983050 Commits

Author SHA1 Message Date
Lee Jones
0c962472d6 RDMA/hw/i40iw/i40iw_puda: Fix some misspellings and provide missing descriptions
Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/hw/i40iw/i40iw_puda.c:517: warning: Function parameter or member 'dev' not described in 'i40iw_puda_qp_wqe'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:517: warning: Function parameter or member 'qp' not described in 'i40iw_puda_qp_wqe'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:517: warning: Excess function parameter 'rsrc' description in 'i40iw_puda_qp_wqe'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:629: warning: Function parameter or member 'dev' not described in 'i40iw_puda_cq_wqe'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:629: warning: Function parameter or member 'cq' not described in 'i40iw_puda_cq_wqe'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:629: warning: Excess function parameter 'rsrc' description in 'i40iw_puda_cq_wqe'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:792: warning: Function parameter or member 'vsi' not described in 'i40iw_puda_dele_resources'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:792: warning: Excess function parameter 'dev' description in 'i40iw_puda_dele_resources'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:884: warning: Function parameter or member 'vsi' not described in 'i40iw_puda_create_rsrc'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:884: warning: Excess function parameter 'dev' description in 'i40iw_puda_create_rsrc'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:1135: warning: Function parameter or member 'pfpdu' not described in 'i40iw_ieq_create_pbufl'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:1442: warning: Function parameter or member 'vsi' not described in 'i40iw_ieq_receive'
 drivers/infiniband/hw/i40iw/i40iw_puda.c:1442: warning: Excess function parameter 'dev' description in 'i40iw_ieq_receive'

Link: https://lore.kernel.org/r/20210118223929.512175-11-lee.jones@linaro.org
Cc: Faisal Latif <faisal.latif@intel.com>
Cc: Shiraz Saleem <shiraz.saleem@intel.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:33:42 -04:00
Lee Jones
fa2e3a72a2 RDMA/hw/i40iw/i40iw_pble: Provide description for 'dev' and fix formatting issues
Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/hw/i40iw/i40iw_pble.c:60: warning: Function parameter or member 'dev' not described in 'i40iw_destroy_pble_pool'
 drivers/infiniband/hw/i40iw/i40iw_pble.c:120: warning: Function parameter or member 'pble_rsrc' not described in 'get_sd_pd_idx'
 drivers/infiniband/hw/i40iw/i40iw_pble.c:120: warning: Function parameter or member 'idx' not described in 'get_sd_pd_idx'

Link: https://lore.kernel.org/r/20210118223929.512175-10-lee.jones@linaro.org
Cc: Faisal Latif <faisal.latif@intel.com>
Cc: Shiraz Saleem <shiraz.saleem@intel.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:33:41 -04:00
Lee Jones
d71f5fa2f5 RDMA/core/roce_gid_mgmt: Fix misnaming of 'rdma_roce_rescan_device()'s param 'ib_dev'
Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/core/roce_gid_mgmt.c:511: warning: Function parameter or member 'ib_dev' not described in 'rdma_roce_rescan_device'
 drivers/infiniband/core/roce_gid_mgmt.c:511: warning: Excess function parameter 'device' description in 'rdma_roce_rescan_device'

Link: https://lore.kernel.org/r/20210118223929.512175-9-lee.jones@linaro.org
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Taehee Yoo <ap420073@gmail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:33:41 -04:00
Lee Jones
c5e2ee410b RDMA/hw/i40iw/i40iw_main: Rectify some kernel-doc misdemeanours
Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/hw/i40iw/i40iw_main.c:192: warning: Function parameter or member 't' not described in 'i40iw_dpc'
 drivers/infiniband/hw/i40iw/i40iw_main.c:192: warning: Excess function parameter 'data' description in 'i40iw_dpc'
 drivers/infiniband/hw/i40iw/i40iw_main.c:206: warning: Function parameter or member 't' not described in 'i40iw_ceq_dpc'
 drivers/infiniband/hw/i40iw/i40iw_main.c:206: warning: Excess function parameter 'data' description in 'i40iw_ceq_dpc'
 drivers/infiniband/hw/i40iw/i40iw_main.c:236: warning: Function parameter or member 'free_hwcqp' not described in 'i40iw_destroy_cqp'
 drivers/infiniband/hw/i40iw/i40iw_main.c:236: warning: Excess function parameter 'create_done' description in 'i40iw_destroy_cqp'
 drivers/infiniband/hw/i40iw/i40iw_main.c:264: warning: Function parameter or member 'msix_vec' not described in 'i40iw_disable_irq'
 drivers/infiniband/hw/i40iw/i40iw_main.c:264: warning: Excess function parameter 'msic_vec' description in 'i40iw_disable_irq'
 drivers/infiniband/hw/i40iw/i40iw_main.c:407: warning: Function parameter or member 'dev' not described in 'i40iw_close_hmc_objects_type'
 drivers/infiniband/hw/i40iw/i40iw_main.c:407: warning: Function parameter or member 'hmc_info' not described in 'i40iw_close_hmc_objects_type'
 drivers/infiniband/hw/i40iw/i40iw_main.c:407: warning: Excess function parameter 'iwdev' description in 'i40iw_close_hmc_objects_type'
 drivers/infiniband/hw/i40iw/i40iw_main.c:443: warning: Function parameter or member 'irq' not described in 'i40iw_ceq_handler'
 drivers/infiniband/hw/i40iw/i40iw_main.c:1786: warning: Function parameter or member 'reset' not described in 'i40iw_close'

Link: https://lore.kernel.org/r/20210118223929.512175-8-lee.jones@linaro.org
Cc: Faisal Latif <faisal.latif@intel.com>
Cc: Shiraz Saleem <shiraz.saleem@intel.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Intel Corporation <e1000-rdma@lists.sourceforge.net>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:33:41 -04:00
Lee Jones
263520f2dd RDMA/hw/i40iw/i40iw_hw: Provide description for 'ipv4', remove 'user_pri' and fix 'iwcq'
Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/hw/i40iw/i40iw_hw.c:172: warning: Function parameter or member 'iwcq' not described in 'i40iw_iwarp_ce_handler'
 drivers/infiniband/hw/i40iw/i40iw_hw.c:172: warning: Excess function parameter 'iwcp' description in 'i40iw_iwarp_ce_handler'
 drivers/infiniband/hw/i40iw/i40iw_hw.c:529: warning: Function parameter or member 'ipv4' not described in 'i40iw_manage_arp_cache'
 drivers/infiniband/hw/i40iw/i40iw_hw.c:592: warning: Excess function parameter 'user_pri' description in 'i40iw_manage_qhash'

Link: https://lore.kernel.org/r/20210118223929.512175-7-lee.jones@linaro.org
Cc: Faisal Latif <faisal.latif@intel.com>
Cc: Shiraz Saleem <shiraz.saleem@intel.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:33:41 -04:00
Lee Jones
3c976761ad RDMA/core/cache: Fix some misspellings, missing and superfluous param descriptions
Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/core/cache.c:688: warning: Function parameter or member 'ib_dev' not described in 'rdma_find_gid_by_port'
 drivers/infiniband/core/cache.c:688: warning: Function parameter or member 'port' not described in 'rdma_find_gid_by_port'
 drivers/infiniband/core/cache.c:688: warning: Excess function parameter 'device' description in 'rdma_find_gid_by_port'
 drivers/infiniband/core/cache.c:688: warning: Excess function parameter 'port_num' description in 'rdma_find_gid_by_port'
 drivers/infiniband/core/cache.c:741: warning: Function parameter or member 'ib_dev' not described in 'rdma_find_gid_by_filter'
 drivers/infiniband/core/cache.c:741: warning: Function parameter or member 'context' not described in 'rdma_find_gid_by_filter'
 drivers/infiniband/core/cache.c:741: warning: Excess function parameter 'device' description in 'rdma_find_gid_by_filter'
 drivers/infiniband/core/cache.c:1263: warning: Excess function parameter 'num_entries' description in 'rdma_query_gid_table'

