AuxXxilium/linux_dsm_epyc7002
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eb15c78b05
linux_dsm_epyc7002/drivers/infiniband/core
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Parav Pandit eb15c78b05 RDMA/core: Do not invoke init_port on compat devices 
The driver interface cannot manipulate the sysfs of the compat device,
only of the full device so we must avoid calling the driver sysfs APIs on
compat devices.

This prevents an oops:

 Call Trace:
 dump_stack+0x5a/0x73
 kobject_init+0x74/0x80
 kobject_init_and_add+0x35/0xb0
 hfi1_create_port_files+0x6e/0x3c0 [hfi1]
 ib_setup_port_attrs+0x43b/0x560 [ib_core]
 add_one_compat_dev+0x16a/0x230 [ib_core]
 rdma_dev_init_net+0x110/0x160 [ib_core]
 ops_init+0x38/0xf0
 setup_net+0xcf/0x1e0
 copy_net_ns+0xb7/0x130
 create_new_namespaces+0x11a/0x1b0
 unshare_nsproxy_namespaces+0x55/0xa0
 ksys_unshare+0x1a7/0x340
 __x64_sys_unshare+0xe/0x20
 do_syscall_64+0x5b/0x180
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: 5417783eab ("RDMA/core: Support core port attributes in non init_net")
Reported-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Tested-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2019-05-03 10:41:23 -03:00
..
addr.c RDMA/core: Annotate timeout as unsigned long 2018-10-16 13:34:01 -04:00
agent.c RDMA: Mark if destroy address handle is in a sleepable context 2018-12-19 16:28:03 -07:00
agent.h IB/mad: Add final OPA MAD processing 2015-06-12 14:49:18 -04:00
cache.c IB/core: Allow vlan link local address based RoCE GIDs 2019-04-24 10:08:15 -03:00
cgroup.c IB/core: Simplify rdma cgroup registration 2019-01-18 13:43:10 -07:00
cm_msgs.h RDMA: Use __packed annotation instead of __attribute__ ((packed)) 2019-03-25 21:14:12 -03:00
cm.c RDMA/cm: Move debug counters to be under relevant IB device 2019-04-08 13:05:24 -03:00
cma_configfs.c RDMA/cma: Move cma module specific functions to cma_priv.h 2018-11-22 11:57:33 -07:00
cma_priv.h IB/cma: Define option to set ack timeout and pack tos_set 2019-02-08 16:14:21 -07:00
cma.c RDMA/cma: Consider scope_id while binding to ipv6 ll address 2019-04-24 10:39:16 -03:00
core_priv.h RDMA/core: Do not invoke init_port on compat devices 2019-05-03 10:41:23 -03:00
cq.c IB: Pass only ib_udata in function prototypes 2019-04-01 15:00:47 -03:00
device.c RDMA/core: Do not invoke init_port on compat devices 2019-05-03 10:41:23 -03:00
fmr_pool.c RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
iwcm.c RDMA/iwcm: Fix string truncation error 2019-02-19 20:52:19 -07:00
iwcm.h iw_cm: free cm_id resources on the last deref 2016-08-02 13:15:18 -04:00
iwpm_msg.c RDMA/iwpm: move kdoc comments to functions 2019-02-05 15:40:41 -07:00
iwpm_util.c RDMA/iwpm: Remove set but not used variable 'msg_seq' 2019-02-14 14:47:39 -07:00
iwpm_util.h RDMA/IWPM: Support no port mapping requirements 2019-02-04 16:26:02 -07:00
mad_priv.h RDMA: Use __packed annotation instead of __attribute__ ((packed)) 2019-03-25 21:14:12 -03:00
mad_rmpp.c RDMA: Mark if destroy address handle is in a sleepable context 2018-12-19 16:28:03 -07:00
mad_rmpp.h
mad.c IB/MAD: Add SMP details to MAD tracing 2019-03-27 15:52:01 -03:00
Makefile IB/{core,uverbs}: Move ib_umem_xxx functions from ib_core to ib_uverbs 2019-01-10 17:06:44 -07:00
mr_pool.c IB/core: add a simple MR pool 2016-05-13 13:37:18 -04:00
multicast.c IB: Make ib_init_ah_from_mcmember set sgid_attr 2018-06-25 14:19:56 -06:00
