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authorJakub Kicinski <jakub.kicinski@netronome.com>2017-04-22 20:17:52 -0700
committerDavid S. Miller <davem@davemloft.net>2017-04-24 14:35:44 -0400
commit5cd4fbeab21b89e08df4590b2020f2e5f60c0d19 (patch)
tree491fddcdad6232e9bfe119624760f5fe4776608e /Documentation/netlabel
parent0d688a0d337628ded9bb05c99f35fac7424af4f8 (diff)
nfp: make use of the DMA_ATTR_SKIP_CPU_SYNC attr
DMA unmap may destroy changes CPU made to the buffer. To make XDP run correctly on non-x86 platforms we should use the DMA_ATTR_SKIP_CPU_SYNC attribute. Thanks to using the attribute we can now push the sync operation to the common code path from XDP handler. A little bit of variable name reshuffling is required to bring the code back to readable state. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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