Link: https://lore.kernel.org/r/20210118223929.512175-6-lee.jones@linaro.org
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:33:40 -04:00
Lee Jones
03e2dbbb3e RDMA/hw/i40iw/i40iw_cm: Fix a bunch of function documentation issues
Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/hw/i40iw/i40iw_cm.c:76: warning: Function parameter or member 'bufp' not described in 'i40iw_free_sqbuf'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:76: warning: Excess function parameter 'buf' description in 'i40iw_free_sqbuf'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:737: warning: Function parameter or member 'start_addr' not described in 'i40iw_build_mpa_v1'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:1059: warning: Function parameter or member 'cm_node' not described in 'i40iw_schedule_cm_timer'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:1211: warning: Function parameter or member 't' not described in 'i40iw_cm_timer_tick'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:1211: warning: Excess function parameter 'pass' description in 'i40iw_cm_timer_tick'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:1475: warning: Function parameter or member 'vlan_id' not described in 'i40iw_find_listener'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:1527: warning: Function parameter or member 'port' not described in 'i40iw_find_port'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:1527: warning: Excess function parameter 'accelerated_list' description in 'i40iw_find_port'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:1843: warning: Function parameter or member 'listener' not described in 'i40iw_dec_refcnt_listen'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:2037: warning: Function parameter or member 'src_addr' not described in 'i40iw_get_dst_ipv6'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:2037: warning: Function parameter or member 'dst_addr' not described in 'i40iw_get_dst_ipv6'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:2061: warning: Function parameter or member 'src' not described in 'i40iw_addr_resolve_neigh_ipv6'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:2061: warning: Function parameter or member 'dest' not described in 'i40iw_addr_resolve_neigh_ipv6'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:2061: warning: Excess function parameter 'dst_ip' description in 'i40iw_addr_resolve_neigh_ipv6'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:3011: warning: Function parameter or member 'pdata' not described in 'i40iw_cm_reject'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:3011: warning: Excess function parameter 'pdate' description in 'i40iw_cm_reject'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:4312: warning: Function parameter or member 'nfo' not described in 'i40iw_cm_teardown_connections'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:4312: warning: Excess function parameter 'ipv4' description in 'i40iw_cm_teardown_connections'
 drivers/infiniband/hw/i40iw/i40iw_cm.c:4367: warning: Function parameter or member 'netdev' not described in 'i40iw_if_notify'

Link: https://lore.kernel.org/r/20210118223929.512175-5-lee.jones@linaro.org
Cc: Faisal Latif <faisal.latif@intel.com>
Cc: Shiraz Saleem <shiraz.saleem@intel.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:33:40 -04:00
Lee Jones
14fa9fe5a6 RDMA/hw/i40iw/i40iw_ctrl: Fix a bunch of misspellings and formatting issues
Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:193: warning: Function parameter or member 'obj_info' not described in 'i40iw_sc_decode_fpm_query'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:193: warning: Excess function parameter 'info' description in 'i40iw_sc_decode_fpm_query'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:218: warning: Function parameter or member 'hmc_info' not described in 'i40iw_sc_parse_fpm_query_buf'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:218: warning: Excess function parameter 'info' description in 'i40iw_sc_parse_fpm_query_buf'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:784: warning: Function parameter or member 'compl_info' not described in 'i40iw_sc_poll_for_cqp_op_done'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:784: warning: Excess function parameter 'info' description in 'i40iw_sc_poll_for_cqp_op_done'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:947: warning: Function parameter or member 'commit_fpm_mem' not described in 'i40iw_sc_commit_fpm_values'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:1032: warning: Function parameter or member 'dev' not described in 'i40iw_get_rdma_features'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:1468: warning: Function parameter or member 'ignore_ref_count' not described in 'i40iw_sc_del_local_mac_ipaddr_entry'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:2314: warning: Function parameter or member 'scratch' not described in 'i40iw_sc_cq_modify'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:3682: warning: Function parameter or member 'info' not described in 'cqp_sds_wqe_fill'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:4894: warning: Function parameter or member 'stats' not described in 'i40iw_hw_stats_read_32'
 drivers/infiniband/hw/i40iw/i40iw_ctrl.c:4894: warning: Excess function parameter 'stat' description in 'i40iw_hw_stats_read_32'

Link: https://lore.kernel.org/r/20210118223929.512175-4-lee.jones@linaro.org
Cc: Faisal Latif <faisal.latif@intel.com>
Cc: Shiraz Saleem <shiraz.saleem@intel.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:33:40 -04:00
Lee Jones
4c3b53e14c RDMA/core: device: Fix formatting in worthy kernel-doc header and demote another
Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/core/device.c:1896: warning: Function parameter or member 'ibdev' not described in 'ib_get_client_nl_info'
 drivers/infiniband/core/device.c:1896: warning: Function parameter or member 'client_name' not described in 'ib_get_client_nl_info'
 drivers/infiniband/core/device.c:1896: warning: Function parameter or member 'res' not described in 'ib_get_client_nl_info'
 drivers/infiniband/core/device.c:2328: warning: Function parameter or member 'nldev_cb' not described in 'ib_enum_all_devs'
 drivers/infiniband/core/device.c:2328: warning: Function parameter or member 'skb' not described in 'ib_enum_all_devs'

Link: https://lore.kernel.org/r/20210118223929.512175-3-lee.jones@linaro.org
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:33:40 -04:00
Lee Jones
390e9ab463 RDMA/hw: i40iw_hmc: Fix misspellings of '*idx' args
Fixes the following W=1 kernel build warning(s):

 drivers/infiniband/hw/i40iw/i40iw_hmc.c:64: warning: Function parameter or member 'idx' not described in 'i40iw_find_sd_index_limit'
 drivers/infiniband/hw/i40iw/i40iw_hmc.c:64: warning: Excess function parameter 'index' description in 'i40iw_find_sd_index_limit'
 drivers/infiniband/hw/i40iw/i40iw_hmc.c:94: warning: Function parameter or member 'pd_idx' not described in 'i40iw_find_pd_index_limit'
 drivers/infiniband/hw/i40iw/i40iw_hmc.c:94: warning: Excess function parameter 'pd_index' description in 'i40iw_find_pd_index_limit'

Link: https://lore.kernel.org/r/20210118223929.512175-2-lee.jones@linaro.org
Cc: Faisal Latif <faisal.latif@intel.com>
Cc: Shiraz Saleem <shiraz.saleem@intel.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:33:39 -04:00
Parav Pandit
559a3eacc4 IB/mlx5: Make function static
mlx5_query_mad_ifc_smp_attr_node_info() is internal to mad.c Hence, make
it static.

Link: https://lore.kernel.org/r/20210113121703.559778-5-leon@kernel.org
Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:14:14 -04:00
Parav Pandit
ab40530a2e IB/mlx5: Add mutex destroy call to cap_mask_mutex mutex
mutex_destroy() call for device's cap_mask_mutex mutex is missing, let's
add it to annotate destruction.

Fixes: e126ba97dba9 ("mlx5: Add driver for Mellanox Connect-IB adapters")
Link: https://lore.kernel.org/r/20210113121703.559778-4-leon@kernel.org
Signed-off-by: Parav Pandit <parav@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:14:14 -04:00
Max Gurtovoy
877745b477 IB/iser: Simplify prot_caps setting
Reduce the number of instructions made for setting protection caps. No
need to do bitwise OR with 0 since we can zero the return value in the
beginning of the function.

Link: https://lore.kernel.org/r/20210111145754.56727-5-mgurtovoy@nvidia.com
Reviewed-by: Israel Rukshin <israelr@nvidia.com>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:02:07 -04:00
Max Gurtovoy
6bd898baf2 IB/iser: Enforce iser_max_sectors to be greater than 0
A value of 0 will casue the driver to fail establishing a valid connection
to remote target.

The following can be seen in the log in this case:

  iser: iser_connect: connecting to: 1.1.1.88:3260
  iser: iser_cma_handler: address resolved (0): status 0 conn 00000000090aa4de id 00000000167d3b5a
  iser: iser_cma_handler: route resolved  (2): status 0 conn 00000000090aa4de id 00000000167d3b5a
  iser: iscsi_iser_ep_poll: iser conn 00000000090aa4de rc = 0
  iser: iser_create_ib_conn_res: setting conn 00000000090aa4de cma_id 00000000167d3b5a qp 00000000efa80660 max_send_wr 4619
  iser_cma_handler: established (9): status 0 conn 00000000090aa4de id 00000000167d3b5a
  iser: iser_connected_handler: remote qpn:1c7 my qpn:1c6
  iser: iser_connected_handler: conn 00000000090aa4de: negotiated remote invalidation
  iser: iscsi_iser_ep_poll: iser conn 00000000090aa4de rc = 1
  scsi host10: iSCSI Initiator over iSER
  mlx5_core 0000:07:00.0: mlx5_cmd_check:769:(pid 616473): CREATE_MKEY(0x200) op_mod(0x0) failed, status bad parameter(0x3), syndrome (0x3bf6f)
  iser: iser_create_fastreg_desc: Failed to allocate ib_fast_reg_mr err=-22
  iser: iser_alloc_rx_descriptors: failed allocating rx descriptors / data buffers
  iser: iscsi_iser_ep_disconnect: ep 00000000d2040785 iser conn 00000000090aa4de
  iser: iser_conn_terminate: iser_conn 00000000090aa4de state 3
  iser: iser_free_ib_conn_res: freeing conn 00000000090aa4de cma_id 00000000167d3b5a qp 00000000efa80660
  iser: iser_device_try_release: device 00000000dc871b1b refcount 0

Link: https://lore.kernel.org/r/20210111145754.56727-4-mgurtovoy@nvidia.com
Reviewed-by: Israel Rukshin <israelr@nvidia.com>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:02:07 -04:00
Max Gurtovoy
429c76133f IB/iser: Protect iscsi_max_lun module param using callback
Remove the check from the module_init function.

