iommu/vt-d: Check device list of domain in domain free path

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When the IOMMU domain is about to be freed, it should not be set on any
device. Instead of silently dealing with some bug cases, it's better to
trigger a warning to report and fix any potential bugs at the first time.

Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Link: https://lore.kernel.org/r/20220706025524.2904370-9-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Lu Baolu 2022-07-12 08:08:59 +08:00 • committed by Joerg Roedel

parent 8430fd3f32

commit 79d82ce402

1 changed files with 3 additions and 15 deletions

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drivers/iommu/intel/iommu.c

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