| commit | ab7b2577f0d119052b98b8d913bad369ac2760eb | [log] [tgz] |
|---|---|---|
| author | Joerg Roedel <jroedel@suse.de> | Wed Sep 25 15:22:59 2019 +0200 |
| committer | Joerg Roedel <jroedel@suse.de> | Sat Sep 28 14:44:04 2019 +0200 |
| tree | fb3c380fff0299866ebdc89fd52010d1bc4782f8 | |
| parent | 45e528d9c479aeef2d3d1db1e619b243f91e324f [diff] |
iommu/amd: Lock dev_data in attach/detach code paths
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: 92d420ec028d ("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>