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Date: Tue, 20 Aug 2019 15:32:21 -0700 From: Matthew Wilcox <willy@...radead.org> To: netdev@...r.kernel.org Cc: "Matthew Wilcox (Oracle)" <willy@...radead.org> Subject: [PATCH 00/38] Convert networking to use the XArray From: "Matthew Wilcox (Oracle)" <willy@...radead.org> Hello good networking folks, I am attempting to convert all IDR and radix tree users over to the XArray API so we can remove the radix tree code from the kernel. This process is already underway, and you can see all the conversions in a git tree [1]. The set of conversions I am submitting to you today are only compile tested. I would appreciate it if those who are responsible for each module could take on the job of making sure I didn't break anything. Review is, of course, also welcome. The primary difference between the IDR/radix tree and XArray APIs is that the XArray embeds a spinlock. This enables the ability to defragment the slabs which contain XArray nodes, and for most users results in an easier-to-use API. There are a lot of smaller tweaks in the XArray API compared to the radix tree or IDR APIs. For example, there is no more preallocation of memory; instead the XArray will drop the lock if needed to allocate memory. Ideally, you'd include the patch for your module into your next pull request to Dave and they'd land upstream in 5.4. These patches are against current net-next. If you'd like to change whitespace or comments or so on, please just do that; this is your code and I've got a lot of other patches I need to whip into shape. [1] http://git.infradead.org/users/willy/linux-dax.git/shortlog/refs/heads/xarray-conv Some of these conversions are known to be buggy, so I would not recommend actually running this tree. Matthew Wilcox (Oracle) (38): mlx4: Convert cq_table->tree to XArray mlx4: Convert srq_table->tree to XArray mlx4: Convert qp_table_tree to XArray mlx5: Convert cq_table to XArray mlx5: Convert mlx5_qp_table to XArray mlx5: Convert counters_idr to XArray mlx5: Convert fpga IDRs to XArray nfp: Convert to XArray ath10k: Convert pending_tx to XArray ath10k: Convert mgmt_pending_tx IDR to XArray mt76: Convert token IDR to XArray mwifiex: Convert ack_status_frames to XArray ppp: Convert units_idr to XArray tap: Convert minor_idr to XArray nfp: Convert internal ports to XArray qrtr: Convert qrtr_nodes to XArray qrtr: Convert qrtr_ports to XArray rxrpc: Convert to XArray 9p: Convert reqs IDR to XArray 9p: Convert fids IDR to XArray 9p: Move lock from client to trans_fd sctp: Convert sctp_assocs_id to XArray cls_api: Convert tcf_net to XArray cls_u32: Convert tc_u_common->handle_idr to XArray cls_u32: Convert tc_u_hnode->handle_idr to XArray cls_bpf: Convert handle_idr to XArray cls_bpf: Remove list of programs cls_bpf: Use XArray marks to accelerate re-offload cls_flower: Convert handle_idr to XArray cls_flower: Use XArray list of filters in fl_walk cls_flower: Use XArray marks instead of separate list cls_basic: Convert handle_idr to XArray act_api: Convert action_idr to XArray net_namespace: Convert netns_ids to XArray tipc: Convert