Link: https://lore.kernel.org/r/20210111145754.56727-3-mgurtovoy@nvidia.com
Reviewed-by: Israel Rukshin <israelr@nvidia.com>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:02:06 -04:00
Max Gurtovoy
5bf0e4b80b IB/iser: Remove unneeded semicolons
No need to add semicolon after closing bracket.

Link: https://lore.kernel.org/r/20210111145754.56727-2-mgurtovoy@nvidia.com
Reviewed-by: Israel Rukshin <israelr@nvidia.com>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 20:02:06 -04:00
Jason Gunthorpe
02487bcc84 Merge branch 'devx_set_get' into rdma.git for-next
Leon Romanovsky	says:

====================
Be more strict with DEVX get/set operations for the obj_id.
====================

Based on the mlx5-next branch at
     git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux
due to dependencies.

* branch 'devx_set_get':
  RDMA/mlx5: Use strict get/set operations for obj_id
  RDMA/mlx5: Use the correct obj_id upon DEVX TIR creation
  net/mlx5: Expose ifc bits for query modify header
2021-01-19 10:55:19 -04:00
Yishai Hadas
1368ead04c RDMA/mlx5: Use strict get/set operations for obj_id
Use strict get/set operations for obj_id based on the specific object
type. This comes to prevent any miss match between the general header to
the legacy header commands.

Link: https://lore.kernel.org/r/20201230130121.180350-4-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 10:40:54 -04:00
Yishai Hadas
8798e4ad0a RDMA/mlx5: Use the correct obj_id upon DEVX TIR creation
Use the correct obj_id upon DEVX TIR creation by strictly taking the tirn
24 bits and not the general obj_id which is 32 bits.

Fixes: 7efce3691d33 ("IB/mlx5: Add obj create and destroy functionality")
Link: https://lore.kernel.org/r/20201230130121.180350-2-leon@kernel.org
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-19 10:40:54 -04:00
Yishai Hadas
ab0da5a571 net/mlx5: Expose ifc bits for query modify header
Expose ifc bits for query_modify_header_context_in to be used by DEVX.

Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
2021-01-19 07:34:28 +02:00
Max Gurtovoy
a6dc16b699 IB/isert: Simplify signature cap check
Use if/else clause instead of "condition ? val1 : val2" to make the code
cleaner and simpler.

Link: https://lore.kernel.org/r/20210110111903.486681-3-mgurtovoy@nvidia.com
Reviewed-by: Israel Rukshin <israelr@nvidia.com>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Acked-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-18 16:59:04 -04:00
Max Gurtovoy
ec53a2a654 IB/isert: Remove unneeded semicolon
No need to add semicolon after closing bracket.

Link: https://lore.kernel.org/r/20210110111903.486681-2-mgurtovoy@nvidia.com
Reviewed-by: Israel Rukshin <israelr@nvidia.com>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-18 16:59:04 -04:00
Max Gurtovoy
8ebe0e2a7e IB/isert: Remove unneeded new lines
The Linux convention is to have only 1 new line between functions.

Link: https://lore.kernel.org/r/20210110111903.486681-1-mgurtovoy@nvidia.com
Reviewed-by: Israel Rukshin <israelr@nvidia.com>
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-18 16:59:03 -04:00
Selvin Xavier
c930af5ab4 RDMA/bnxt_re: Allow bigger MR creation
Allow users to create bigger MRs. Remove the check that prevented creating
MRs with number of pages more than 512.

Link: https://lore.kernel.org/r/1610012608-14528-3-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-18 16:56:09 -04:00
Selvin Xavier
f6919d5638 RDMA/bnxt_re: Code refactor while populating user MRs
Refactor code that populates MR page buffer list. Instead of allocating a
pbl_tbl to hold the buffer list, pass the struct ib_umem directly to
bnxt_qplib_alloc_init_hwq() as done for other user space memories.  Fix
the PBL level to handle the above mentioned change.

Also, remove an unwanted flag from the input to bnxt_qplib_reg_mr()
function.

Link: https://lore.kernel.org/r/1610012608-14528-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-18 16:56:08 -04:00
Yangyang Li
1bbd438074 RDMA/hns: Create CQ with selected CQN for bank load balance
In order to improve performance by balancing the load between different
banks of cache, the CQC cache is desigend to choose one of 4 banks
according to lower 2 bits of CQN. The hns driver needs to count the number
of CQ on each bank and then assigns the CQ being created to the bank with
the minimum load first.

Link: https://lore.kernel.org/r/1610008589-35770-1-git-send-email-liweihang@huawei.com
Signed-off-by: Yangyang Li <liyangyang20@huawei.com>
Signed-off-by: Weihang Li <liweihang@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-18 16:10:32 -04:00
Patrisious Haddad
33eb12f296 RDMA/nldev: Return an error message on failure to turn auto mode
The bounded counter can't be reconfigured to be in auto mode, in attempt
to do it, the user will get an error, but without any hint why. Update
nldev interface to return an error message through extack mechanism.

Link: https://lore.kernel.org/r/20201230130240.180737-1-leon@kernel.org
Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-01-18 16:02:14 -04:00
Linus Torvalds
19c329f680 Linux 5.11-rc4 v5.11-rc4 2021-01-17 16:37:05 -08:00
Linus Torvalds
e2da783614 perf tools fixes for 5.11:
- Fix 'CPU too large' error in Intel PT.
 
 - Correct event attribute sizes in 'perf inject'.
 
 - Sync build_bug.h and kvm.h kernel copies.
 
 - Fix bpf.h header include directive in 5sec.c 'perf trace' bpf example.
 
 - libbpf tests fixes.
 
 - Fix shadow stat 'perf test' for non-bash shells.
 
 - Take cgroups into account for shadow stats in 'perf stat'.
 
 Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
 
 Test results:
 
 The first ones are container based builds of tools/perf with and without libelf
 support.  Where clang is available, it is also used to build perf with/without
 libelf, and building with LIBCLANGLLVM=1 (built-in clang) with gcc and clang
 when clang and its devel libraries are installed.
 
 The objtool and samples/bpf/ builds are disabled now that I'm switching from
 using the sources in a local volume to fetching them from a http server to
 build it inside the container, to make it easier to build in a container cluster.
 Those will come back later.
 
 Several are cross builds, the ones with -x-ARCH and the android one, and those
 may not have all the features built, due to lack of multi-arch devel packages,
 available and being used so far on just a few, like
 debian:experimental-x-{arm64,mipsel}.
 
 The 'perf test' one will perform a variety of tests exercising
 tools/perf/util/, tools/lib/{bpf,traceevent,etc}, as well as run perf commands
 with a variety of command line event specifications to then intercept the
 sys_perf_event syscall to check that the perf_event_attr fields are set up as
 expected, among a variety of other unit tests.
 
 Then there is the 'make -C tools/perf build-test' ones, that build tools/perf/
 with a variety of feature sets, exercising the build with an incomplete set of
 features as well as with a complete one. It is planned to have it run on each
 of the containers mentioned above, using some container orchestration
 infrastructure. Get in contact if interested in helping having this in place.
 
