| Message ID | 20230516193549.544673-2-arnd@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | x86: address -Wmissing-prototype warnings | expand |
On Tue, 16 May 2023 21:35:30 +0200 Arnd Bergmann <arnd@kernel.org> wrote: > From: Arnd Bergmann <arnd@arndb.de> > > On 32-bit builds, the prepare_ftrace_return() function only has a global > definition, but no prototype before it, which causes a warning: > > arch/x86/kernel/ftrace.c:625:6: warning: no previous prototype for ‘prepare_ftrace_return’ [-Wmissing-prototypes] > 625 | void prepare_ftrace_return(unsigned long ip, unsigned long *parent, > > Move the prototype that is already needed for some configurations into > a header file where it can be seen unconditionally. > > Signed-off-by: Arnd Bergmann <arnd@arndb.de> > --- > arch/x86/include/asm/ftrace.h | 3 +++ > arch/x86/kernel/ftrace.c | 3 --- > 2 files changed, 3 insertions(+), 3 deletions(-) > > diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h > index 5061ac98ffa1..b8d4a07f9595 100644 > --- a/arch/x86/include/asm/ftrace.h > +++ b/arch/x86/include/asm/ftrace.h Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org> -- Steve
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index 5061ac98ffa1..b8d4a07f9595 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h @@ -106,6 +106,9 @@ struct dyn_arch_ftrace { #ifndef __ASSEMBLY__ +void prepare_ftrace_return(unsigned long ip, unsigned long *parent, + unsigned long frame_pointer); + #if defined(CONFIG_FUNCTION_TRACER) && defined(CONFIG_DYNAMIC_FTRACE) extern void set_ftrace_ops_ro(void); #else diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 5e7ead52cfdb..01e8f34daf22 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -525,9 +525,6 @@ static void *addr_from_call(void *ptr) return ptr + CALL_INSN_SIZE + call.disp; } -void prepare_ftrace_return(unsigned long ip, unsigned long *parent, - unsigned long frame_pointer); - /* * If the ops->trampoline was not allocated, then it probably * has a static trampoline func, or is the ftrace caller itself.