Re: [dpdk-dev] [RFC PATCH 0/3] RCU integration with LPM library

[Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>]

+ Stephen, Konstantin - for your feedback on the RCU integration design.

> -----Original Message-----
> From: Ruifeng Wang <ruifeng.wang@arm.com>
> Sent: Thursday, August 22, 2019 1:35 AM
> To: bruce.richardson@intel.com; vladimir.medvedkin@intel.com;
> olivier.matz@6wind.com
> Cc: dev@dpdk.org; Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>;
> Dharmik Thakkar <Dharmik.Thakkar@arm.com>; nd <nd@arm.com>; Ruifeng
> Wang (Arm Technology China) <Ruifeng.Wang@arm.com>
> Subject: [RFC PATCH 0/3] RCU integration with LPM library
> 
> This patchset integrates RCU QSBR support with LPM library.
> 
> Document is added with suggested design of integrating RCU library with other
> libraries in DPDK.
> As an example, LPM library adds the integration. RCU is used to safely free tbl8
> groups that can be recycled. Table will not be reclaimed or reused until reader
> finished referencing it.
> 
> New API rte_lpm_rcu_qsbr_add is introduced for application to register a RCU
> variable that LPM library will use.
> 
> New API rte_ring_peek is introduced to help on management of reclaiming
> FIFO queue.
> 
> 
> Honnappa Nagarahalli (1):
>   doc/rcu: add RCU integration design details
> 
> Ruifeng Wang (2):
>   lib/ring: add peek API
>   lib/lpm: integrate RCU QSBR
> 
>  doc/guides/prog_guide/rcu_lib.rst  |  51 +++++++
>  lib/librte_lpm/Makefile            |   3 +-
>  lib/librte_lpm/meson.build         |   2 +
>  lib/librte_lpm/rte_lpm.c           | 218 +++++++++++++++++++++++++++--
>  lib/librte_lpm/rte_lpm.h           |  22 +++
>  lib/librte_lpm/rte_lpm_version.map |   6 +
>  lib/librte_ring/rte_ring.h         |  30 ++++
>  lib/meson.build                    |   3 +-
>  8 files changed, 320 insertions(+), 15 deletions(-)
> 
> --
> 2.17.1