Messages in this thread |  | | Subject | Re: [PATCH] net/mlx4_en: ensure rx_desc updating reaches HW before prod db updating | From | "jianchao.wang" <> | Date | Sun, 14 Jan 2018 10:40:10 +0800 |
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Dear all
Thanks for the kindly response and reviewing. That's really appreciated.
On 01/13/2018 12:46 AM, Eric Dumazet wrote: >> Does this need to be dma_wmb(), and should it be in >> mlx4_en_update_rx_prod_db ? >> > +1 on dma_wmb() > > On what architecture bug was observed ? This issue was observed on x86-64. And I will send a new patch, in which replace wmb() with dma_wmb(), to customer to confirm.
Thanks Jianchao
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