diff options
author | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 12:01:04 -0700 |
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committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-08 17:30:24 -0700 |
commit | 4fb9b9e8d55880523db550043dfb204696dd0422 (patch) | |
tree | 733a672aeb819bb8133b16329a6b5088cf9ee693 /drivers/dma/dmaengine.c | |
parent | 6df9183a153291a2585a8dfe67597fc18c201147 (diff) |
ioat: cleanup completion status reads
The cleanup path makes an effort to only perform an atomic read of the
64-bit completion address. However in the 32-bit case it does not
matter if we read the upper-32 and lower-32 non-atomically because the
upper-32 will always be zero.
Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/dmaengine.c')
0 files changed, 0 insertions, 0 deletions