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| author |   Alexei Starovoitov <ast@kernel.org> | 2018-03-28 12:05:32 -0700 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2018-03-28 22:55:18 +0200 |
| commit | c105547501016897194358b11451608a8d5f9a02 (patch) | |
| tree | 36732a6cb7c40dab79b0bcacbb6fcaca61729024 /drivers/infiniband/hw/hfi1/file_ops.c | |
| parent | bpf: Add sock_ops R/W access to ipv4 tos (diff) | |
| download | linux-dev-c105547501016897194358b11451608a8d5f9a02.tar.xz linux-dev-c105547501016897194358b11451608a8d5f9a02.zip | |
treewide: remove large struct-pass-by-value from tracepoint arguments
- fix trace_hfi1_ctxt_info() to pass large struct by reference instead of by value
- convert 'type array[]' tracepoint arguments into 'type *array',
since compiler will warn that sizeof('type array[]') == sizeof('type *array')
and later should be used instead
The CAST_TO_U64 macro in the later patch will enforce that tracepoint
arguments can only be integers, pointers, or less than 8 byte structures.
Larger structures should be passed by reference.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/file_ops.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index 41fafebe3b0d..da4aa1a95b11 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -1153,7 +1153,7 @@ static int get_ctxt_info(struct hfi1_filedata *fd, unsigned long arg, u32 len) cinfo.sdma_ring_size = fd->cq->nentries; cinfo.rcvegr_size = uctxt->egrbufs.rcvtid_size; - trace_hfi1_ctxt_info(uctxt->dd, uctxt->ctxt, fd->subctxt, cinfo); + trace_hfi1_ctxt_info(uctxt->dd, uctxt->ctxt, fd->subctxt, &cinfo); if (copy_to_user((void __user *)arg, &cinfo, len)) return -EFAULT; |