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0568a4086a
Do not hold xef->exec_queue.lock mutex while parsing the xarray xef->exec_queue.xa in xe_file_close() as it is not needed and will cause an unwanted dependency between this lock and the vm->lock. This lock protects the exec queue lookup and reference taking which doesn't apply to this code path. When FD is closing, IOCTLs presumably can't be modifying the xarray. v2: Update commit text (Matt Brost) v3: Add more code comment (Rodrigo Vivi) v4: Further expand code comment (Rodirgo Vivi) Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Jagmeet Randhawa <jagmeet.randhawa@intel.com> Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20240529221639.23117-1-niranjana.vishwanathapura@intel.com