netlink.c RDMA/cma: Remove CM_ID statistics provided by rdma-cm module 2019-02-05 15:30:33 -07:00
nldev.c RDMA/core: Add a netlink command to change net namespace of rdma device 2019-04-22 14:44:58 -03:00
opa_smi.h RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
packer.c IB/core: trivial prink cleanup. 2016-03-03 10:20:25 -05:00
rdma_core.c uverbs: Convert idr to XArray 2019-04-25 12:27:11 -03:00
rdma_core.h IB: Pass uverbs_attr_bundle down uobject destroy path 2019-04-01 14:55:36 -03:00
restrack.c XArray updates for 5.1-rc1 2019-03-11 20:06:18 -07:00
restrack.h RDMA/restrack: Prepare restrack_root to addition of extra fields per-type 2019-02-19 10:13:38 -07:00
roce_gid_mgmt.c IB/core: Fix oops in netdev_next_upper_dev_rcu() 2018-12-12 12:14:49 -05:00
rw.c IB/core: Remove ib_sg_dma_address() and ib_sg_dma_len() 2019-02-04 14:34:07 -07:00
sa_query.c ib core: Convert query_idr to XArray 2019-03-26 11:47:05 -03:00
sa.h RDMA/core: Annotate timeout as unsigned long 2018-10-16 13:34:01 -04:00
security.c RDMA/device: Consolidate ib_device per_port data into one place 2019-02-19 10:13:39 -07:00
smi.c IB: Add rdma_cap_ib_switch helper and use where appropriate 2015-07-14 13:20:08 -04:00
smi.h RDMA: Start use ib_device_ops 2018-12-12 07:40:16 -07:00
sysfs.c RDMA/core: Do not invoke init_port on compat devices 2019-05-03 10:41:23 -03:00
ucm.c ucm: Convert ctx_id_table to XArray 2019-03-26 11:50:29 -03:00
ucma.c IB/cma: Define option to set ack timeout and pack tos_set 2019-02-08 16:14:21 -07:00
ud_header.c IB/core: trivial prink cleanup. 2016-03-03 10:20:25 -05:00
umem_odp.c RDMA/umem: Combine contiguous PAGE_SIZE regions in SGEs 2019-04-08 13:05:24 -03:00
umem.c RDMA/umem: Handle page combining avoidance correctly in ib_umem_add_sg_table() 2019-05-02 16:50:12 -03:00
user_mad.c RDMA: Check net namespace access for uverbs, umad, cma and nldev 2019-03-28 14:52:02 -03:00
uverbs_cmd.c IB/core: Set qp->real_qp before it may be accessed 2019-05-03 10:17:45 -03:00
uverbs_ioctl.c RDMA/uverbs: Initialize udata struct on destroy flows 2019-05-02 17:07:02 -03:00
uverbs_main.c Merge branch 'rdma_mmap' into rdma.git for-next 2019-04-24 16:20:34 -03:00
uverbs_marshall.c IB/cm: Replace members of sa_path_rec with 'struct sgid_attr *' 2018-06-25 14:19:57 -06:00
uverbs_std_types_counters.c IB: When attrs.udata/ufile is available use that instead of uobject 2019-04-08 13:05:25 -03:00
uverbs_std_types_cq.c IB: When attrs.udata/ufile is available use that instead of uobject 2019-04-08 13:05:25 -03:00
uverbs_std_types_device.c IB/uverbs: Fix ioctl query port to consider device disassociation 2019-01-25 11:58:06 -07:00
uverbs_std_types_dm.c IB: When attrs.udata/ufile is available use that instead of uobject 2019-04-08 13:05:25 -03:00
uverbs_std_types_flow_action.c IB: When attrs.udata/ufile is available use that instead of uobject 2019-04-08 13:05:25 -03:00
uverbs_std_types_mr.c IB: Pass uverbs_attr_bundle down ib_x destroy path 2019-04-01 14:57:35 -03:00
uverbs_std_types.c IB: Remove 'uobject->context' dependency in object destroy APIs 2019-04-01 14:59:35 -03:00
uverbs_uapi.c IB/mlx5: Introduce MLX5_IB_OBJECT_DEVX_ASYNC_CMD_FD 2019-01-29 13:32:43 -07:00
uverbs.h uverbs: Convert idr to XArray 2019-04-25 12:27:11 -03:00
verbs.c IB/core: Set qp->real_qp before it may be accessed 2019-05-03 10:17:45 -03:00