tree 33100ac63635f4e29de6a37ba4532d07950f76b1
parent 8b14518fadd9d5915827d86d5c10e602fedf042e
author Joerg Roedel <joerg.roedel@amd.com> 1215106510 +0200
committer Ingo Molnar <mingo@elte.hu> 1215164683 +0200

x86, AMD IOMMU: don't try to init IOMMU if early detect code did not detect one

This patch adds a check if the early detect code has found AMD IOMMU hardware
descriptions and does not try to initialize hardware if the check failed.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Cc: iommu@lists.linux-foundation.org
Cc: bhavna.sarathy@amd.com
Cc: robert.richter@amd.com
Cc: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>