On 7 February 2017 at 12:22, Stokes, Ian <[email protected]> wrote:
>> On 6 February 2017 at 09:20, Ian Stokes <[email protected]> wrote:
>> > Remove the experimental warning tag in documentation regarding OVS
>> > deployed with DPDK.
>> >
>> > Signed-off-by: Ian Stokes <[email protected]>
>>
>> <snip>
>>
>> > diff --git a/README.rst b/README.rst
>> > index f5cdaa5..afdd9bc 100644
>> > --- a/README.rst
>> > +++ b/README.rst
>> > @@ -38,9 +38,11 @@ following features:
>> >
>> >  The included Linux kernel module supports Linux 3.10 and up.
>> >
>> > -Open vSwitch can also operate, at a cost in performance, entirely in
>> > userspace, -without assistance from a kernel module.  This userspace
>> > implementation should -be easier to port than the kernel-based switch.
>> It is considered experimental.
>> > +Open vSwitch can also operate entirely in userspace without
>> > +assistance from a kernel module.  This userspace implementation
>> > +should be easier to port than the kernel-based switch. OVS in userspace
>> can access Linux or DPDK devices.
>> > +Note Open vSwitch with Linux devices in userspace is considered
>> > +experimental and comes with a cost in performance.
>>
>> I wonder if we can clarify this last sentence, it appears to be causing
>> some confusion about the status of the kernel datapath.
>
> Do you mean it causes confunsion in terms of performance of kernel space vs 
> user space?

Not related to performance, but whether kernel datapath is considered
experimental or not.

> If that’s the case we could change it to
>
> +Note Open vSwitch with Linux devices in userspace is considered
> +experimental and comes with a cost in performance when compared to kernel 
> space.

I think the problem is "Open vSwitch with Linux devices in userspace".
This doesn't precisely define usage of the userspace datapath.

Perhaps this?

Note Open vSwitch with userspace datapath and non-DPDK devices is
considered experimental and comes with a cost in performance.
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