diff options
Diffstat (limited to 'kernel/debug/kdb/kdb_io.c')
| -rw-r--r-- | kernel/debug/kdb/kdb_io.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c index e8444b23c37d..46aae579eec9 100644 --- a/kernel/debug/kdb/kdb_io.c +++ b/kernel/debug/kdb/kdb_io.c @@ -878,8 +878,10 @@ int kdb_print_seq_file(const struct seq_operations *ops) struct seq_file m = { .buf = seq_buf, .size = sizeof(seq_buf), - /* .lock is deliberately uninitialized to help reveal - * unsupportable show methods + /* .lock is deliberately left uninitialized because it is + * used by seq_file read/lseek wrapper functions. It cannot be + * used from any of the seq_operations (assuming the ops are + * deadlock free with the normal interface). */ .op = ops, }; |