Re: [dpdk-stable] [dpdk-dev] [PATCH v7 1/2] ring: add reset API to flush the ring when not in use

[Thomas Monjalon <thomas@monjalon.net>]

29/03/2019 15:17, Olivier Matz:
> Hi,
> 
> On Fri, Mar 15, 2019 at 11:31:25AM +0800, Gavin Hu wrote:
> > Currently, the flush is done by dequeuing the ring in a while loop. It is
> > much simpler to flush the queue by resetting the head and tail indices.
> > 
> > Fixes: af75078fece3 ("first public release")
> > Cc: stable@dpdk.org
> > 
> > Signed-off-by: Gavin Hu <gavin.hu@arm.com>
> > Reviewed-by: Ruifeng Wang <ruifeng.wang@arm.com>
> > Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
> > ---
> > --- a/lib/librte_ring/rte_ring_version.map
> > +++ b/lib/librte_ring/rte_ring_version.map
> > @@ -17,3 +17,10 @@ DPDK_2.2 {
> >  	rte_ring_free;
> >  
> >  } DPDK_2.0;
> > +
> > +EXPERIMENTAL {
> > +    global:
> > +
> > +	rte_ring_reset;
> > +
> > +};
> 
> To me, a static inline function does not need to be added in
> rte_ring_version.map (or is it due to a check script checking the
> __rte_experimental tag ?). I found at least one commit where it
> is not the case:
> c277b34c1b3b ("mbuf: add function returning buffer address")
> 
> There are 2 options:
> 1- remove the rte_ring_version.map part of the patch.
> 2- change the static inline function into a standard function.
> 
> I would prefer 2-, because it allows to keep an api/abi compat
> layer in the future.

There are no news about this patch.
I classify it as changes requested.