conn_idr to XArray netlink: Convert genl_fam_idr to XArray mac80211: Convert ack_status_frames to XArray mac80211: Convert function_inst_ids to XArray drivers/infiniband/hw/mlx4/cq.c | 2 +- drivers/net/ethernet/mellanox/mlx4/cq.c | 30 ++--- drivers/net/ethernet/mellanox/mlx4/mlx4.h | 9 +- drivers/net/ethernet/mellanox/mlx4/qp.c | 37 ++--- drivers/net/ethernet/mellanox/mlx4/srq.c | 33 ++--- drivers/net/ethernet/mellanox/mlx5/core/eq.c | 27 +--- .../ethernet/mellanox/mlx5/core/fpga/tls.c | 54 +++----- .../ethernet/mellanox/mlx5/core/fpga/tls.h | 6 +- .../ethernet/mellanox/mlx5/core/fs_counters.c | 31 ++--- .../net/ethernet/mellanox/mlx5/core/lib/eq.h | 7 +- drivers/net/ethernet/mellanox/mlx5/core/qp.c | 38 ++---- drivers/net/ethernet/netronome/nfp/abm/main.c | 4 +- drivers/net/ethernet/netronome/nfp/abm/main.h | 4 +- .../net/ethernet/netronome/nfp/abm/qdisc.c | 33 ++--- .../net/ethernet/netronome/nfp/flower/main.c | 44 +++--- .../net/ethernet/netronome/nfp/flower/main.h | 12 +- drivers/net/ppp/ppp_generic.c | 73 +++------- drivers/net/tap.c | 32 ++--- drivers/net/wireless/ath/ath10k/core.h | 2 +- drivers/net/wireless/ath/ath10k/htt.h | 2 +- drivers/net/wireless/ath/ath10k/htt_tx.c | 31 ++--- drivers/net/wireless/ath/ath10k/mac.c | 4 +- drivers/net/wireless/ath/ath10k/txrx.c | 2 +- drivers/net/wireless/ath/ath10k/wmi-tlv.c | 8 +- drivers/net/wireless/ath/ath10k/wmi.c | 43 +++--- drivers/net/wireless/marvell/mwifiex/init.c | 4 +- drivers/net/wireless/marvell/mwifiex/main.c | 10 +- drivers/net/wireless/marvell/mwifiex/main.h | 4 +- drivers/net/wireless/marvell/mwifiex/txrx.c | 4 +- drivers/net/wireless/marvell/mwifiex/wmm.c | 15 +-- .../net/wireless/mediatek/mt76/mt7615/init.c | 11 +- .../net/wireless/mediatek/mt76/mt7615/mac.c | 24 ++-- .../wireless/mediatek/mt76/mt7615/mt7615.h | 4 +- include/linux/mlx4/device.h | 4 +- include/linux/mlx4/qp.h | 2 +- include/linux/mlx5/driver.h | 11 +- include/linux/mlx5/qp.h | 2 +- include/net/9p/client.h | 11 +- include/net/act_api.h | 6 +- include/net/net_namespace.h | 2 +- include/net/sctp/sctp.h | 5 +- net/9p/client.c | 65 ++++----- net/9p/trans_fd.c | 37 ++--- net/9p/trans_rdma.c | 1 - net/9p/trans_virtio.c | 1 - net/core/net_namespace.c | 65 ++++----- net/mac80211/cfg.c | 70 ++++------ net/mac80211/ieee80211_i.h | 12 +- net/mac80211/iface.c | 16 +-- net/mac80211/main.c | 20 ++- net/mac80211/status.c | 6 +- net/mac80211/tx.c | 16 +-- net/mac80211/util.c | 30 +---- net/netlink/genetlink.c | 46 +++---- net/qrtr/qrtr.c | 66 ++++----- net/rxrpc/af_rxrpc.c | 2 +- net/rxrpc/ar-internal.h | 3 +- net/rxrpc/conn_client.c | 49 +++---- net/rxrpc/conn_object.c | 2 +- net/sched/act_api.c | 127 +++++++----------- net/sched/cls_api.c | 27 +--- net/sched/cls_basic.c | 56 +++----- net/sched/cls_bpf.c | 74 +++++----- net/sched/cls_flower.c | 114 ++++++---------- net/sched/cls_u32.c | 63 ++++----- net/sctp/associola.c | 34 ++--- net/sctp/protocol.c | 6 - net/sctp/sm_make_chunk.c | 2 +- net/sctp/socket.c | 6 +- net/tipc/topsrv.c | 49 ++----- 70 files changed, 650 insertions(+), 1102 deletions(-) -- 2.23.0.rc1
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