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  • linux-arm
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  • linux-dm
  • drivers
  • iommu
  • amd_iommu_types.h
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  • Joerg Roedel's avatar
    iommu/amd: Lock dev_data in attach/detach code paths · ab7b2577
    Joerg Roedel authored Sep 25, 2019
    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: default avatarFilippo Sironi <sironi@amazon.de>
    Reviewed-by: default avatarJerry Snitselaar <jsnitsel@redhat.com>
    Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
    ab7b2577

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