   $ grep "model name" -m1 /proc/cpuinfo
   model name: AMD Ryzen 9 3900X 12-Core Processor
   # export PERF_TARBALL=http://192.168.86.5/perf/perf-5.11.0-rc3.tar.xz
   # dm
    1    66.93 alpine:3.4                    : Ok   gcc (Alpine 5.3.0) 5.3.0, clang version 3.8.0 (tags/RELEASE_380/final)
    2    68.65 alpine:3.5                    : Ok   gcc (Alpine 6.2.1) 6.2.1 20160822, clang version 3.8.1 (tags/RELEASE_381/final)
    3    73.00 alpine:3.6                    : Ok   gcc (Alpine 6.3.0) 6.3.0, clang version 4.0.0 (tags/RELEASE_400/final)
    4    79.04 alpine:3.7                    : Ok   gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
    5    79.71 alpine:3.8                    : Ok   gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
    6    82.51 alpine:3.9                    : Ok   gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
    7   103.45 alpine:3.10                   : Ok   gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
    8   113.86 alpine:3.11                   : Ok   gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
    9   109.31 alpine:3.12                   : Ok   gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (https://gitlab.alpinelinux.org/alpine/aports.git 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
   10   113.90 alpine:edge                   : Ok   gcc (Alpine 10.2.0) 10.2.0, Alpine clang version 10.0.1
   11    66.76 alt:p8                        : Ok   x86_64-alt-linux-gcc (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1), clang version 3.8.0 (tags/RELEASE_380/final)
   12    83.71 alt:p9                        : Ok   x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1), clang version 10.0.0
   13    80.70 alt:sisyphus                  : Ok   x86_64-alt-linux-gcc (GCC) 9.3.1 20200518 (ALT Sisyphus 9.3.1-alt1), clang version 10.0.1
   14    62.75 amazonlinux:1                 : Ok   gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2), clang version 3.6.2 (tags/RELEASE_362/final)
   15    97.65 amazonlinux:2                 : Ok   gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-12), clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
   16    21.18 android-ndk:r12b-arm          : Ok   arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
   17    21.07 android-ndk:r15c-arm          : Ok   arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
   18    25.83 centos:6                      : Ok   gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
   19    30.65 centos:7                      : Ok   gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44)
   20    93.44 centos:8                      : Ok   gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5), clang version 10.0.1 (Red Hat 10.0.1-1.module_el8.3.0+467+cb298d5b)
   21    60.64 clearlinux:latest             : Ok   gcc (Clear Linux OS for Intel Architecture) 10.2.1 20201217 releases/gcc-10.2.0-643-g7cbb07d2fc, clang version 10.0.1
   22    74.57 debian:8                      : Ok   gcc (Debian 4.9.2-10+deb8u2) 4.9.2, Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
   23    75.40 debian:9                      : Ok   gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516, clang version 3.8.1-24 (tags/RELEASE_381/final)
   24    72.75 debian:10                     : Ok   gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8+deb10u2 (tags/RELEASE_701/final)
   25    72.36 debian:experimental           : Ok   gcc (Debian 10.2.1-6) 10.2.1 20210110, Debian clang version 11.0.1-2
   26    32.35 debian:experimental-x-arm64   : Ok   aarch64-linux-gnu-gcc (Debian 10.2.1-6) 10.2.1 20210110
   27    28.65 debian:experimental-x-mips64  : Ok   mips64-linux-gnuabi64-gcc (Debian 10.2.1-3) 10.2.1 20201224
   28    13.79 debian:experimental-x-mipsel  : FAIL mipsel-linux-gnu-gcc (Debian 10.2.1-3) 10.2.1 20201224
 
       CC       /tmp/build/perf/util/map.o
     util/map.c: In function 'map__new':
     util/map.c:109:5: error: '%s' directive output may be truncated writing between 1 and 2147483645 bytes into a region of size 4096 [-Werror=format-truncation=]
       109 |    "%s/platforms/%s/arch-%s/usr/lib/%s",
           |     ^~
     In file included from /usr/mipsel-linux-gnu/include/stdio.h:867,
                      from util/symbol.h:11,
                      from util/map.c:2:
     /usr/mipsel-linux-gnu/include/bits/stdio2.h:67:10: note: '__builtin___snprintf_chk' output 32 or more bytes (assuming 4294967321) into a destination of size 4096
        67 |   return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
           |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
        68 |        __bos (__s), __fmt, __va_arg_pack ());
           |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
   29    29.14 fedora:20                     : Ok   gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
   30    30.66 fedora:22                     : Ok   gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
   31    66.33 fedora:23                     : Ok   gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
   32    77.51 fedora:24                     : Ok   gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
   33    25.23 fedora:24-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
   34    79.68 fedora:25                     : Ok   gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
   35    93.09 fedora:26                     : Ok   gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
   36    94.12 fedora:27                     : Ok   gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
   37   101.97 fedora:28                     : Ok   gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
   38   107.51 fedora:29                     : Ok   gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 7.0.1 (Fedora 7.0.1-6.fc29)
   39   111.24 fedora:30                     : Ok   gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 8.0.0 (Fedora 8.0.0-3.fc30)
   40    25.85 fedora:30-x-ARC-uClibc        : Ok   arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
   41   110.61 fedora:31                     : Ok   gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 9.0.1 (Fedora 9.0.1-4.fc31)
   42    93.78 fedora:32                     : Ok   gcc (GCC) 10.2.1 20201016 (Red Hat 10.2.1-6), clang version 10.0.1 (Fedora 10.0.1-3.fc32)
   43    91.51 fedora:33                     : Ok   gcc (GCC) 10.2.1 20201125 (Red Hat 10.2.1-9), clang version 11.0.0 (Fedora 11.0.0-2.fc33)
   44    92.75 fedora:34                     : Ok   gcc (GCC) 11.0.0 20210113 (Red Hat 11.0.0-0), clang version 11.0.1 (Fedora 11.0.1-4.fc34)
   45    92.33 fedora:rawhide                : Ok   gcc (GCC) 11.0.0 20210109 (Red Hat 11.0.0-0), clang version 11.0.1 (Fedora 11.0.1-4.fc34)
   46    33.58 gentoo-stage3-amd64:latest    : Ok   gcc (Gentoo 9.3.0-r1 p3) 9.3.0
   47    66.03 mageia:5                      : Ok   gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
   48    84.73 mageia:6                      : Ok   gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
   49    98.35 manjaro:latest                : Ok   gcc (GCC) 10.2.0, clang version 10.0.1
   50   223.15 openmandriva:cooker           : Ok   gcc (GCC) 10.2.0 20200723 (OpenMandriva), OpenMandriva 11.0.0-1 clang version 11.0.0 (/builddir/build/BUILD/llvm-project-llvmorg-11.0.0/clang 63e22714ac938c6b537bd958f70680d3331a2030)
   51   117.30 opensuse:15.0                 : Ok   gcc (SUSE Linux) 7.4.1 20190905 [gcc-7-branch revision 275407], clang version 5.0.1 (tags/RELEASE_501/final 312548)
   52   124.82 opensuse:15.1                 : Ok   gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
   53   113.33 opensuse:15.2                 : Ok   gcc (SUSE Linux) 7.5.0, clang version 9.0.1
   54   106.17 opensuse:42.3                 : Ok   gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
   55   108.15 opensuse:tumbleweed           : Ok   gcc (SUSE Linux) 10.2.1 20200825 [revision c0746a1beb1ba073c7981eb09f55b3d993b32e5c], clang version 10.0.1
   56    25.57 oraclelinux:6                 : Ok   gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
   57    30.86 oraclelinux:7                 : Ok   gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-44.0.3)
   58    91.75 oraclelinux:8                 : Ok   gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5.0.1), clang version 10.0.1 (Red Hat 10.0.1-1.0.1.module+el8.3.0+7827+89335dbf)
   59    27.64 ubuntu:12.04                  : Ok   gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3, Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
   60    29.65 ubuntu:14.04                  : Ok   gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
   61    75.65 ubuntu:16.04                  : Ok   gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609, clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
   62    25.57 ubuntu:16.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   63    25.52 ubuntu:16.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   64    25.01 ubuntu:16.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   65    25.51 ubuntu:16.04-x-powerpc64      : Ok   powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   66    25.70 ubuntu:16.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   67    24.95 ubuntu:16.04-x-s390           : Ok   s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
   68    87.96 ubuntu:18.04                  : Ok   gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0, clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
   69    27.40 ubuntu:18.04-x-arm            : Ok   arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
   70    27.14 ubuntu:18.04-x-arm64          : Ok   aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
   71    22.68 ubuntu:18.04-x-m68k           : Ok   m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   72    26.52 ubuntu:18.04-x-powerpc        : Ok   powerpc-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   73    28.97 ubuntu:18.04-x-powerpc64      : Ok   powerpc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   74    28.54 ubuntu:18.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   75   163.57 ubuntu:18.04-x-riscv64        : Ok   riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   76    24.07 ubuntu:18.04-x-s390           : Ok   s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   77    26.77 ubuntu:18.04-x-sh4            : Ok   sh4-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   78    24.00 ubuntu:18.04-x-sparc64        : Ok   sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
   79    69.36 ubuntu:19.10                  : Ok   gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 8.0.1-3build1 (tags/RELEASE_801/final)
   80    27.07 ubuntu:19.10-x-alpha          : Ok   alpha-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
   81    24.29 ubuntu:19.10-x-hppa           : Ok   hppa-linux-gnu-gcc (Ubuntu 9.2.1-9ubuntu1) 9.2.1 20191008
   82    74.99 ubuntu:20.04                  : Ok   gcc (Ubuntu 9.3.0-17ubuntu1~20.04) 9.3.0, clang version 10.0.0-4ubuntu1
   83    30.49 ubuntu:20.04-x-powerpc64el    : Ok   powerpc64le-linux-gnu-gcc (Ubuntu 10.2.0-5ubuntu1~20.04) 10.2.0
   84    73.54 ubuntu:20.10                  : Ok   gcc (Ubuntu 10.2.0-13ubuntu1) 10.2.0, Ubuntu clang version 11.0.0-2
   $
 
