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linux/drivers/infiniband/core
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John Hubbard 4789fcdd14 IB/umem: use get_user_pages_fast() to pin DMA pages 
And get rid of the mmap_sem calls, as part of that.  Note that
get_user_pages_fast() will, if necessary, fall back to
__gup_longterm_unlocked(), which takes the mmap_sem as needed.

Link: http://lkml.kernel.org/r/20200107224558.2362728-10-jhubbard@nvidia.com
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Björn Töpel <bjorn.topel@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kirill A. Shutemov <kirill@shutemov.name>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2020-01-31 10:30:37 -08:00
..
Makefile RDMA/core: Move core content from ib_uverbs to ib_core 2019-11-05 09:59:26 -04:00
addr.c net: ipv6_stub: use ip6_dst_lookup_flow instead of ip6_dst_lookup 2019-12-04 12:27:13 -08:00
agent.c RDMA: Mark if destroy address handle is in a sleepable context 2018-12-19 16:28:03 -07:00
agent.h
…
cache.c IB/core: Do not notify GID change event of an unregistered device 2019-10-22 16:58:22 -03:00
cgroup.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
cm.c RDMA/cm: Use refcount_t type for refcount variable 2019-11-19 16:10:04 -04:00
cm_msgs.h RDMA/cm: Update copyright together with SPDX tag 2019-10-28 10:15:11 -03:00
cma.c RDMA/cma: add missed unregister_pernet_subsys in init failure 2019-12-09 12:02:11 -05:00
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
core_priv.h RDMA subsystem updates for 5.5 2019-11-27 10:17:28 -08:00
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: Enable ib_alloc_cq to spread work over a device's comp_vectors 2019-08-05 11:50:32 -04:00
device.c hmm related patches for 5.5 2019-11-30 10:33:14 -08:00
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
…
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.c RDMA: Change MAD processing function to remove extra casting and parameter 2019-11-12 20:20:15 -04:00
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
…
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
…
rdma_core.c RDMA/core: Create mmap database and cookie helper functions 2019-11-06 13:08:00 -04:00
rdma_core.h RDMA/core: Clear out the udata before error unwind 2019-05-27 14:35:26 -03:00
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.h RDMA/core: Annotate timeout as unsigned long 2018-10-16 13:34:01 -04:00
sa_query.c infiniband: fix core/ kernel-doc notation 2019-10-22 14:52:56 -03:00
security.c IB/core: Fix wrong iterating on ports 2019-10-04 15:50:27 -03:00
smi.c
…
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
ucma.c RDMA: Report available cdevs through RDMA_NLDEV_CMD_GET_CHARDEV 2019-06-18 22:44:08 -04:00
ud_header.c
…
umem.c IB/umem: use get_user_pages_fast() to pin DMA pages 2020-01-31 10:30:37 -08:00
umem_odp.c IB: Allow calls to ib_umem_get from kernel ULPs 2020-01-16 16:14:28 +02:00
user_mad.c Merge branch 'odp_fixes' into rdma.git for-next 2019-08-21 14:10:36 -03:00
uverbs.h RDMA/uverbs: Prevent potential underflow 2019-10-22 15:05:36 -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 compat_ioctl: remove most of fs/compat_ioctl.c 2019-12-01 13:46:15 -08:00
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.c IB: Remove 'uobject->context' dependency in object destroy APIs 2019-04-01 14:59:35 -03:00
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_uapi.c RDMA: Move driver_id into struct ib_device_ops 2019-06-10 16:56:02 -03:00
verbs.c IB/core: Add interface to advise_mr for kernel users 2020-01-16 16:14:42 +02:00