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/202204161203.6dSlgKJX-lkp@intel.com

Reported-by: kernel test robot <lkp@intel.com>
Fixes: f8b7d2b4c1 ("ftrace: fix building with SYSCTL=n but DYNAMIC_FTRACE=y")
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
This commit is contained in:
Luis Chamberlain 2022-04-21 11:38:43 -07:00
parent cb55f27ac9
commit 8fd7c2144d

View File

@ -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)
{