This is a note to let you know that I've just added the patch titled parisc/ftrace: add missing CONFIG_DYNAMIC_FTRACE check to the 6.7-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: parisc-ftrace-add-missing-config_dynamic_ftrace-chec.patch and it can be found in the queue-6.7 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 811dffcd91648d6228dafe93e4c23685d0f7f344 Author: Max Kellermann <max.kellermann@xxxxxxxxx> Date: Sun Feb 11 23:43:14 2024 +0100 parisc/ftrace: add missing CONFIG_DYNAMIC_FTRACE check [ Upstream commit 250f5402e636a5cec9e0e95df252c3d54307210f ] Fixes a bug revealed by -Wmissing-prototypes when CONFIG_FUNCTION_GRAPH_TRACER is enabled but not CONFIG_DYNAMIC_FTRACE: arch/parisc/kernel/ftrace.c:82:5: error: no previous prototype for 'ftrace_enable_ftrace_graph_caller' [-Werror=missing-prototypes] 82 | int ftrace_enable_ftrace_graph_caller(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ arch/parisc/kernel/ftrace.c:88:5: error: no previous prototype for 'ftrace_disable_ftrace_graph_caller' [-Werror=missing-prototypes] 88 | int ftrace_disable_ftrace_graph_caller(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx> Signed-off-by: Helge Deller <deller@xxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/arch/parisc/kernel/ftrace.c b/arch/parisc/kernel/ftrace.c index d1defb9ede70c..621a4b386ae4f 100644 --- a/arch/parisc/kernel/ftrace.c +++ b/arch/parisc/kernel/ftrace.c @@ -78,7 +78,7 @@ asmlinkage void notrace __hot ftrace_function_trampoline(unsigned long parent, #endif } -#ifdef CONFIG_FUNCTION_GRAPH_TRACER +#if defined(CONFIG_DYNAMIC_FTRACE) && defined(CONFIG_FUNCTION_GRAPH_TRACER) int ftrace_enable_ftrace_graph_caller(void) { static_key_enable(&ftrace_graph_enable.key);