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| author |   Jason Gunthorpe <jgg@mellanox.com> | 2019-08-06 20:15:43 -0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-08-21 20:58:18 -0300 |
| commit | c571feca2dc972dc5afeba9036d08239f1c51af1 (patch) | |
| tree | f907d8667244966af9369b0cd36c897c692f3209 /drivers/infiniband/core/uverbs_cmd.c | |
| parent | Merge branch 'odp_fixes' into hmm.git (diff) | |
| download | linux-dev-c571feca2dc972dc5afeba9036d08239f1c51af1.tar.xz linux-dev-c571feca2dc972dc5afeba9036d08239f1c51af1.zip | |
RDMA/odp: use mmu_notifier_get/put for 'struct ib_ucontext_per_mm'
This is a significant simplification, no extra list is kept per FD, and
the interval tree is now shared between all the ucontexts, reducing
overhead if there are multiple ucontexts active.
Link: https://lore.kernel.org/r/20190806231548.25242-7-jgg@ziepe.ca
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/core/uverbs_cmd.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_cmd.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c index 8f4fd4fac159..7c10dfe417a4 100644 --- a/drivers/infiniband/core/uverbs_cmd.c +++ b/drivers/infiniband/core/uverbs_cmd.c @@ -252,9 +252,6 @@ static int ib_uverbs_get_context(struct uverbs_attr_bundle *attrs) ucontext->closing = false; ucontext->cleanup_retryable = false; - mutex_init(&ucontext->per_mm_list_lock); - INIT_LIST_HEAD(&ucontext->per_mm_list); - ret = get_unused_fd_flags(O_CLOEXEC); if (ret < 0) goto err_free; |