| commit | f26df1a1a9452573af7b6cea9a4723593e838568 | [log] [tgz] |
|---|---|---|
| author | Dave Jiang <dave.jiang@intel.com> | Wed Apr 04 16:10:41 2012 -0700 |
| committer | Dan Williams <dan.j.williams@intel.com> | Thu Apr 05 15:24:35 2012 -0700 |
| tree | 5f45acfa1010edb9a1a481a9ad40e82322a75837 | |
| parent | 21b764e075e74f8af90da9f623aa3e2167484687 [diff] |
ioatdma: DMA copy alignment needed to address IOAT DMA silicon errata Silicon errata where when RAID and legacy descriptors are mixed, the legacy (memcpy and friends) operation must have alignment of 64 bytes to avoid hanging. This effects Intel Xeon C55xx, C35xx, E5-2600. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com>