Maximets ; David
Marchand
Subject: Re: [PATCH v5] net/vhost: support asynchronous data path
On 10/25/22 17:44, Bruce Richardson wrote:
On Tue, Oct 25, 2022 at 05:33:31PM +0200, Maxime Coquelin wrote:
On 10/25/22 11:15, Hu, Jiayu wrote:
I think that for Vhost PMD, the Virtio completions should
Maximets ; David
> Marchand
> Subject: Re: [PATCH v5] net/vhost: support asynchronous data path
>
>
>
> On 10/25/22 17:44, Bruce Richardson wrote:
> > On Tue, Oct 25, 2022 at 05:33:31PM +0200, Maxime Coquelin wrote:
> >>
> >>
> >> On 10/25/22 11:15,
On 10/25/22 17:44, Bruce Richardson wrote:
On Tue, Oct 25, 2022 at 05:33:31PM +0200, Maxime Coquelin wrote:
On 10/25/22 11:15, Hu, Jiayu wrote:
I think that for Vhost PMD, the Virtio completions should either be
performed by DMA engine or by a dedicated thread.
We cannot depend on DMA
On Tue, Oct 25, 2022 at 05:33:31PM +0200, Maxime Coquelin wrote:
>
>
> On 10/25/22 11:15, Hu, Jiayu wrote:
> > > I think that for Vhost PMD, the Virtio completions should either be
> > > performed by DMA engine or by a dedicated thread.
> >
> > We cannot depend on DMA engine to do completion, a
Maximets ;
David Marchand
Subject: Re: [PATCH v5] net/vhost: support asynchronous data path
Hi Jiayu,
On 10/25/22 04:14, Hu, Jiayu wrote:
Hi Maxime,
Thanks for your comments. Please see replies inline.
-Original Message-
From: Maxime Coquelin
Sent: Monday, October 24, 2022 5:08 PM
To
Maximets ;
> David Marchand
> Subject: Re: [PATCH v5] net/vhost: support asynchronous data path
>
> Hi Jiayu,
>
> On 10/25/22 04:14, Hu, Jiayu wrote:
> > Hi Maxime,
> >
> > Thanks for your comments. Please see replies inline.
> >
> >> -Origina
,
Xingguang
Subject: Re: [PATCH v5] net/vhost: support asynchronous data path
Hi Yuan,
Please fix your system for the next times, your patch is dated several hours in
the future.
On 10/24/22 17:14, Yuan Wang wrote:
Vhost asynchronous data-path offloads packet copy from the CPU to the
DMA engine
g
> Subject: Re: [PATCH v5] net/vhost: support asynchronous data path
>
> Hi Yuan,
>
> Please fix your system for the next times, your patch is dated several hours
> in
> the future.
>
> On 10/24/22 17:14, Yuan Wang wrote:
> > Vhost asynchronous data-path offl
Hi Chenbo,
> -Original Message-
> From: Xia, Chenbo
> Sent: Monday, October 24, 2022 5:03 PM
> To: Wang, YuanX ; Maxime Coquelin
>
> Cc: dev@dpdk.org; Hu, Jiayu ; Jiang, Cheng1
> ; Ma, WenwuX ; He,
> Xingguang
> Subject: RE: [PATCH v5] net/vhost: support asy
Hi Yuan,
Please fix your system for the next times, your patch is dated several
hours in the future.
On 10/24/22 17:14, Yuan Wang wrote:
Vhost asynchronous data-path offloads packet copy from the CPU
to the DMA engine. As a result, large packet copy can be accelerated
by the DMA engine, and vho
Hi Yuan,
> -Original Message-
> From: Wang, YuanX
> Sent: Monday, October 24, 2022 11:15 PM
> To: Maxime Coquelin ; Xia, Chenbo
>
> Cc: dev@dpdk.org; Hu, Jiayu ; Jiang, Cheng1
> ; Ma, WenwuX ; He, Xingguang
> ; Wang, YuanX
> Subject: [PATCH v5] net/vhost: sup
Vhost asynchronous data-path offloads packet copy from the CPU
to the DMA engine. As a result, large packet copy can be accelerated
by the DMA engine, and vhost can free CPU cycles for higher level
functions.
In this patch, we enable asynchronous data-path for vhostpmd.
Asynchronous data path is e
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