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Radostin Stoyanov c42b58f4fb plugin: enable multiple plugins for the same hook 
CRIU provides two plugins for checkpoint/restore of GPU applications:
amdgpu and cuda. Both plugins use the `RESUME_DEVICES_LATE` hook to
enable restore:

    CR_PLUGIN_REGISTER_HOOK(CR_PLUGIN_HOOK__RESUME_DEVICES_LATE, amdgpu_plugin_resume_devices_late)
    CR_PLUGIN_REGISTER_HOOK(CR_PLUGIN_HOOK__RESUME_DEVICES_LATE, cuda_plugin_resume_devices_late)

However, CRIU currently does not support running more than one plugin
for the same hook. As a result, when both plugins are installed, the
resume function for CUDA applications is not executed. To fix this,
we need to make sure that both `plugin_resume_devices_late()` functions
return `-ENOTSUP` when restore is not supported.

Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>
2024-09-11 16:02:11 -07:00
..
amdgpu plugin: enable multiple plugins for the same hook 2024-09-11 16:02:11 -07:00
cuda plugin: enable multiple plugins for the same hook 2024-09-11 16:02:11 -07:00