tree 5f45acfa1010edb9a1a481a9ad40e82322a75837
parent 21b764e075e74f8af90da9f623aa3e2167484687
author Dave Jiang <dave.jiang@intel.com> 1333581041 -0700
committer Dan Williams <dan.j.williams@intel.com> 1333664675 -0700

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>