On Tue, 16 May 2023 21:35:30 +0200 Arnd Bergmann <arnd@xxxxxxxxxx> wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > 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@xxxxxxxx> > --- > 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@xxxxxxxxxxx> -- Steve
