[dpdk-dev] [PATCH] common/octeontx2: fix to prevent STP instruction fissure

[Thomas Monjalon]

26/07/2019 07:24, jerinj at marvell.com:
> From: Jerin Jacob <jerinj at marvell.com>
> 
> OTX2 AP core can sometimes fissure STP instructions when it is more
> optimal to send such writes into the pipeline as 2 separate
> instructions. However registers should be excluded from such
> optimization. This commit ensures that no CSR write is ever fissured
> by introducing zero cost workaround by setting STP pre-index by zero to
> make sure OTX2 AP core prevent fissure.
> 
> Fixes: 8a4f835971f5 ("common/octeontx2: add IO handling APIs")
> 
> Signed-off-by: Jerin Jacob <jerinj at marvell.com>

Applied, thanks