[dpdk-dev] [PATCH] doc: announce ABI change on eal and kni

[Ferruh Yigit]

On 4/29/2019 5:24 PM, Stephen Hemminger wrote:
> On Mon, 29 Apr 2019 10:28:36 +0100
> Ferruh Yigit <ferruh.yigit at intel.com> wrote:
> 
>>>
>>>   
>>>> +* kni: Modify function return value for the sake of removing rte_panic
>>>> +       from the init sequence in version 19.08.
>>>> +  - In ``lib/librte_kni/rte_kni_fifo.h`` replace
>>>> +    ``static void kni_fifo_init(struct rte_kni_fifo *fifo, unsigned size)``
>>>> +    to return ``int``  
>>>
>>> This is not a public API really so no deprecation needed.
>>> It is just an include file used internally by library and the driver.
>>>   
> 
> This does introduce the possibility of kernel/library version mismatch.
> You might want to add a magic number to shared data structure.
> 

Changing 'kni_fifo_init()' return type shouldn't be a problem at all,
perhaps it would be a problem if the content of the fifo changed but it is not
the case.