https://github.com/torvalds/linux
Revision ab7b2577f0d119052b98b8d913bad369ac2760eb authored by Joerg Roedel on 25 September 2019, 13:22:59 UTC, committed by Joerg Roedel on 28 September 2019, 12:44:04 UTC
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>
1 parent 45e528d
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Tip revision: ab7b2577f0d119052b98b8d913bad369ac2760eb authored by Joerg Roedel on 25 September 2019, 13:22:59 UTC
iommu/amd: Lock dev_data in attach/detach code paths
iommu/amd: Lock dev_data in attach/detach code paths
Tip revision: ab7b257
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| LICENSES | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | -rw-r--r-- | 15.0 KB |
| .cocciconfig | -rw-r--r-- | 59 bytes |
| .get_maintainer.ignore | -rw-r--r-- | 71 bytes |
| .gitattributes | -rw-r--r-- | 30 bytes |
| .gitignore | -rw-r--r-- | 1.7 KB |
| .mailmap | -rw-r--r-- | 12.5 KB |
| COPYING | -rw-r--r-- | 423 bytes |
| CREDITS | -rw-r--r-- | 97.1 KB |
| Kbuild | -rw-r--r-- | 1.5 KB |
| Kconfig | -rw-r--r-- | 595 bytes |
| MAINTAINERS | -rw-r--r-- | 510.9 KB |
| Makefile | -rw-r--r-- | 59.7 KB |
| README | -rw-r--r-- | 727 bytes |
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