iommu/vt-d: Don't register bus-notifier under dmar_global_lock

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The notifier function will take the dmar_global_lock too, so
lockdep complains about inverse locking order when the
notifier is registered under the dmar_global_lock.

Reported-by: Jan Kiszka <jan.kiszka@siemens.com>
Fixes: 59ce0515cd ('iommu/vt-d: Update DRHD/RMRR/ATSR device scope caches when PCI hotplug happens')
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Joerg Roedel 2017-10-06 15:00:53 +02:00

parent 9e66317d3c

commit ec154bf56b

3 changed files with 16 additions and 2 deletions

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include/linux/dmar.h

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