On Mon, 14 Oct 2019 12:49:51 +0200, Lorenzo Bianconi wrote: > mvneta driver can run on not cache coherent devices so it is > necessary to sync DMA buffers before sending them to the device > in order to avoid memory corruptions. Running perf analysis we can > see a performance cost associated with this DMA-sync (anyway it is > already there in the original driver code). In follow up patches we > will add more logic to reduce DMA-sync as much as possible. > > Signed-off-by: Jesper Dangaard Brouer <bro...@redhat.com> > Signed-off-by: Lorenzo Bianconi <lore...@kernel.org>
Should this not be squashed into patch 2? Isn't there a transient bug otherwise?
