| commit | f6c0bfce271b2dd613e8b8e009eefe89c1f788e8 | [log] [tgz] |
|---|---|---|
| author | Joerg Roedel <jroedel@suse.de> | Wed Sep 25 15:22:57 2019 +0200 |
| committer | Joerg Roedel <jroedel@suse.de> | Sat Sep 28 14:43:52 2019 +0200 |
| tree | c01bbfce2692ac4d1f7f620a26ca98c52adea28c | |
| parent | 3a11905b69eb026402448c750f97a0eadfa76b08 [diff] |
iommu/amd: Take domain->lock for complete attach/detach path
The code-paths before __attach_device() and __detach_device() are called
also access and modify domain state, so take the domain lock there too.
This allows to get rid of the __detach_device() function.
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>