diff options
| author | Krzysztof Halasa <[email protected]> | 2010-01-08 14:42:36 -0800 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2010-01-11 09:34:04 -0800 |
| commit | 42d53b4ff7d61487d18274ebdf1f70c1aef6f122 (patch) | |
| tree | 55ef141c2c6e9ef52c724dd6aec03a8708d288b1 /tools/perf/scripts/python | |
| parent | e992cd9b72a18122bd5c958715623057f110793f (diff) | |
dma-debug: allow DMA_BIDIRECTIONAL mappings to be synced with DMA_FROM_DEVICE and
There is no need to perform full BIDIR sync (copying the buffers in case
of swiotlb and similar schemes) if we know that the owner (CPU or device)
hasn't altered the data.
Addresses the false-positive reported at
http://bugzilla.kernel.org/show_bug.cgi?id=14169
Signed-off-by: Krzysztof Halasa <[email protected]>
Cc: David Miller <[email protected]>
Cc: Joerg Roedel <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions