From: Maciej Sosnowski <maciej.sosnowski@intel.com>
Date: Thu, 26 Feb 2009 10:04:23 +0000 (+0100)
Subject: I/OAT: add verification for proper APICID_TAG_MAP setting by BIOS
X-Git-Tag: v2.6.29-rc8~61^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=49bc46360d68156ce82b2b1a12badb80078453a0;p=pandora-kernel.git

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>
---

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