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| author | Jason Gunthorpe <jgg@mellanox.com> | 2019-08-07 01:15:43 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-08-22 01:58:18 +0200 |
| commit | c571feca2dc972dc5afeba9036d08239f1c51af1 (patch) | |
| tree | f907d8667244966af9369b0cd36c897c692f3209 /drivers/infiniband/hw/mlx5/main.c | |
| parent | Merge branch 'odp_fixes' into hmm.git (diff) | |
| download | linux-c571feca2dc972dc5afeba9036d08239f1c51af1.tar.xz linux-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/hw/mlx5/main.c')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 7d5c2763b691..4ba73a95475a 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1995,11 +1995,6 @@ static void mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); struct mlx5_bfreg_info *bfregi; - /* All umem's must be destroyed before destroying the ucontext. */ - mutex_lock(&ibcontext->per_mm_list_lock); - WARN_ON(!list_empty(&ibcontext->per_mm_list)); - mutex_unlock(&ibcontext->per_mm_list_lock); - bfregi = &context->bfregi; mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid); |