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RDMA: Use refcount_t for reference counting
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[v2,for-next,00/17] RDMA: Use refcount_t for reference counting
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[v2,for-next,01/17] RDMA/core: Use refcount_t instead of atomic_t on refcount of iwcm_id_private
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[v2,for-next,02/17] RDMA/core: Use refcount_t instead of atomic_t on refcount of iwpm_admin_data
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[v2,for-next,03/17] RDMA/core: Use refcount_t instead of atomic_t on refcount of ib_mad_snoop_priva…
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[v2,for-next,04/17] RDMA/core: Use refcount_t instead of atomic_t on refcount of mcast_member
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[v2,for-next,05/17] RDMA/core: Use refcount_t instead of atomic_t on refcount of mcast_port
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[v2,for-next,06/17] RDMA/core: Use refcount_t instead of atomic_t on refcount of mcast_group
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[v2,for-next,07/17] RDMA/core: Use refcount_t instead of atomic_t on refcount of ib_uverbs_device
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[v2,for-next,08/17] RDMA/hns: Use refcount_t instead of atomic_t for CQ reference counting
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[v2,for-next,09/17] RDMA/hns: Use refcount_t instead of atomic_t for SRQ reference counting
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[v2,for-next,10/17] RDMA/hns: Use refcount_t instead of atomic_t for QP reference counting
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[v2,for-next,11/17] RDMA/cxgb4: Use refcount_t instead of atomic_t for reference counting
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[v2,for-next,12/17] RDMA/i40iw: Use refcount_t instead of atomic_t on refcount of i40iw_cqp_request
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[v2,for-next,13/17] RDMA/i40iw: Use refcount_t instead of atomic_t on refcount of i40iw_cm_listener
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[v2,for-next,14/17] RDMA/i40iw: Use refcount_t instead of atomic_t on refcount of i40iw_puda_buf
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[v2,for-next,15/17] RDMA/i40iw: Use refcount_t instead of atomic_t on refcount of i40iw_cm_node
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[v2,for-next,16/17] RDMA/ipoib: Use refcount_t instead of atomic_t for reference counting
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[v2,for-next,17/17] RDMA/rdmavt: Use refcount_t instead of atomic_t on refcount of rvt_mcast
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There are some refcnt in type of atomic_t in RDMA subsystem, almost all of them is wrote before the refcount_t is acheived in kernel. refcount_t is better than integer for reference counting, it will WARN on overflow/underflow and avoid use-after-free risks. Changes since v1: * Split these patches by variable granularity. * Fix a warning on refcount of struct mcast_group. * Add a patch on rdmavt. * Drop "RDMA/hns: Use refcount_t APIs for HEM". * Link: https://patchwork.kernel.org/project/linux-rdma/cover/1620958299-4869-1-git-send-email-liweihang@huawei.com/ Weihang Li (17): RDMA/core: Use refcount_t instead of atomic_t on refcount of iwcm_id_private RDMA/core: Use refcount_t instead of atomic_t on refcount of iwpm_admin_data RDMA/core: Use refcount_t instead of atomic_t on refcount of ib_mad_snoop_private RDMA/core: Use refcount_t instead of atomic_t on refcount of mcast_member RDMA/core: Use refcount_t instead of atomic_t on refcount of mcast_port RDMA/core: Use refcount_t instead of atomic_t on refcount of mcast_group RDMA/core: Use refcount_t instead of atomic_t on refcount of ib_uverbs_device RDMA/hns: Use refcount_t instead of atomic_t for CQ reference counting RDMA/hns: Use refcount_t instead of atomic_t for SRQ reference counting RDMA/hns: Use refcount_t instead of atomic_t for QP reference counting RDMA/cxgb4: Use refcount_t instead of atomic_t for reference counting RDMA/i40iw: Use refcount_t instead of atomic_t on refcount of i40iw_cqp_request RDMA/i40iw: Use refcount_t instead of atomic_t on refcount of i40iw_cm_listener RDMA/i40iw: Use refcount_t instead of atomic_t on refcount of i40iw_puda_buf RDMA/i40iw: Use refcount_t instead of atomic_t on refcount of i40iw_cm_node RDMA/ipoib: Use refcount_t instead of atomic_t for reference counting RDMA/rdmavt: Use refcount_t instead of atomic_t on refcount of rvt_mcast drivers/infiniband/core/iwcm.c | 9 +++-- drivers/infiniband/core/iwcm.h | 2 +- drivers/infiniband/core/iwpm_util.c | 12 ++++--- drivers/infiniband/core/iwpm_util.h | 2 +- drivers/infiniband/core/mad_priv.h | 2 +- drivers/infiniband/core/multicast.c | 37 +++++++++++--------- drivers/infiniband/core/uverbs.h | 2 +- drivers/infiniband/core/uverbs_main.c | 12 +++---- drivers/infiniband/hw/cxgb4/cq.c | 6 ++-- drivers/infiniband/hw/cxgb4/ev.c | 8 ++--- drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 2 +- drivers/infiniband/hw/hfi1/verbs.c | 3 +- drivers/infiniband/hw/hns/hns_roce_cq.c | 8 ++--- drivers/infiniband/hw/hns/hns_roce_device.h | 6 ++-- drivers/infiniband/hw/hns/hns_roce_qp.c | 12 +++---- drivers/infiniband/hw/hns/hns_roce_srq.c | 8 ++--- drivers/infiniband/hw/i40iw/i40iw.h | 2 +- drivers/infiniband/hw/i40iw/i40iw_cm.c | 54 ++++++++++++++--------------- drivers/infiniband/hw/i40iw/i40iw_cm.h | 4 +-- drivers/infiniband/hw/i40iw/i40iw_main.c | 2 +- drivers/infiniband/hw/i40iw/i40iw_puda.h | 2 +- drivers/infiniband/hw/i40iw/i40iw_utils.c | 10 +++--- drivers/infiniband/hw/qib/qib_verbs.c | 3 +- drivers/infiniband/sw/rdmavt/mcast.c | 11 +++--- drivers/infiniband/ulp/ipoib/ipoib.h | 4 +-- drivers/infiniband/ulp/ipoib/ipoib_main.c | 8 ++--- include/rdma/rdmavt_qp.h | 2 +- 27 files changed, 121 insertions(+), 112 deletions(-)