Files
linux/net
Jesper Dangaard Brouer 13f16d9d4a page_pool: use DMA_ATTR_SKIP_CPU_SYNC for DMA mappings
As pointed out by Alexander Duyck, the DMA mapping done in page_pool needs
to use the DMA attribute DMA_ATTR_SKIP_CPU_SYNC.

As the principle behind page_pool keeping the pages mapped is that the
driver takes over the DMA-sync steps.

Reported-by: Alexander Duyck <alexander.duyck@gmail.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-13 22:00:16 -08:00
..
2018-12-25 17:07:49 +09:00
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