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author | Ingo Molnar <mingo@kernel.org> | 2019-02-04 08:45:42 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2019-02-04 08:45:42 +0100 |
commit | 98cb621081705e2244ef6c265ff8a9f2208c7e2a (patch) | |
tree | 6205be47a83d54d3e35e049b67973244120f8bd6 /drivers/infiniband/hw/mlx5/odp.c | |
parent | b844ff366f06a2bcecfbd053b4d4a472e670dec8 (diff) | |
parent | 9dff0aa95a324e262ffb03f425d00e4751f3294e (diff) | |
download | linux-98cb621081705e2244ef6c265ff8a9f2208c7e2a.tar.gz linux-98cb621081705e2244ef6c265ff8a9f2208c7e2a.tar.bz2 linux-98cb621081705e2244ef6c265ff8a9f2208c7e2a.zip |
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/odp.c')
-rw-r--r-- | drivers/infiniband/hw/mlx5/odp.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/mlx5/odp.c b/drivers/infiniband/hw/mlx5/odp.c index 01e0f6200631..4ee32964e1dd 100644 --- a/drivers/infiniband/hw/mlx5/odp.c +++ b/drivers/infiniband/hw/mlx5/odp.c @@ -1595,10 +1595,12 @@ static void mlx5_ib_prefetch_mr_work(struct work_struct *work) struct prefetch_mr_work *w = container_of(work, struct prefetch_mr_work, work); - if (w->dev->ib_dev.reg_state == IB_DEV_REGISTERED) + if (ib_device_try_get(&w->dev->ib_dev)) { mlx5_ib_prefetch_sg_list(w->dev, w->pf_flags, w->sg_list, w->num_sge); - + ib_device_put(&w->dev->ib_dev); + } + put_device(&w->dev->ib_dev.dev); kfree(w); } @@ -1617,15 +1619,13 @@ int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd, return mlx5_ib_prefetch_sg_list(dev, pf_flags, sg_list, num_sge); - if (dev->ib_dev.reg_state != IB_DEV_REGISTERED) - return -ENODEV; - work = kvzalloc(struct_size(work, sg_list, num_sge), GFP_KERNEL); if (!work) return -ENOMEM; memcpy(work->sg_list, sg_list, num_sge * sizeof(struct ib_sge)); + get_device(&dev->ib_dev.dev); work->dev = dev; work->pf_flags = pf_flags; work->num_sge = num_sge; |