diff options
| author | Maciej Sosnowski <maciej.sosnowski@intel.com> | 2009-02-26 11:04:23 +0100 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-03-04 16:04:39 -0700 |
| commit | 49bc46360d68156ce82b2b1a12badb80078453a0 (patch) | |
| tree | df7f187e26e3443384074376f52e47e516cf1bca /drivers/dma/ioat_dma.c | |
| parent | 1d93e52eb48df986a3c4d5ad8a520bf1f6837367 (diff) | |
I/OAT: add verification for proper APICID_TAG_MAP setting by BIOS
BIOS versions for systems with I/OAT ver.2 have been found
which fail to program APICID_TAG_MAP for DCA.
The ioatdma driver should recognize incorrectly set APICID_TAG_MAP
and disable DCA in that case.
Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dma/ioat_dma.c')
0 files changed, 0 insertions, 0 deletions