On Fri, Sep 29, 2017 at 9:25 PM, Willem de Bruijn
wrote:
> On Fri, Sep 29, 2017 at 3:38 PM, Michael S. Tsirkin wrote:
>> On Wed, Sep 27, 2017 at 08:25:56PM -0400, Willem de Bruijn wrote:
>>> From: Willem de Bruijn
>>>
>>>
On Fri, Sep 29, 2017 at 09:25:27PM -0400, Willem de Bruijn wrote:
> On Fri, Sep 29, 2017 at 3:38 PM, Michael S. Tsirkin wrote:
> > On Wed, Sep 27, 2017 at 08:25:56PM -0400, Willem de Bruijn wrote:
> >> From: Willem de Bruijn
> >>
> >> Vhost-net has a hard
Hi Willem,
[auto build test WARNING on net-next/master]
url:
https://github.com/0day-ci/linux/commits/Willem-de-Bruijn/vhost_net-do-not-stall-on-zerocopy-depletion/20171001-054709
reproduce:
# apt-get install sparse
make ARCH=x86_64 allmodconfig
make C=1
Hi Willem,
[auto build test WARNING on net-next/master]
url:
https://github.com/0day-ci/linux/commits/Willem-de-Bruijn/vhost_net-do-not-stall-on-zerocopy-depletion/20171001-054709
config: x86_64-randconfig-x002-201740 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
On Fri, Sep 29, 2017 at 3:38 PM, Michael S. Tsirkin wrote:
> On Wed, Sep 27, 2017 at 08:25:56PM -0400, Willem de Bruijn wrote:
>> From: Willem de Bruijn
>>
>> Vhost-net has a hard limit on the number of zerocopy skbs in flight.
>> When reached, transmission
On Wed, Sep 27, 2017 at 08:25:56PM -0400, Willem de Bruijn wrote:
> From: Willem de Bruijn
>
> Vhost-net has a hard limit on the number of zerocopy skbs in flight.
> When reached, transmission stalls. Stalls cause latency, as well as
> head-of-line blocking of other flows
On Thu, Sep 28, 2017 at 3:41 AM, Jason Wang wrote:
>
>
> On 2017年09月28日 08:25, Willem de Bruijn wrote:
>>
>> From: Willem de Bruijn
>>
>> Vhost-net has a hard limit on the number of zerocopy skbs in flight.
>> When reached, transmission stalls. Stalls
On 2017年09月28日 08:25, Willem de Bruijn wrote:
From: Willem de Bruijn
Vhost-net has a hard limit on the number of zerocopy skbs in flight.
When reached, transmission stalls. Stalls cause latency, as well as
head-of-line blocking of other flows that do not use zerocopy.
On Wed, Sep 27, 2017 at 8:25 PM, Willem de Bruijn
wrote:
> From: Willem de Bruijn
>
> Vhost-net has a hard limit on the number of zerocopy skbs in flight.
> When reached, transmission stalls. Stalls cause latency, as well as
> head-of-line