AuxXxilium/linux_dsm_epyc7002
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6898d1c661
linux_dsm_epyc7002/drivers/infiniband/core
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Jason Gunthorpe 6898d1c661 RDMA/mlx5: Use RCU and direct refcounts to keep memory alive 
dispatch_event_fd() runs from a notifier with minimal locking, and relies
on RCU and a file refcount to keep the uobject and eventfd alive.

As the next patch wants to remove the file_operations release function
from the drivers, re-organize things so that the devx_event_notifier()
path uses the existing RCU to manage the lifetime of the uobject and
eventfd.

Move the refcount puts to a call_rcu so that the objects are guaranteed to
exist and remove the indirect file refcount.

Link: https://lore.kernel.org/r/1578504126-9400-2-git-send-email-yishaih@mellanox.com
Signed-off-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2020-01-13 16:17:19 -04:00
..
addr.c RDMA/netlink: Do not always generate an ACK for some netlink operations 2020-01-03 16:02:32 -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: Cut down single member ib_cache structure 2020-01-07 20:18:11 -04:00
cgroup.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
cm_msgs.h RDMA/cm: Delete unused CM LAP functions 2020-01-03 21:06:21 -04:00
cm.c RDMA/cm: Delete unused CM ARP functions 2020-01-03 21:07:21 -04:00
cma_configfs.c RDMA/core: Annotate destroy of mutex to ensure that it is released as unlocked 2019-07-25 12:07:14 -03:00
cma_priv.h IB/cma: Define option to set ack timeout and pack tos_set 2019-02-08 16:14:21 -07:00
cma_trace.c RDMA/cma: Add trace points in RDMA Connection Manager 2020-01-07 16:10:53 -04:00
cma_trace.h RDMA/cma: Add trace points in RDMA Connection Manager 2020-01-07 16:10:53 -04:00
cma.c RDMA/cma: Add trace points in RDMA Connection Manager 2020-01-07 16:10:53 -04:00
core_priv.h IB/core: Let IB core distribute cache update events 2020-01-07 20:18:10 -04:00
counters.c RDMA/counter: Prevent auto-binding a QP which are not tracked with res 2019-12-12 15:38:15 -05:00
cq.c RDMA/core: Trace points for diagnosing completion queue issues 2020-01-07 16:10:53 -04:00
device.c RDMA/core: Remove err in iw_query_port 2020-01-10 11:19:04 -04:00
fmr_pool.c RDMA: Delete DEBUG code 2019-08-20 13:27:53 -04:00
ib_core_uverbs.c IB/core: Introduce rdma_user_mmap_entry_insert_range() API 2019-12-12 16:55:36 -05:00
iwcm.c RDMA/iwcm: move iw_rem_ref() calls out of spinlock 2019-10-18 14:40:01 -04:00
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: Delete unnecessary checks before the macro call "dev_kfree_skb" 2019-08-27 13:09:23 -03:00
iwpm_util.c RDMA/iwpm: Delete unnecessary checks before the macro call "dev_kfree_skb" 2019-08-27 13:09:23 -03:00
iwpm_util.h infiniband: fix core/ipwm_util.h kernel-doc warnings 2019-10-22 14:45:31 -03:00
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 RDMA: Change MAD processing function to remove extra casting and parameter 2019-11-12 20:20:15 -04:00
Makefile RDMA/core: Trace points for diagnosing completion queue issues 2020-01-07 16:10:53 -04:00
mr_pool.c Linux 5.2-rc6 2019-06-28 21:18:23 -03:00
multicast.c IB/core, ipoib: Do not overreact to SM LID change event 2019-05-07 16:06:03 -03:00
netlink.c IB/core: Avoid deadlock during netlink message handling 2019-10-24 20:49:37 -03:00
nldev.c RDMA subsystem updates for 5.5 2019-11-27 10:17:28 -08:00
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 RDMA/mlx5: Use RCU and direct refcounts to keep memory alive 2020-01-13 16:17:19 -04:00
rdma_core.h RDMA/mlx5: Use RCU and direct refcounts to keep memory alive 2020-01-13 16:17:19 -04:00
restrack.c RDMA/restrack: Remove PID namespace support 2019-10-23 15:58:31 -03:00
restrack.h RDMA/restrack: Remove PID namespace support 2019-10-23 15:58:31 -03:00
roce_gid_mgmt.c drivers: use in_dev_for_each_ifa_rtnl/rcu 2019-06-02 18:06:26 -07:00
rw.c RDMA/rw: Support threshold for registration vs scattering to local pages 2019-10-22 14:26:52 -03:00
sa_query.c RDMA/netlink: Do not always generate an ACK for some netlink operations 2020-01-03 16:02:32 -04:00
sa.h RDMA/core: Annotate timeout as unsigned long 2018-10-16 13:34:01 -04:00
security.c IB/core: Fix wrong iterating on ports 2019-10-04 15:50:27 -03:00
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: Change MAD processing function to remove extra casting and parameter 2019-11-12 20:20:15 -04:00
trace.c RDMA/core: Trace points for diagnosing completion queue issues 2020-01-07 16:10:53 -04:00
ucma.c RDMA: Report available cdevs through RDMA_NLDEV_CMD_GET_CHARDEV 2019-06-18 22:44:08 -04:00
ud_header.c IB/core: trivial prink cleanup. 2016-03-03 10:20:25 -05:00
umem_odp.c IB/core: Fix build failure without hugepages 2020-01-09 11:59:56 -04:00
umem.c IB/umem: remove the dmasync argument to ib_umem_get 2019-11-17 10:37:00 -04:00
user_mad.c Merge branch 'odp_fixes' into rdma.git for-next 2019-08-21 14:10:36 -03:00
uverbs_cmd.c RDMA/core: Create mmap database and cookie helper functions 2019-11-06 13:08:00 -04:00
uverbs_ioctl.c RDMA/uverbs: Add a check for uverbs_attr_get to uverbs_copy_to_struct_or_zero 2019-10-22 16:10:03 -03:00
uverbs_main.c RDMA/core: Fix locking in ib_uverbs_event_read 2020-01-10 10:52:56 -04:00
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 Linux 5.2-rc6 2019-06-28 21:18:23 -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 Linux 5.2-rc6 2019-06-28 21:18:23 -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 RDMA: Move driver_id into struct ib_device_ops 2019-06-10 16:56:02 -03:00
uverbs.h RDMA/uverbs: Prevent potential underflow 2019-10-22 15:05:36 -03:00
verbs.c IB/core: Rename event_handler_lock to qp_open_list_lock 2020-01-07 20:20:48 -04:00