[dpdk-dev] [PATCH v3] mbuf: extend pktmbuf pool private structure
Thomas Monjalon
thomas at monjalon.net
Sun Nov 24 19:05:03 CET 2019
24/11/2019 18:50, Stephen Hemminger:
> On Sun, 24 Nov 2019 05:53:46 +0000
> Shahaf Shuler <shahafs at mellanox.com> wrote:
>
> > diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c
> > index 35df1c4c38..8fa7f49645 100644
> > --- a/lib/librte_mbuf/rte_mbuf.c
> > +++ b/lib/librte_mbuf/rte_mbuf.c
> > @@ -49,7 +49,7 @@ rte_pktmbuf_pool_init(struct rte_mempool *mp, void *opaque_arg)
> > /* if no structure is provided, assume no mbuf private area */
> > user_mbp_priv = opaque_arg;
> > if (user_mbp_priv == NULL) {
> > - default_mbp_priv.mbuf_priv_size = 0;
> > + memset(&default_mbp_priv, 0, sizeof(default_mbp_priv));
>
> An alternative would be to use structure initialization.
>
> struct rte_pktmbuf_pool_private default_mbp_priv = { };
I think we used to have issues with such structure initialization.
If I remember well, icc was not always happy with such construct...
memset is safe
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