I attached this patchset into another thread for patches fixing a performance regression by cross-release, so that the cross-release can be re-enabled easily as the last, after fixing false positives as well. Changes from v1 - Separate a patch removing white space Byungchul Park (4): completion: Add support for initializing completion with lockdep_map lockdep: Remove unnecessary acquisitions wrt workqueue flush genhd.h: Remove trailing white space lockdep: Assign a lock_class per gendisk used for wait_for_completion() block/bio.c | 2 +- block/genhd.c | 13 +++++-------- include/linux/completion.h | 8 ++++++++ include/linux/genhd.h | 26 ++++++++++++++++++++++---- include/linux/workqueue.h | 4 ++-- kernel/workqueue.c | 20 ++++---------------- 6 files changed, 42 insertions(+), 31 deletions(-) -- 1.9.1