diff options
| author | Bart Van Assche <bart.vanassche@sandisk.com> | 2017-01-10 11:15:47 -0800 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-01-10 16:52:47 -0500 |
| commit | 43553b47c3124e7f4a9f115cff9db513b35a5e0a (patch) | |
| tree | 408a1e2b7e1dfbd97e223df17ce51e58282bcffb /drivers/infiniband/sw/rxe/rxe_mr.c | |
| parent | 32404fb76408e873d79d0723fda3207b18d235ad (diff) | |
| download | lwn-43553b47c3124e7f4a9f115cff9db513b35a5e0a.tar.gz lwn-43553b47c3124e7f4a9f115cff9db513b35a5e0a.zip | |
IB/rxe: Issue warnings once
It is strongly recommended to report kernel warnings once instead
of every time a condition is hit. Hence change WARN_ON() into
WARN_ON_ONCE() / BUILD_BUG_ON() as appropriate.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Andrew Boyer <andrew.boyer@dell.com>
Cc: Moni Shoua <monis@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_mr.c')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_mr.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_mr.c b/drivers/infiniband/sw/rxe/rxe_mr.c index 8ca3acd327b3..8cf38b253c37 100644 --- a/drivers/infiniband/sw/rxe/rxe_mr.c +++ b/drivers/infiniband/sw/rxe/rxe_mr.c @@ -123,7 +123,7 @@ static int rxe_mem_alloc(struct rxe_dev *rxe, struct rxe_mem *mem, int num_buf) goto err2; } - WARN_ON(!is_power_of_2(RXE_BUF_PER_MAP)); + BUILD_BUG_ON(!is_power_of_2(RXE_BUF_PER_MAP)); mem->map_shift = ilog2(RXE_BUF_PER_MAP); mem->map_mask = RXE_BUF_PER_MAP - 1; @@ -189,7 +189,7 @@ int rxe_mem_init_user(struct rxe_dev *rxe, struct rxe_pd *pd, u64 start, goto err1; } - WARN_ON(!is_power_of_2(umem->page_size)); + WARN_ON_ONCE(!is_power_of_2(umem->page_size)); mem->page_shift = ilog2(umem->page_size); mem->page_mask = umem->page_size - 1; @@ -375,7 +375,7 @@ int rxe_mem_copy(struct rxe_mem *mem, u64 iova, void *addr, int length, return 0; } - WARN_ON(!mem->map); + WARN_ON_ONCE(!mem->map); err = mem_check_range(mem, iova, length); if (err) { |