   # uname -a
   Linux quaco 5.10.7-100.fc32.x86_64 #1 SMP Tue Jan 12 20:25:28 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
   # git log --oneline -1
   648b054a4647 perf inject: Correct event attribute sizes
   # perf version --build-options
   perf version 5.11.rc3.g648b054a4647
                    dwarf: [ on  ]  # HAVE_DWARF_SUPPORT
       dwarf_getlocations: [ on  ]  # HAVE_DWARF_GETLOCATIONS_SUPPORT
                    glibc: [ on  ]  # HAVE_GLIBC_SUPPORT
            syscall_table: [ on  ]  # HAVE_SYSCALL_TABLE_SUPPORT
                   libbfd: [ on  ]  # HAVE_LIBBFD_SUPPORT
                   libelf: [ on  ]  # HAVE_LIBELF_SUPPORT
                  libnuma: [ on  ]  # HAVE_LIBNUMA_SUPPORT
   numa_num_possible_cpus: [ on  ]  # HAVE_LIBNUMA_SUPPORT
                  libperl: [ on  ]  # HAVE_LIBPERL_SUPPORT
                libpython: [ on  ]  # HAVE_LIBPYTHON_SUPPORT
                 libslang: [ on  ]  # HAVE_SLANG_SUPPORT
                libcrypto: [ on  ]  # HAVE_LIBCRYPTO_SUPPORT
                libunwind: [ on  ]  # HAVE_LIBUNWIND_SUPPORT
       libdw-dwarf-unwind: [ on  ]  # HAVE_DWARF_SUPPORT
                     zlib: [ on  ]  # HAVE_ZLIB_SUPPORT
                     lzma: [ on  ]  # HAVE_LZMA_SUPPORT
                get_cpuid: [ on  ]  # HAVE_AUXTRACE_SUPPORT
                      bpf: [ on  ]  # HAVE_LIBBPF_SUPPORT
                      aio: [ on  ]  # HAVE_AIO_SUPPORT
                     zstd: [ on  ]  # HAVE_ZSTD_SUPPORT
                  libpfm4: [ OFF ]  # HAVE_LIBPFM
   # perf test
    1: vmlinux symtab matches kallsyms                                 : Ok
    2: Detect openat syscall event                                     : Ok
    3: Detect openat syscall event on all cpus                         : Ok
    4: Read samples using the mmap interface                           : Ok
    5: Test data source output                                         : Ok
    6: Parse event definition strings                                  : Ok
    7: Simple expression parser                                        : Ok
    8: PERF_RECORD_* events & perf_sample fields                       : Ok
    9: Parse perf pmu format                                           : Ok
   10: PMU events                                                      :
   10.1: PMU event table sanity                                        : Ok
   10.2: PMU event map aliases                                         : Ok
   10.3: Parsing of PMU event table metrics                            : Ok
   10.4: Parsing of PMU event table metrics with fake PMUs             : Ok
   11: DSO data read                                                   : Ok
   12: DSO data cache                                                  : Ok
   13: DSO data reopen                                                 : Ok
   14: Roundtrip evsel->name                                           : Ok
   15: Parse sched tracepoints fields                                  : Ok
   16: syscalls:sys_enter_openat event fields                          : Ok
   17: Setup struct perf_event_attr                                    : Ok
   18: Match and link multiple hists                                   : Ok
   19: 'import perf' in python                                         : Ok
   20: Breakpoint overflow signal handler                              : Ok
   21: Breakpoint overflow sampling                                    : Ok
   22: Breakpoint accounting                                           : Ok
   23: Watchpoint                                                      :
   23.1: Read Only Watchpoint                                          : Skip (missing hardware support)
   23.2: Write Only Watchpoint                                         : Ok
   23.3: Read / Write Watchpoint                                       : Ok
   23.4: Modify Watchpoint                                             : Ok
   24: Number of exit events of a simple workload                      : Ok
   25: Software clock events period values                             : Ok
   26: Object code reading                                             : Ok
   27: Sample parsing                                                  : Ok
   28: Use a dummy software event to keep tracking                     : Ok
   29: Parse with no sample_id_all bit set                             : Ok
   30: Filter hist entries                                             : Ok
   31: Lookup mmap thread                                              : Ok
   32: Share thread maps                                               : Ok
   33: Sort output of hist entries                                     : Ok
   34: Cumulate child hist entries                                     : Ok
   35: Track with sched_switch                                         : Ok
   36: Filter fds with revents mask in a fdarray                       : Ok
   37: Add fd to a fdarray, making it autogrow                         : Ok
   38: kmod_path__parse                                                : Ok
   39: Thread map                                                      : Ok
   40: LLVM search and compile                                         :
   40.1: Basic BPF llvm compile                                        : Ok
   40.2: kbuild searching                                              : Ok
   40.3: Compile source for BPF prologue generation                    : Ok
   40.4: Compile source for BPF relocation                             : Ok
   41: Session topology                                                : Ok
   42: BPF filter                                                      :
   42.1: Basic BPF filtering                                           : Ok
   42.2: BPF pinning                                                   : Ok
   42.3: BPF prologue generation                                       : Ok
   42.4: BPF relocation checker                                        : Ok
   43: Synthesize thread map                                           : Ok
   44: Remove thread map                                               : Ok
   45: Synthesize cpu map                                              : Ok
   46: Synthesize stat config                                          : Ok
   47: Synthesize stat                                                 : Ok
   48: Synthesize stat round                                           : Ok
   49: Synthesize attr update                                          : Ok
   50: Event times                                                     : Ok
   51: Read backward ring buffer                                       : Ok
   52: Print cpu map                                                   : Ok
   53: Merge cpu map                                                   : Ok
   54: Probe SDT events                                                : Ok
   55: is_printable_array                                              : Ok
   56: Print bitmap                                                    : Ok
   57: perf hooks                                                      : Ok
   58: builtin clang support                                           : Skip (not compiled in)
   59: unit_number__scnprintf                                          : Ok
   60: mem2node                                                        : Ok
   61: time utils                                                      : Ok
   62: Test jit_write_elf                                              : Ok
   63: Test libpfm4 support                                            : Skip (not compiled in)
   64: Test api io                                                     : Ok
   65: maps__merge_in                                                  : Ok
   66: Demangle Java                                                   : Ok
   67: Parse and process metrics                                       : Ok
   68: PE file support                                                 : Ok
   69: Event expansion for cgroups                                     : Ok
   70: Convert perf time to TSC                                        : Ok
   71: x86 rdpmc                                                       : Ok
   72: DWARF unwind                                                    : Ok
   73: x86 instruction decoder - new instructions                      : Ok
   74: Intel PT packet decoder                                         : Ok
   75: x86 bp modify                                                   : Ok
   76: probe libc's inet_pton & backtrace it with ping                 : Ok
   77: Use vfs_getname probe to get syscall args filenames             : Ok
   78: Check Arm CoreSight trace data recording and synthesized samples: Skip
   79: perf stat metrics (shadow stat) test                            : Ok
   80: build id cache operations                                       : Ok
   81: Add vfs_getname probe to get syscall args filenames             : Ok
   82: Check open filename arg using perf trace + vfs_getname          : Ok
   83: Zstd perf.data compression/decompression                        : Ok
 
   $ make -C tools/perf build-test
   make: Entering directory '/home/acme/git/perf/tools/perf'
   - tarpkg: ./tests/perf-targz-src-pkg .
            make_no_libpython_O: make NO_LIBPYTHON=1
                  make_no_sdt_O: make NO_SDT=1
                    make_tags_O: make tags
                 make_install_O: make install
             make_install_bin_O: make install-bin
                   make_debug_O: make DEBUG=1
   make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
               make_no_libelf_O: make NO_LIBELF=1
                  make_cscope_O: make cscope
            make_no_backtrace_O: make NO_BACKTRACE=1
              make_no_libnuma_O: make NO_LIBNUMA=1
                   make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
                 make_no_newt_O: make NO_NEWT=1
         make_with_babeltrace_O: make LIBBABELTRACE=1
        make_util_pmu_bison_o_O: make util/pmu-bison.o
            make_no_libunwind_O: make NO_LIBUNWIND=1
         make_no_libbpf_DEBUG_O: make NO_LIBBPF=1 DEBUG=1
                     make_doc_O: make doc
                  make_perf_o_O: make perf.o
                 make_no_gtk2_O: make NO_GTK2=1
          make_with_clangllvm_O: make LIBCLANGLLVM=1
               make_clean_all_O: make clean all
             make_no_demangle_O: make NO_DEMANGLE=1
               make_with_gtk2_O: make GTK2=1
              make_util_map_o_O: make util/map.o
                    make_pure_O: make
            make_no_libbionic_O: make NO_LIBBIONIC=1
             make_no_libaudit_O: make NO_LIBAUDIT=1
               make_no_libbpf_O: make NO_LIBBPF=1
    make_install_prefix_slash_O: make install prefix=/tmp/krava/
                    make_help_O: make help
          make_no_syscall_tbl_O: make NO_SYSCALL_TABLE=1
              make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
                 make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1 NO_LIBCAP=1 NO_SYSCALL_TABLE=1
            make_no_libcrypto_O: make NO_LIBCRYPTO=1
                  make_static_O: make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1
          make_install_prefix_O: make install prefix=/tmp/krava
             make_no_auxtrace_O: make NO_AUXTRACE=1
            make_with_libpfm4_O: make LIBPFM4=1
              make_no_libperl_O: make NO_LIBPERL=1
                make_no_slang_O: make NO_SLANG=1
   OK
   make: Leaving directory '/home/acme/git/perf/tools/perf'
   $
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Merge tag 'perf-tools-fixes-2021-01-17' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools fixes from Arnaldo Carvalho de Melo:

