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| author | Alexander Duyck <alexander.h.duyck@intel.com> | 2016-12-14 15:05:21 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-14 16:04:08 -0800 |
| commit | 4bfa135abec99f4b35b5636f56a6db75ce3c64d7 (patch) | |
| tree | d2f9f62c176a96747c97b2f0246af7f113c6707a /mm | |
| parent | 33c77e53d838dc27e9d2edec5b6ab6a11861fb32 (diff) | |
| download | op-kernel-dev-4bfa135abec99f4b35b5636f56a6db75ce3c64d7.zip op-kernel-dev-4bfa135abec99f4b35b5636f56a6db75ce3c64d7.tar.gz | |
arch/xtensa: 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/20161110113555.76501.52536.stgit@ahduyck-blue-test.jf.intel.com
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions
