[dpdk-stable] [dpdk-dev] [PATCH v3 3/3] net/i40e: fix segment fault in AVX512

[Coyle, David]

> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Wenzhuo Lu
> Sent: Tuesday, March 30, 2021 6:30 AM
> To: dev at dpdk.org
> Cc: Lu, Wenzhuo <wenzhuo.lu at intel.com>; stable at dpdk.org
> Subject: [dpdk-dev] [PATCH v3 3/3] net/i40e: fix segment fault in AVX512
>
> Fix segment fault when failing to get the memory from the pool.
>
> Fixes: e6a6a138919f ("net/i40e: add AVX512 vector path")
> Cc: stable at dpdk.org
>
> Reported-by: David Coyle <David.Coyle at intel.com>
> Signed-off-by: Wenzhuo Lu <wenzhuo.lu at intel.com>
> ---
>  drivers/net/i40e/i40e_rxtx_vec_avx2.c   | 117 +------------------
>  drivers/net/i40e/i40e_rxtx_vec_avx512.c |   5 +-
>  drivers/net/i40e/i40e_rxtx_vec_common.h | 201
> ++++++++++++++++++++++++++++++++
>  3 files changed, 207 insertions(+), 116 deletions(-)
>

The patch fixes the seg fault, but note I have only tested the default '#ifndef RTE_LIBRTE_I40E_16BYTE_RX_DESC ' path

Tested-by: David Coyle <david.coyle at intel.com>