iommu/vt-d: Enable IOMMU perfmon support

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Register and enable an IOMMU perfmon for each active IOMMU device.

The failure of IOMMU perfmon registration doesn't impact other
functionalities of an IOMMU device.

Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20230128200428.1459118-8-kan.liang@linux.intel.com
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Kan Liang 2023-01-31 15:37:40 +08:00 • committed by Joerg Roedel

parent 4a0d426565

commit d8a7c0cf05

2 changed files with 6 additions and 0 deletions

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3

drivers/iommu/intel/dmar.c

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3

drivers/iommu/intel/iommu.c

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