diff options
| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2016-12-14 15:05:09 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-14 16:04:07 -0800 |
| commit | 6f774809612d1f1fc800b452ee1ef447a277ec9d (patch) | |
| tree | f2bb7f35ceb5ec707cdb8ddc9b8ec95edcd54bf9 /Kbuild | |
| parent | f50a2bd298b47e1957f67f794aed90f2c3bd9a10 (diff) | |
arch/powerpc: add option to skip DMA sync as a part of mapping
This change allows us to pass DMA_ATTR_SKIP_CPU_SYNC which allows us to
avoid invoking cache line invalidation if the driver will just handle it
via a sync_for_cpu or sync_for_device call.
Link: http://lkml.kernel.org/r/20161110113534.76501.86492.stgit@ahduyck-blue-test.jf.intel.com
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'Kbuild')
0 files changed, 0 insertions, 0 deletions