dev-docs: how does CDI work? #1896
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burgerdev
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Nov 1, 2025
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| For every regular container, the Kata agent checks the devices in the OCI spec against the list of attached PCIe devices. | ||
| If there's a match, it [adds a _sibling annotation_](https://github.com/kata-containers/kata-containers/blob/c75a46d17f800e1d825aca31c62c7bf3f44ca8b1/src/runtime/virtcontainers/container.go#L1098-L1111). |
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@charludo: If we want to go back to the original device assignment, we could replace this check with something that applies more broadly. Maybe not assign the device to every container, but according to env vars (NVIDIA_VISIBLE_DEVICES comes to mind).
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