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config: add annotation for exec isolated CPU affinity #1252

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config: add annotation for exec isolated CPU affinity #1252

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1 change: 1 addition & 0 deletions config.md
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Expand Up @@ -712,6 +712,7 @@ The following keys in the `org.opencontainers` namespaces MAY be used:
| `org.opencontainers.image.author` | Indicates the author of the container image. The annotation value MUST have a valid value for the `author` property as defined in [the OCI image specification][oci-image-config-properties]. This annotation SHOULD only be used in accordance with the [OCI image specification's runtime conversion specification][oci-image-conversion]. |
| `org.opencontainers.image.created` | Indicates the date and time when the container image was created. The annotation value MUST have a valid value for the `created` property as defined in [the OCIimage specification][oci-image-config-properties]. This annotation SHOULD only be used in accordance with the [OCI image specification's runtime conversion specification][oci-image-conversion]. |
| `org.opencontainers.image.stopSignal` | Indicates signal that SHOULD be sent by the container runtimes to [kill the container](runtime.md#kill). The annotation value MUST have a valid value for the `config.StopSignal` property as defined in [the OCI image specification][oci-image-config-properties]. This annotation SHOULD only be used in accordance with the [OCI image specification's runtime conversion specification][oci-image-conversion]. |
| `org.opencontainers.runtime.exec.isolated-cpu-affinity-transition` | Controls the CPU affinity of a process created with an exec into an existing container. This annotation supports these values:<br>`temporary`: to temporarily set the process CPU affinity to the first isolated CPU of the container cgroup cpuset<br>`definitive`: to definitively (i.e. permanently) set the process CPU affinity to the first isolated CPU of the container cgroup cpuset |

All other keys in the `org.opencontainers` namespace not specified in this above table are reserved and MUST NOT be used by subsequent specifications.
Runtimes MUST handle unknown annotation keys like any other [unknown property](#extensibility).
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