Add checkpoint-and-restore support for sysfs #2
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This commit removes topology related stuff from `PAL_CONTROL` struct and exposes it as a stand-alone struct to both PAL and LibOS. Currently `PAL_CONTROL` is used a const ptr in LibOS which prevents us from modifying the objects during checkpoint-and-restore. Signed-off-by: Vijay Dhanraj <vijay.dhanraj@intel.com>
Signed-off-by: Vijay Dhanraj <vijay.dhanraj@intel.com>
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Description of the changes
This PR adds checkpoint-and-restore support for sysfs. It addresses issue 3 listed as part of gramineproject/graphene#2105
How to test this PR?
This PR depends on gramineproject/graphene#2661. Please apply these changes before trying out current PR.
Run sysfs_common and proc_common regression tests to validate the PR.
This change is