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Mon, 13 Jul 2020 13:37:31 -0400 (EDT) From: Thomas Monjalon <thomas@monjalon.net> To: Konstantin Ananyev <konstantin.ananyev@intel.com> Cc: dev@dpdk.org, olivier.matz@6wind.com, arybchenko@solarflare.com, jielong.zjl@antfin.com, gage.eads@intel.com, Konstantin Ananyev <konstantin.ananyev@intel.com> Date: Mon, 13 Jul 2020 19:37:29 +0200 Message-ID: <43101277.Wr5N64qcEc@thomas> In-Reply-To: <20200713155050.27743-3-konstantin.ananyev@intel.com> References: <20200710162119.27653-1-konstantin.ananyev@intel.com> <20200713155050.27743-1-konstantin.ananyev@intel.com> <20200713155050.27743-3-konstantin.ananyev@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Subject: Re: [dpdk-dev] [PATCH v4 2/2] mempool/ring: add support for new ring sync modes X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org Sender: "dev" <dev-bounces@dpdk.org> 13/07/2020 17:50, Konstantin Ananyev: > Two new sync modes were introduced into rte_ring: > relaxed tail sync (RTS) and head/tail sync (HTS). > This change provides user with ability to select these > modes for ring based mempool via mempool ops API. > > Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com> > Acked-by: Gage Eads <gage.eads@intel.com> > --- > doc/guides/mempool/ring.rst | 10 +++ > doc/guides/rel_notes/release_20_08.rst | 6 ++ > drivers/mempool/ring/rte_mempool_ring.c | 88 ++++++++++++++++++++++--- > 3 files changed, 95 insertions(+), 9 deletions(-) > > diff --git a/doc/guides/mempool/ring.rst b/doc/guides/mempool/ring.rst > index b8659c03f..9e2824070 100644 > --- a/doc/guides/mempool/ring.rst > +++ b/doc/guides/mempool/ring.rst > @@ -29,6 +29,16 @@ and can be selected via mempool ops API: > Underlying **rte_ring** operates in multi-thread producer, > single-thread consumer sync mode. > > +- ``ring_mt_rts`` > + > + For underlying **rte_ring** both producer and consumer operate in > + multi-thread Relaxed Tail Sync (RTS) mode. > + > +- ``ring_mt_hts`` > + > + For underlying **rte_ring** both producer and consumer operate in > + multi-thread Haad-Tail Sync (HTS) mode. Typo Haad -> Head Please explain what these modes mean and why/when use them.