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authorSebastian Andrzej Siewior2009-06-18 10:19:12 +0200
committerPierre Ossman2009-07-31 12:28:45 +0200
commit6de7e356faf54aa75de5b624bbce28a5b776dfa8 (patch)
tree09b341b7c1371448a5ae8a9cd4009a4f81f4a3dd /net/phonet
parentb592972493c38665efd7d429a01b23fcb21e331a (diff)
lib/scatterlist: add a flags to signalize mapping direction
sg_miter_start() is currently unaware of the direction of the copy process (to or from the scatter list). It is important to know the direction because the page has to be flushed in case the data written is seen on a different mapping in user land on cache incoherent architectures. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Acked-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Pierre Ossman <pierre@ossman.eu>
Diffstat (limited to 'net/phonet')
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