2018 at 6:31 AM, Wei Wang
> wrote:
> > > > On 01/11/2018 12:14 AM, Stefan Hajnoczi wrote:
> >
> I expect
On Fri, Jan 12, 2018 at 02:44:00PM +0800, Wei Wang wrote:
> On 01/11/2018 05:56 PM, Stefan Hajnoczi wrote:
> > On Thu, Jan 11, 2018 at 6:31 AM, Wei Wang wrote:
> > > On 01/11/2018 12:14 AM, Stefan Hajnoczi wrote:
> > > Without above two, the solution already works well, so I'm not sure why
> > >
On Fri, Jan 12, 2018 at 11:32:56AM +0800, Jason Wang wrote:
>
>
> On 2018年01月11日 23:23, Stefan Hajnoczi wrote:
> > On Thu, Jan 11, 2018 at 06:57:03PM +0800, Jason Wang wrote:
> > >
> > > On 2018年01月11日 00:14, Stefan Hajnoczi wrote:
> > > > Hi Wei,
> > > > I wanted to summarize the differences be
On 01/11/2018 05:56 PM, Stefan Hajnoczi wrote:
On Thu, Jan 11, 2018 at 6:31 AM, Wei Wang wrote:
On 01/11/2018 12:14 AM, Stefan Hajnoczi wrote:
2) requires the driver to join the vhost-user negotiation.
The driver must participate in vhost-user negotiation. The vhost-pci
patches try to avoid
Hi Jason,
> -Original Message-
> From: Qemu-devel [mailto:qemu-devel-
> bounces+zhiyong.yang=intel@nongnu.org] On Behalf Of Jason Wang
> Sent: Friday, January 12, 2018 11:33 AM
> To: Stefan Hajnoczi
> Cc: Wang, Wei W ; qemu-devel@nongnu.org
> Subject: Re: [Qemu
On 2018年01月11日 23:23, Stefan Hajnoczi wrote:
On Thu, Jan 11, 2018 at 06:57:03PM +0800, Jason Wang wrote:
On 2018年01月11日 00:14, Stefan Hajnoczi wrote:
Hi Wei,
I wanted to summarize the differences between the vhost-pci and
virtio-vhost-user approaches because previous discussions may have bee
On Thu, Jan 11, 2018 at 06:57:03PM +0800, Jason Wang wrote:
>
>
> On 2018年01月11日 00:14, Stefan Hajnoczi wrote:
> > Hi Wei,
> > I wanted to summarize the differences between the vhost-pci and
> > virtio-vhost-user approaches because previous discussions may have been
> > confusing.
> >
> > vhost-
On 2018年01月11日 00:14, Stefan Hajnoczi wrote:
Hi Wei,
I wanted to summarize the differences between the vhost-pci and
virtio-vhost-user approaches because previous discussions may have been
confusing.
vhost-pci defines a new virtio device type for each vhost device type
(net, scsi, blk). It th
On Thu, Jan 11, 2018 at 6:31 AM, Wei Wang wrote:
> On 01/11/2018 12:14 AM, Stefan Hajnoczi wrote:
>>
>> Hi Wei,
>> I wanted to summarize the differences between the vhost-pci and
>> virtio-vhost-user approaches because previous discussions may have been
>> confusing.
>>
>> vhost-pci defines a new
On 01/11/2018 12:14 AM, Stefan Hajnoczi wrote:
Hi Wei,
I wanted to summarize the differences between the vhost-pci and
virtio-vhost-user approaches because previous discussions may have been
confusing.
vhost-pci defines a new virtio device type for each vhost device type
(net, scsi, blk). It th
Hi Wei,
I wanted to summarize the differences between the vhost-pci and
virtio-vhost-user approaches because previous discussions may have been
confusing.
vhost-pci defines a new virtio device type for each vhost device type
(net, scsi, blk). It therefore requires a virtio device driver for each
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