[PATCH] net/iavf: replace SMP barrier with thread fence

[Zhang, Qi Z]

> -----Original Message-----
> From: Kathleen Capella <kathleen.capella at arm.com>
> Sent: Tuesday, March 8, 2022 3:27 AM
> To: Wu, Jingjing <jingjing.wu at intel.com>; Xing, Beilei <beilei.xing at intel.com>
> Cc: dev at dpdk.org; nd at arm.com; honnappa.nagarahalli at arm.com;
> joyce.kong at arm.com; Kathleen Capella <kathleen.capella at arm.com>
> Subject: [PATCH] net/iavf: replace SMP barrier with thread fence
> 
> Replace the SMP barrier with atomic thread fence for iavf hw ring scan in the
> bulk Rx path.
> 
> This patch introduces a change to the iavf driver that was already added to the
> i40e driver [1] as part of the adoption of the use of compiler atomics.
> 

> [1] https://patches.dpdk.org/project/dpdk/patch/20210706065404.25137-3-
> joyce.kong at arm.com/

Better replace URL with below commit line
Commit 8649e2356689 ("net/i40e: replace SMP barrier with thread fence in Rx")

Btw, the patch will be deferred to the next release as it's not a critical fix.