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| author | Dan Williams <dan.j.williams@intel.com> | 2010-05-02 00:22:56 +0200 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2010-05-02 00:22:56 +0200 |
| commit | 2adfc550b6d9646301c810643bc309fa49375987 (patch) | |
| tree | 1e1fe80772dc588be2dc294d8b9f371caec3f0b0 /drivers/watchdog | |
| parent | ioat2,3: convert to producer/consumer locking (diff) | |
| download | linux-2adfc550b6d9646301c810643bc309fa49375987.tar.xz linux-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 <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/watchdog')
0 files changed, 0 insertions, 0 deletions