From: Leon Romanovsky <leonro@xxxxxxxxxx> Changelog: v4: * Added comment near cm_destroy_av() * Changed "unregistration lock" to be "mad_agent_lock" in the comment * Removed unclear comment v3: https://lore.kernel.org/lkml/cover.1620720467.git.leonro@xxxxxxxxxx * Removed double unlock * Changes in cma_release flow v2: https://lore.kernel.org/lkml/cover.1619004798.git.leonro@xxxxxxxxxx * Included Jason's patches in this series v1: https://lore.kernel.org/linux-rdma/20210411122152.59274-1-leon@xxxxxxxxxx * Squashed "remove mad_agent ..." patches to make sure that we don't need to check for the NULL argument. v0: https://lore.kernel.org/lkml/20210318100309.670344-1-leon@xxxxxxxxxx ------------------------------------------------------------------------------- Hi, This series from Mark fixes long standing bug in CM migration logic, reported by Ryan [1]. Thanks [1] https://lore.kernel.org/linux-rdma/CAFMmRNx9cg--NUnZjFM8yWqFaEtsmAWV4EogKb3a0+hnjdtJFA@xxxxxxxxxxxxxx/ Jason Gunthorpe (4): IB/cm: Pair cm_alloc_response_msg() with a cm_free_response_msg() IB/cm: Split cm_alloc_msg() IB/cm: Call the correct message free functions in cm_send_handler() IB/cm: Tidy remaining cm_msg free paths Mark Zhang (4): Revert "IB/cm: Mark stale CM id's whenever the mad agent was unregistered" IB/cm: Simplify ib_cancel_mad() and ib_modify_mad() calls IB/cm: Improve the calling of cm_init_av_for_lap and cm_init_av_by_path IB/cm: Protect cm_dev, cm_ports and mad_agent with kref and lock drivers/infiniband/core/cm.c | 621 +++++++++++++++-------------- drivers/infiniband/core/mad.c | 17 +- drivers/infiniband/core/sa_query.c | 4 +- include/rdma/ib_mad.h | 27 +- 4 files changed, 346 insertions(+), 323 deletions(-) -- 2.31.1
