From: Eric Nelson <e...@nelint.com> Date: Sat, 24 Sep 2016 07:42:16 -0700
> This patch series is the outcome of investigation into very high > numbers of alignment faults on kernel 4.1.33 from the linux-fslc > tree: > https://github.com/freescale/linux-fslc/tree/4.1-1.0.x-imx > > The first two patches remove support for the receive accelerator (RACC) from > the i.MX25 and i.MX27 SoCs which don't support the function. > > The third patch enables hardware alignment of the ethernet packet payload > (and especially the IP header) to prevent alignment faults in the IP stack. > > Testing on i.MX6UL on the 4.1.33 kernel showed that this patch removed > on the order of 70k alignment faults during a 100MiB transfer using > wget. > > Testing on an i.MX6Q (SABRE Lite) board on net-next (4.8.0-rc7) showed > a much more modest improvement from 10's of faults, and it's not clear > why that's the case. Series applied and queued up for -stable.
