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| author | Dan Williams <[email protected]> | 2010-05-01 22:22:56 +0000 |
|---|---|---|
| committer | Dan Williams <[email protected]> | 2010-05-01 22:22:56 +0000 |
| commit | 2adfc550b6d9646301c810643bc309fa49375987 (patch) | |
| tree | 1e1fe80772dc588be2dc294d8b9f371caec3f0b0 /scripts/mod/file2alias.c | |
| parent | ioat2,3: convert to producer/consumer locking (diff) | |
| download | kernel-2adfc550b6d9646301c810643bc309fa49375987.tar.gz kernel-2adfc550b6d9646301c810643bc309fa49375987.zip | |
ioat3: disable cacheline-unaligned transfers for raid operations
There are cases where cacheline-unaligned raid operations can hang the
dma channel. Simply disable these operations by increasing the
alignment constraints published to async_tx. The raid456 driver always
issues page aligned requests, so the only in-kernel user of the ioatdma
driver that is affected by this change is dmatest.
Signed-off-by: Dan Williams <[email protected]>
Diffstat (limited to 'scripts/mod/file2alias.c')
0 files changed, 0 insertions, 0 deletions