Re: [dpdk-dev] [PATCH v4] net/mlx5: relaxed ordering for multi-packet RQ buffer refcnt

[Raslan Darawsheh <rasland@nvidia.com>]

Hi,

> -----Original Message-----
> From: Phil Yang <phil.yang@arm.com>
> Sent: Thursday, September 3, 2020 5:53 AM
> To: akozyrev@mellanox.com; rasland@mellanox.com; dev@dpdk.org
> Cc: Honnappa.Nagarahalli@arm.com; Phil.Yang@arm.com;
> matan@mellanox.com; Shahaf Shuler <shahafs@mellanox.com>;
> viacheslavo@mellanox.com; nd@arm.com
> Subject: [PATCH v4] net/mlx5: relaxed ordering for multi-packet RQ buffer
> refcnt
> 
> Use c11 atomics with RELAXED ordering instead of the rte_atomic ops
> which enforce unnecessary barriers on aarch64.
> 
> Signed-off-by: Phil Yang <phil.yang@arm.com>
> ---
> v4:
> Remove the unnecessary ACQUIRE barrier in rx burst path. (Honnappa)
> 
> v3:
> Split from the patchset:
> https://nam11.safelinks.protection.outlook.com/?url=http%3A%2F%2Fpatch
> work.dpdk.org%2Fcover%2F68159%2F&amp;data=02%7C01%7Crasland%40n
> vidia.com%7Ca89037e982b84575f58808d84fb493d9%7C43083d15727340c1b7d
> b39efd9ccc17a%7C0%7C0%7C637346984280298342&amp;sdata=hjWErvvV%2
> Fg%2Bpb%2FMMzepHuRK0Weftf%2BFC2NNWsyoWSyo%3D&amp;reserved
> =0
> 
>  drivers/net/mlx5/mlx5_rxq.c  |  2 +-
>  drivers/net/mlx5/mlx5_rxtx.c | 16 +++++++++-------
>  drivers/net/mlx5/mlx5_rxtx.h |  2 +-
>  3 files changed, 11 insertions(+), 9 deletions(-)
> 

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh