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| author |   Joerg Roedel <jroedel@suse.de> | 2019-09-25 15:22:58 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2019-09-28 14:43:58 +0200 |
| commit | 45e528d9c479aeef2d3d1db1e619b243f91e324f (patch) | |
| tree | 4e25b8515f6b8319e6951ea5c4ea87afc050f22b /lib/irq_regs.c | |
| parent | iommu/amd: Take domain->lock for complete attach/detach path (diff) | |
| download | linux-dev-45e528d9c479aeef2d3d1db1e619b243f91e324f.tar.xz linux-dev-45e528d9c479aeef2d3d1db1e619b243f91e324f.zip | |
iommu/amd: Check for busy devices earlier in attach_device()
Check early in attach_device whether the device is already attached to a
domain. This also simplifies the code path so that __attach_device() can
be removed.
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>
Diffstat (limited to 'lib/irq_regs.c')
0 files changed, 0 insertions, 0 deletions