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51c0e80299
In TBX mode, the host could not write to host buffers after access from device code due to the lack of a migration mechanism post-initial TBX upload. Migration is unnecessary with real hardware, but required for TBX. This patch introduces a new page fault manager type that extends the original CPU fault manager, enabling automatic migration of host buffers in TBX mode. Refactoring was necessary to avoid diamond inheritance, achieved by using a template parameter as the base class for OS-specific fault managers. Related-To: NEO-12268 Signed-off-by: Jack Myers <jack.myers@intel.com>