 - Fix 'CPU too large' error in Intel PT

 - Correct event attribute sizes in 'perf inject'

 - Sync build_bug.h and kvm.h kernel copies

 - Fix bpf.h header include directive in 5sec.c 'perf trace' bpf example

 - libbpf tests fixes

 - Fix shadow stat 'perf test' for non-bash shells

 - Take cgroups into account for shadow stats in 'perf stat'

* tag 'perf-tools-fixes-2021-01-17' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
  perf inject: Correct event attribute sizes
  perf intel-pt: Fix 'CPU too large' error
  perf stat: Take cgroups into account for shadow stats
  perf stat: Introduce struct runtime_stat_data
  libperf tests: Fail when failing to get a tracepoint id
  libperf tests: If a test fails return non-zero
  libperf tests: Avoid uninitialized variable warning
  perf test: Fix shadow stat test for non-bash shells
  tools headers: Syncronize linux/build_bug.h with the kernel sources
  tools headers UAPI: Sync kvm.h headers with the kernel sources
  perf bpf examples: Fix bpf.h header include directive in 5sec.c example
2021-01-17 13:14:46 -08:00
Linus Torvalds
a1339d6355 powerpc fixes for 5.11 #4
One fix for a lack of alignment in our linker script, that can lead to crashes
 depending on configuration etc.
 
 One fix for the 32-bit VDSO after the C VDSO conversion.
 
 Thanks to:
   Andreas Schwab, Ariel Marcovitch, Christophe Leroy.
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Merge tag 'powerpc-5.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:
 "One fix for a lack of alignment in our linker script, that can lead to
  crashes depending on configuration etc.

  One fix for the 32-bit VDSO after the C VDSO conversion.

  Thanks to Andreas Schwab, Ariel Marcovitch, and Christophe Leroy"

* tag 'powerpc-5.11-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/vdso: Fix clock_gettime_fallback for vdso32
  powerpc: Fix alignment bug within the init sections
2021-01-17 12:28:58 -08:00
Linus Torvalds
a527a2b32d Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs fixes from Al Viro:
 "Several assorted fixes.

  I still think that audit ->d_name race is better fixed this way for
  the benefit of backports, with any possibly fancier variants done on
  top of it"

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  dump_common_audit_data(): fix racy accesses to ->d_name
  iov_iter: fix the uaccess area in copy_compat_iovec_from_user
  umount(2): move the flag validity checks first
2021-01-17 12:16:47 -08:00
Linus Torvalds
feb889fb40 mm: don't put pinned pages into the swap cache
So technically there is nothing wrong with adding a pinned page to the
swap cache, but the pinning obviously means that the page can't actually
be free'd right now anyway, so it's a bit pointless.

However, the real problem is not with it being a bit pointless: the real
issue is that after we've added it to the swap cache, we'll try to unmap
the page.  That will succeed, because the code in mm/rmap.c doesn't know
or care about pinned pages.

Even the unmapping isn't fatal per se, since the page will stay around
in memory due to the pinning, and we do hold the connection to it using
the swap cache.  But when we then touch it next and take a page fault,
the logic in do_swap_page() will map it back into the process as a
possibly read-only page, and we'll then break the page association on
the next COW fault.

Honestly, this issue could have been fixed in any of those other places:
(a) we could refuse to unmap a pinned page (which makes conceptual
sense), or (b) we could make sure to re-map a pinned page writably in
do_swap_page(), or (c) we could just make do_wp_page() not COW the
pinned page (which was what we historically did before that "mm:
do_wp_page() simplification" commit).

But while all of them are equally valid models for breaking this chain,
not putting pinned pages into the swap cache in the first place is the
simplest one by far.

It's also the safest one: the reason why do_wp_page() was changed in the
first place was that getting the "can I re-use this page" wrong is so
fraught with errors.  If you do it wrong, you end up with an incorrectly
shared page.

As a result, using "page_maybe_dma_pinned()" in either do_wp_page() or
do_swap_page() would be a serious bug since it is only a (very good)
heuristic.  Re-using the page requires a hard black-and-white rule with
no room for ambiguity.

In contrast, saying "this page is very likely dma pinned, so let's not
add it to the swap cache and try to unmap it" is an obviously safe thing
to do, and if the heuristic might very rarely be a false positive, no
harm is done.

Fixes: 09854ba94c6a ("mm: do_wp_page() simplification")
Reported-and-tested-by: Martin Raiber <martin@urbackup.org>
Cc: Pavel Begunkov <asml.silence@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-01-17 12:08:04 -08:00
Linus Torvalds
0da0a8a0a0 SCSI fixes on 20210116
Nine minor fixes, 7 in drivers and 2 in the core SCSI disk driver (sd)
 which should be harmless involving removing an unused variable and
 quietening a spurious warning.
 
 Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

Pull SCSI fixes from James Bottomley:
 "Nine minor fixes, seven in drivers and two in the core SCSI disk
  driver (sd) which should be harmless involving removing an unused
  variable and quietening a spurious warning"

Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  scsi: sd: Remove obsolete variable in sd_remove()
  scsi: sd: Suppress spurious errors when WRITE SAME is being disabled
  scsi: scsi_debug: Fix memleak in scsi_debug_init()
  scsi: mpt3sas: Fix spelling mistake in Kconfig "compatiblity" -> "compatibility"
  scsi: qedi: Correct max length of CHAP secret
  scsi: ufs: Correct the LUN used in eh_device_reset_handler() callback
  scsi: ufs: Relocate flush of exceptional event
  scsi: ufs: Relax the condition of UFSHCI_QUIRK_SKIP_MANUAL_WB_FLUSH_CTRL
  scsi: ufs: Fix possible power drain during system suspend
2021-01-16 12:25:40 -08:00
Al Viro
d36a1dd9f7 dump_common_audit_data(): fix racy accesses to ->d_name
We are not guaranteed the locking environment that would prevent
dentry getting renamed right under us.  And it's possible for
old long name to be freed after rename, leading to UAF here.

Cc: stable@kernel.org # v2.6.2+
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2021-01-16 15:11:35 -05:00
Linus Torvalds
54c6247d06 block-5.11-2021-01-16
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Merge tag 'block-5.11-2021-01-16' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:
 "Just an nvme pull request via Christoph:

   - don't initialize hwmon for discover controllers (Sagi Grimberg)

   - fix iov_iter handling in nvme-tcp (Sagi Grimberg)

   - fix a preempt warning in nvme-tcp (Sagi Grimberg)

   - fix a possible NULL pointer dereference in nvme (Israel Rukshin)"

* tag 'block-5.11-2021-01-16' of git://git.kernel.dk/linux-block:
  nvme: don't intialize hwmon for discovery controllers
  nvme-tcp: fix possible data corruption with bio merges
  nvme-tcp: Fix warning with CONFIG_DEBUG_PREEMPT
  nvmet-rdma: Fix NULL deref when setting pi_enable and traddr INADDR_ANY
2021-01-16 11:39:58 -08:00
Linus Torvalds
11c0239ae2 io_uring-5.11-2021-01-16
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Merge tag 'io_uring-5.11-2021-01-16' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:
 "We still have a pending fix for a cancelation issue, but it's still
  being investigated. In the meantime:

   - Dead mm handling fix (Pavel)

   - SQPOLL setup error handling (Pavel)

   - Flush timeout sequence fix (Marcelo)

   - Missing finish_wait() for one exit case"

