aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLuis Chamberlain <[email protected]>2022-04-21 11:38:43 -0700
committerLuis Chamberlain <[email protected]>2022-04-21 13:11:51 -0700
commit8fd7c2144d1292f15c901211750dee021ed5079a (patch)
tree2e7c2e6673962dbc8fd83e1eee3f8cd709529975
parentcb55f27ac9326bfe3bcaaf0adb498778d64602b6 (diff)
ftrace: fix building with SYSCTL=y but DYNAMIC_FTRACE=n
Ok so hopefully this is the last of it. 0day picked up a build failure [0] when SYSCTL=y but DYNAMIC_FTRACE=n. This can be fixed by just declaring an empty routine for the calls moved just recently. [0] https://lkml.kernel.org/r/[email protected] Reported-by: kernel test robot <[email protected]> Fixes: f8b7d2b4c192 ("ftrace: fix building with SYSCTL=n but DYNAMIC_FTRACE=y") Acked-by: Steven Rostedt (Google) <[email protected]> Signed-off-by: Luis Chamberlain <[email protected]>
-rw-r--r--kernel/trace/ftrace.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index d9424fd9a183..1f89039f0feb 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -7873,6 +7873,8 @@ int unregister_ftrace_function(struct ftrace_ops *ops)
EXPORT_SYMBOL_GPL(unregister_ftrace_function);
#ifdef CONFIG_SYSCTL
+
+#ifdef CONFIG_DYNAMIC_FTRACE
static void ftrace_startup_sysctl(void)
{
int command;
@@ -7906,6 +7908,10 @@ static void ftrace_shutdown_sysctl(void)
ftrace_run_update_code(command);
}
}
+#else
+# define ftrace_startup_sysctl() do { } while (0)
+# define ftrace_shutdown_sysctl() do { } while (0)
+#endif /* CONFIG_DYNAMIC_FTRACE */
static bool is_permanent_ops_registered(void)
{