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| 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 /arch/x86/mm/fault.c | |
| parent | dmaengine: update kerneldoc (diff) | |
| download | linux-dev-49bc46360d68156ce82b2b1a12badb80078453a0.tar.xz linux-dev-49bc46360d68156ce82b2b1a12badb80078453a0.zip | |
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 'arch/x86/mm/fault.c')
0 files changed, 0 insertions, 0 deletions