* tag 'io_uring-5.11-2021-01-16' of git://git.kernel.dk/linux-block:
  io_uring: ensure finish_wait() is always called in __io_uring_task_cancel()
  io_uring: flush timeouts that should already have expired
  io_uring: do sqo disable on install_fd error
  io_uring: fix null-deref in io_disable_sqo_submit
  io_uring: don't take files/mm for a dead task
  io_uring: drop mm and files after task_work_run
2021-01-16 11:12:02 -08:00
Linus Torvalds
acda701bf1 RISC-V Fixes for 5.11-rc4
There are a few more fixes than a normal rc4, largely due to the bubble
 introduced by the holiday break:
 
 * A fix to return -ENOSYS for syscall number -1, which previously
   returned an uninitialized value.
 * A fix to time_init() to ensure of_clk_init() has been called, without
   which clock drivers may not be initialized.
 * A fix to the sifive,uart0 driver to properly display the baud rate.  A
   fix to initialize MPIE that allows interrupts to be processed during
   system calls.
 * A fix to avoid erronously begin tracing IRQs when interrupts are
   disabled, which at least triggers suprious lockdep failures.
 * A workaround for a warning related to calling smp_processor_id() while
   preemptible.  The warning itself is suprious on currently availiable
   systems.
 * A fix to properly include the generic time VDSO calls.  A fix to our
   kasan address mapping.  A fix to the HiFive Unleashed device tree,
   which allows the Ethernet PHY to be properly initialized by Linux (as
   opposed to relying on the bootloader).
 * A defconfig update to include SiFive's GPIO driver, which is present
   on the HiFive Unleashed and necessary to initialize the PHY.
 * A fix to avoid allocating memory while initializing reserved memory.
 * A fix to avoid allocating the last 4K of memory, as pointers there
   alias with syscall errors.
 
 There are also two cleanups that should have no functional effect but do
 fix build warnings:
 
 * A cleanup to drop a duplicated definition of PAGE_KERNEL_EXEC.
 * A cleanup to properly declare the asm register SP shim.
 * A cleanup to the rv32 memory size Kconfig entry, to reflect the actual
   size of memory availiable.
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Merge tag 'riscv-for-linus-5.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux

Pull RISC-V fixes from Palmer Dabbelt:
 "There are a few more fixes than a normal rc4, largely due to the
  bubble introduced by the holiday break:

   - return -ENOSYS for syscall number -1, which previously returned an
     uninitialized value.

   - ensure of_clk_init() has been called in time_init(), without which
     clock drivers may not be initialized.

   - fix sifive,uart0 driver to properly display the baud rate. A fix to
     initialize MPIE that allows interrupts to be processed during
     system calls.

   - avoid erronously begin tracing IRQs when interrupts are disabled,
     which at least triggers suprious lockdep failures.

   - workaround for a warning related to calling smp_processor_id()
     while preemptible. The warning itself is suprious on currently
     availiable systems.

   - properly include the generic time VDSO calls. A fix to our kasan
     address mapping. A fix to the HiFive Unleashed device tree, which
     allows the Ethernet PHY to be properly initialized by Linux (as
     opposed to relying on the bootloader).

   - defconfig update to include SiFive's GPIO driver, which is present
     on the HiFive Unleashed and necessary to initialize the PHY.

   - avoid allocating memory while initializing reserved memory.

   - avoid allocating the last 4K of memory, as pointers there alias
     with syscall errors.

  There are also two cleanups that should have no functional effect but
  do fix build warnings:

   - drop a duplicated definition of PAGE_KERNEL_EXEC.

   - properly declare the asm register SP shim.

   - cleanup the rv32 memory size Kconfig entry, to reflect the actual
     size of memory availiable"

* tag 'riscv-for-linus-5.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  RISC-V: Fix maximum allowed phsyical memory for RV32
  RISC-V: Set current memblock limit
  RISC-V: Do not allocate memblock while iterating reserved memblocks
  riscv: stacktrace: Move register keyword to beginning of declaration
  riscv: defconfig: enable gpio support for HiFive Unleashed
  dts: phy: add GPIO number and active state used for phy reset
  dts: phy: fix missing mdio device and probe failure of vsc8541-01 device
  riscv: Fix KASAN memory mapping.
  riscv: Fixup CONFIG_GENERIC_TIME_VSYSCALL
  riscv: cacheinfo: Fix using smp_processor_id() in preemptible
  riscv: Trace irq on only interrupt is enabled
  riscv: Drop a duplicated PAGE_KERNEL_EXEC
  riscv: Enable interrupts during syscalls with M-Mode
  riscv: Fix sifive serial driver
  riscv: Fix kernel time_init()
  riscv: return -ENOSYS for syscall -1
2021-01-16 11:00:08 -08:00
Linus Torvalds
9348b73c2e mm: don't play games with pinned pages in clear_page_refs
Turning a pinned page read-only breaks the pinning after COW.  Don't do it.

The whole "track page soft dirty" state doesn't work with pinned pages
anyway, since the page might be dirtied by the pinning entity without
ever being noticed in the page tables.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-01-16 10:51:26 -08:00
Linus Torvalds
29a951dfb3 mm: fix clear_refs_write locking
Turning page table entries read-only requires the mmap_sem held for
writing.

So stop doing the odd games with turning things from read locks to write
locks and back.  Just get the write lock.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-01-16 10:46:39 -08:00
Atish Patra
e557793799
RISC-V: Fix maximum allowed phsyical memory for RV32
Linux kernel can only map 1GB of address space for RV32 as the page offset
is set to 0xC0000000. The current description in the Kconfig is confusing
as it indicates that RV32 can support 2GB of physical memory. That is
simply not true for current kernel. In future, a 2GB split support can be
added to allow 2GB physical address space.

Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2021-01-15 21:35:48 -08:00
Atish Patra
abb8e86b26
RISC-V: Set current memblock limit
Currently, linux kernel can not use last 4k bytes of addressable space
because IS_ERR_VALUE macro treats those as an error. This will be an issue
for RV32 as any memblock allocator potentially allocate chunk of memory
from the end of DRAM (2GB) leading bad address error even though the
address was technically valid.

Fix this issue by limiting the memblock if available memory spans the
entire address space.

Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2021-01-15 21:35:47 -08:00
Atish Patra
797f0375dd
RISC-V: Do not allocate memblock while iterating reserved memblocks
Currently, resource tree allocates memory blocks while iterating on the
list. It leads to following kernel warning because memblock allocation
also invokes memory block reservation API.

[    0.000000] ------------[ cut here ]------------
[    0.000000] WARNING: CPU: 0 PID: 0 at kernel/resource.c:795
__insert_resource+0x8e/0xd0
[    0.000000] Modules linked in:
[    0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted
5.10.0-00022-ge20097fb37e2-dirty #549
[    0.000000] epc: c00125c2 ra : c001262c sp : c1c01f50
[    0.000000]  gp : c1d456e0 tp : c1c0a980 t0 : ffffcf20
[    0.000000]  t1 : 00000000 t2 : 00000000 s0 : c1c01f60
[    0.000000]  s1 : ffffcf00 a0 : ffffff00 a1 : c1c0c0c4
[    0.000000]  a2 : 80c12b15 a3 : 80402000 a4 : 80402000
[    0.000000]  a5 : c1c0c0c4 a6 : 80c12b15 a7 : f5faf600
[    0.000000]  s2 : c1c0c0c4 s3 : c1c0e000 s4 : c1009a80
[    0.000000]  s5 : c1c0c000 s6 : c1d48000 s7 : c1613b4c
[    0.000000]  s8 : 00000fff s9 : 80000200 s10: c1613b40
[    0.000000]  s11: 00000000 t3 : c1d4a000 t4 : ffffffff

This is also unnecessary as we can pre-compute the total memblocks required
for each memory region and allocate it before the loop. It save precious
boot time not going through memblock allocation code every time.

Fixes: 00ab027a3b82 ("RISC-V: Add kernel image sections to the resource tree")

Reviewed-by: Anup Patel <anup@brainfault.org>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2021-01-15 21:35:46 -08:00
Christoph Hellwig
a959a9782f iov_iter: fix the uaccess area in copy_compat_iovec_from_user
sizeof needs to be called on the compat pointer, not the native one.

Fixes: 89cd35c58bc2 ("iov_iter: transparently handle compat iovecs in import_iovec")
Reported-by: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2021-01-15 22:51:42 -05:00
Linus Torvalds
1d94330a43 - Fix DM-raid's raid1 discard limits so discards work.
- Select missing Kconfig dependencies for DM integrity and zoned
   targets.
 
 - 4 fixes for DM crypt target's support to optionally bypass
   kcryptd workqueues.
 
 - Fix DM snapshot merge supports missing data flushes before
   committing metadata.
 
 - Fix DM integrity data device flushing when external metadata is
   used.
 
 - Fix DM integrity's maximum number of supported constructor arguments
   that user can request when creating an integrity device.
 
