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Joerg Roedel authored
Make sure that attaching a detaching a device can't race against each other and protect the iommu_dev_data with a spin_lock in these code paths. Fixes: 92d420ec ("iommu/amd: Relax locking in dma_ops path") Reviewed-by:
Filippo Sironi <sironi@amazon.de> Reviewed-by:
Jerry Snitselaar <jsnitsel@redhat.com> Signed-off-by:
Joerg Roedel <jroedel@suse.de>
ab7b2577