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Previously, CCS save/restore operations created separate migration contexts with new VM memory allocations, resulting in significant overhead. This commit eliminates redundant context creation reusing the default migration context by registering new execution queues for CCS save and restore on the existing migrate VM. Signed-off-by: Satyanarayana K V P <satyanarayana.k.v.p@intel.com> Suggested-by: Matthew Brost <matthew.brost@intel.com> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: John Harrison <John.C.Harrison@Intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Stuart Summers <stuart.summers@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://lore.kernel.org/r/20250808073628.32745-2-satyanarayana.k.v.p@intel.com