[PATCH v1] gpudev: remove unnecessary rte_gpu_wmb

Thomas Monjalon thomas at monjalon.net
Fri Nov 26 12:29:10 CET 2021


25/11/2021 23:40, eagostini at nvidia.com:
> From: Elena Agostini <eagostini at nvidia.com>
> 
> Remove unnecessary rte_gpu_wmb from rte_gpu_comm_populate_list_pkts.
> It causes a performance degradation in case of NVIDIA GPU V100.
> 
> This change doesn't affect any functionality as the status resides
> in CPU registered memory.
> 
> Fixes: c7ebd65c1372 ("gpudev: add communication list")
> 
> Signed-off-by: Elena Agostini <eagostini at nvidia.com>

Applied, thanks.





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