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68750e820b
Stop pinning modules indefinitely upon file handler registration. Instead, dynamically increment the module reference count only when a live update session actively uses the file handler (e.g., during preservation or deserialization), and release it when the session ends. This allows modules providing live update handlers to be gracefully unloaded when no live update is in progress. Link: https://lore.kernel.org/20260327033335.696621-11-pasha.tatashin@soleen.com Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com> Reviewed-by: Pratyush Yadav (Google) <pratyush@kernel.org> Cc: David Matlack <dmatlack@google.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Samiullah Khawaja <skhawaja@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>