On 12/19/2016 09:07 PM, James Smart wrote:
On loosely ordered memory systems (PPC for example), the WQE elements were being updated in memory, but not necessarily flushed before the separate doorbell was written to hw which would cause hw to dma the WQE element. Thus, the hardware occasionally received partially updated WQE data. Add the memory barrier after updating the WQE memory.
Reviewed-by: Mauricio Faria de Oliveira <mauricfo@xxxxxxxxxxxxxxxxxx> Martin, may you please flag this patch for stable? Thank you, -- Mauricio Faria de Oliveira IBM Linux Technology Center
