Re: [PATCH 1/4] RDMA/bnxt_re: Add memory barriers when processing CQ/EQ entries

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On Mon, Nov 06, 2017 at 08:07:29AM -0800, Selvin Xavier wrote:
> From: Somnath Kotur <somnath.kotur@xxxxxxxxxxxx>
> 
> The code determines if the next ring entry is valid before proceeding
> further to read the rest of the entry. The CPU can re-order and read
> the rest of the entry first, possibly reading a stale entry, if DMA
> of a new entry happens right after reading it.

Please make sure the bnxt user space stuff in rdma-core does not have the
same problem...

Jason
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