 - Eliminate DM core ioctl logging noise when an ioctl is issued
   without required CAP_SYS_RAWIO permission.
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Merge tag 'for-5.11/dm-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - Fix DM-raid's raid1 discard limits so discards work.

 - Select missing Kconfig dependencies for DM integrity and zoned
   targets.

 - Four fixes for DM crypt target's support to optionally bypass kcryptd
   workqueues.

 - Fix DM snapshot merge supports missing data flushes before committing
   metadata.

 - Fix DM integrity data device flushing when external metadata is used.

 - Fix DM integrity's maximum number of supported constructor arguments
   that user can request when creating an integrity device.

 - Eliminate DM core ioctl logging noise when an ioctl is issued without
   required CAP_SYS_RAWIO permission.

* tag 'for-5.11/dm-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  dm crypt: defer decryption to a tasklet if interrupts disabled
  dm integrity: fix the maximum number of arguments
  dm crypt: do not call bio_endio() from the dm-crypt tasklet
  dm integrity: fix flush with external metadata device
  dm: eliminate potential source of excessive kernel log noise
  dm snapshot: flush merged data before committing metadata
  dm crypt: use GFP_ATOMIC when allocating crypto requests from softirq
  dm crypt: do not wait for backlogged crypto request completion in softirq
  dm zoned: select CONFIG_CRC32
  dm integrity: select CRYPTO_SKCIPHER
  dm raid: fix discard limits for raid1
2021-01-15 18:01:17 -08:00
Linus Torvalds
b45e2da6e4 Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
 "10 patches.

  Subsystems affected by this patch series: MAINTAINERS and mm (slub,
  pagealloc, memcg, kasan, vmalloc, migration, hugetlb, memory-failure,
  and process_vm_access)"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  mm/process_vm_access.c: include compat.h
  mm,hwpoison: fix printing of page flags
  MAINTAINERS: add Vlastimil as slab allocators maintainer
  mm/hugetlb: fix potential missing huge page size info
  mm: migrate: initialize err in do_migrate_pages
  mm/vmalloc.c: fix potential memory leak
  arm/kasan: fix the array size of kasan_early_shadow_pte[]
  mm/memcontrol: fix warning in mem_cgroup_page_lruvec()
  mm/page_alloc: add a missing mm_page_alloc_zone_locked() tracepoint
  mm, slub: consider rest of partial list if acquire_slab() fails
2021-01-15 15:25:45 -08:00
Linus Torvalds
8cbe71e7e0 RDMA 5.11 first RC pull request
Several bug fixes.
 
 - Fix a ucma memory leak introduced in v5.9 while fixing the Syzkaller
   bugs
 
 - Don't fail when the xarray wraps for user verbs objects
 
 - User triggerable oops regression from the umem page size rework
 
 - Error unwind bugs in usnic, ocrdma, mlx5 and cma
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma fixes from Jason Gunthorpe:
 "A fairly modest set of bug fixes, nothing abnormal from the merge
  window

  The ucma patch is a bit on the larger side, but given the regression
  was recently added I've opted to forward it to the rc stream.

   - Fix a ucma memory leak introduced in v5.9 while fixing the
     Syzkaller bugs

   - Don't fail when the xarray wraps for user verbs objects

   - User triggerable oops regression from the umem page size rework

   - Error unwind bugs in usnic, ocrdma, mlx5 and cma"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
  RDMA/cma: Fix error flow in default_roce_mode_store
  RDMA/mlx5: Fix wrong free of blue flame register on error
  IB/mlx5: Fix error unwinding when set_has_smi_cap fails
  RDMA/umem: Avoid undefined behavior of rounddown_pow_of_two()
  RDMA/ocrdma: Fix use after free in ocrdma_dealloc_ucontext_pd()
  RDMA/usnic: Fix memleak in find_free_vf_and_create_qp_grp
  RDMA/restrack: Don't treat as an error allocation ID wrapping
  RDMA/ucma: Do not miss ctx destruction steps in some cases
2021-01-15 15:14:40 -08:00
Jens Axboe
a8d13dbccb io_uring: ensure finish_wait() is always called in __io_uring_task_cancel()
If we enter with requests pending and performm cancelations, we'll have
a different inflight count before and after calling prepare_to_wait().
This causes the loop to restart. If we actually ended up canceling
everything, or everything completed in-between, then we'll break out
of the loop without calling finish_wait() on the waitqueue. This can
trigger a warning on exit_signals(), as we leave the task state in
TASK_UNINTERRUPTIBLE.

Put a finish_wait() after the loop to catch that case.

Cc: stable@vger.kernel.org # 5.9+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2021-01-15 16:04:23 -07:00
Linus Torvalds
0bc9bc1d8b A number of bug fixes for ext4:
* For the new fast_commit feature
    * Fix some error handling codepaths in whiteout handling and
      mountpoint sampling
    * Fix how we write ext4_error information so it goes through the journal
      when journalling is active, to avoid races that can lead to lost
      error information, superblock checksum failures, or DIF/DIX features.
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 fixes from Ted Ts'o:
 "A number of bug fixes for ext4:

   - Fix for the new fast_commit feature

   - Fix some error handling codepaths in whiteout handling and
     mountpoint sampling

   - Fix how we write ext4_error information so it goes through the
     journal when journalling is active, to avoid races that can lead to
     lost error information, superblock checksum failures, or DIF/DIX
     features"

* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: remove expensive flush on fast commit
  ext4: fix bug for rename with RENAME_WHITEOUT
  ext4: fix wrong list_splice in ext4_fc_cleanup
  ext4: use IS_ERR instead of IS_ERR_OR_NULL and set inode null when IS_ERR
  ext4: don't leak old mountpoint samples
  ext4: drop ext4_handle_dirty_super()
  ext4: fix superblock checksum failure when setting password salt
  ext4: use sbi instead of EXT4_SB(sb) in ext4_update_super()
  ext4: save error info to sb through journal if available
  ext4: protect superblock modifications with a buffer lock
  ext4: drop sync argument of ext4_commit_super()
  ext4: combine ext4_handle_error() and save_error_info()
2021-01-15 14:54:24 -08:00
Linus Torvalds
7cd3c41261 2 small cifs fixes for stable (including an important handle leak fix) and 3 small cleanup patches
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Merge tag '5.11-rc3-smb3' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fixes from Steve French:
 "Two small cifs fixes for stable (including an important handle leak
  fix) and three small cleanup patches"

* tag '5.11-rc3-smb3' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: style: replace one-element array with flexible-array
  cifs: connect: style: Simplify bool comparison
  fs: cifs: remove unneeded variable in smb3_fs_context_dup
  cifs: fix interrupted close commands
  cifs: check pointer before freeing
2021-01-15 14:39:21 -08:00
Linus Torvalds
82821be8a2 arm64 fixes:
- Set the minimum GCC version to 5.1 for arm64 due to earlier compiler
   bugs.
 
 - Make atomic helpers __always_inline to avoid a section mismatch when
   compiling with clang.
 
 - Fix the CMA and crashkernel reservations to use ZONE_DMA (remove the
   arm64_dma32_phys_limit variable, no longer needed with a dynamic
   ZONE_DMA sizing in 5.11).
 
 - Remove redundant IRQ flag tracing that was leaving lockdep
   inconsistent with the hardware state.
 
 - Revert perf events based hard lockup detector that was causing
   smp_processor_id() to be called in preemptible context.
 
 - Some trivial cleanups - spelling fix, renaming S_FRAME_SIZE to
   PT_REGS_SIZE, function prototypes added.
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 fixes from Catalin Marinas:

 - Set the minimum GCC version to 5.1 for arm64 due to earlier compiler
   bugs.

 - Make atomic helpers __always_inline to avoid a section mismatch when
   compiling with clang.

 - Fix the CMA and crashkernel reservations to use ZONE_DMA (remove the
   arm64_dma32_phys_limit variable, no longer needed with a dynamic
   ZONE_DMA sizing in 5.11).

 - Remove redundant IRQ flag tracing that was leaving lockdep
   inconsistent with the hardware state.

 - Revert perf events based hard lockup detector that was causing
   smp_processor_id() to be called in preemptible context.

 - Some trivial cleanups - spelling fix, renaming S_FRAME_SIZE to
   PT_REGS_SIZE, function prototypes added.

* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
  arm64: selftests: Fix spelling of 'Mismatch'
  arm64: syscall: include prototype for EL0 SVC functions
  compiler.h: Raise minimum version of GCC to 5.1 for arm64
  arm64: make atomic helpers __always_inline
  arm64: rename S_FRAME_SIZE to PT_REGS_SIZE
  Revert "arm64: Enable perf events based hard lockup detector"
  arm64: entry: remove redundant IRQ flag tracing
  arm64: Remove arm64_dma32_phys_limit and its uses
2021-01-15 13:11:51 -08:00