Most architectures have ftrace related stuff in arch/*/kernel/ftrace.c but powerpc has it spread in multiple files located in arch/powerpc/kernel/trace/ In several architectures, there are also additional files containing 'ftrace' as part of the name but with some prefix or suffix.
Use wildcards to enlarge coverage. With arch/*/*/*/*ftrace*: arch/alpha/include/asm/ftrace.h arch/arm64/include/asm/ftrace.h arch/arm/include/asm/ftrace.h arch/csky/include/asm/ftrace.h arch/csky/kernel/probes/ftrace.c arch/ia64/include/asm/ftrace.h arch/m68k/include/asm/ftrace.h arch/microblaze/include/asm/ftrace.h arch/mips/include/asm/ftrace.h arch/nds32/include/asm/ftrace.h arch/parisc/include/asm/ftrace.h arch/powerpc/include/asm/ftrace.h arch/powerpc/kernel/trace/ftrace_64_pg.S arch/powerpc/kernel/trace/ftrace.c arch/powerpc/kernel/trace/ftrace_low.S arch/powerpc/kernel/trace/ftrace_mprofile.S arch/riscv/include/asm/ftrace.h arch/riscv/kernel/probes/ftrace.c arch/s390/include/asm/ftrace.h arch/s390/include/asm/ftrace.lds.h arch/sh/include/asm/ftrace.h arch/sparc/include/asm/ftrace.h arch/x86/include/asm/ftrace.h arch/x86/kernel/kprobes/ftrace.c arch/xtensa/include/asm/ftrace.h With arch/*/*/*ftrace*: arch/arm64/kernel/entry-ftrace.S arch/arm64/kernel/ftrace.c arch/arm/kernel/entry-ftrace.S arch/arm/kernel/ftrace.c arch/csky/kernel/ftrace.c arch/ia64/kernel/ftrace.c arch/microblaze/kernel/ftrace.c arch/mips/kernel/ftrace.c arch/nds32/kernel/ftrace.c arch/parisc/kernel/ftrace.c arch/powerpc/kernel/kprobes-ftrace.c arch/riscv/kernel/ftrace.c arch/s390/kernel/ftrace.c arch/s390/kernel/ftrace.h arch/sh/kernel/ftrace.c arch/sparc/kernel/ftrace.c arch/x86/kernel/ftrace_32.S arch/x86/kernel/ftrace_64.S arch/x86/kernel/ftrace.c Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu> --- MAINTAINERS | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index e127c2fb08a7..e03c471fcd73 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -19590,8 +19590,8 @@ M: Ingo Molnar <mi...@redhat.com> S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace.git F: Documentation/trace/ftrace.rst -F: arch/*/*/*/ftrace.h -F: arch/*/kernel/ftrace.c +F: arch/*/*/*/*ftrace* +F: arch/*/*/*ftrace* F: fs/tracefs/ F: include/*/ftrace.h F: include/linux/trace*.h -- 2.35.1