tracing/dynevent: Delegate parsing to create function
Delegate command parsing to each create function so that the
command syntax can be customized.
This requires changes to the kprobe/uprobe/synthetic event handling,
which are also included here.
Link: https://lkml.kernel.org/r/e488726f49cbdbc01568618f8680584306c4c79f.1612208610.git.zanussi@kernel.org
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
[ zanussi@kernel.org: added synthetic event modifications ]
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 7fd4323..b79bcac 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -9412,30 +9412,11 @@ void ftrace_dump(enum ftrace_dump_mode oops_dump_mode)
}
EXPORT_SYMBOL_GPL(ftrace_dump);
-int trace_run_command(const char *buf, int (*createfn)(int, char **))
-{
- char **argv;
- int argc, ret;
-
- argc = 0;
- ret = 0;
- argv = argv_split(GFP_KERNEL, buf, &argc);
- if (!argv)
- return -ENOMEM;
-
- if (argc)
- ret = createfn(argc, argv);
-
- argv_free(argv);
-
- return ret;
-}
-
#define WRITE_BUFSIZE 4096
ssize_t trace_parse_run_command(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos,
- int (*createfn)(int, char **))
+ int (*createfn)(const char *))
{
char *kbuf, *buf, *tmp;
int ret = 0;
@@ -9483,7 +9464,7 @@ ssize_t trace_parse_run_command(struct file *file, const char __user *buffer,
if (tmp)
*tmp = '\0';
- ret = trace_run_command(buf, createfn);
+ ret = createfn(buf);
if (ret)
goto out;
buf += size;