Extern or forward variable declaration arch/arm/kernel/ftrace.c, line 199 [usage...] arch/arm64/include/asm/ftrace.h, line 40 [usage...] arch/nds32/kernel/ftrace.c, line 255 [usage...] Local variable arch/mips/kernel/mcount.S, line 105 [usage...] arch/powerpc/kernel/trace/ftrace_32.S, line 38 [usage...] arch/powerpc/kernel/trace/ftrace_64_mprofile.S, line 134 [usage...] arch/powerpc/kernel/trace/ftrace_64_pg.S, line 31 [usage...] arch/riscv/kernel/mcount-dyn.S, line 60 [usage...] arch/sh/lib/mcount.S, line 155 [usage...] arch/sparc/lib/mcount.S, line 95 [usage...] arch/x86/kernel/ftrace_32.S, line 83 [usage...] Function prototype or declaration arch/csky/include/asm/ftrace.h, line 19 [usage...] arch/mips/kernel/ftrace.c, line 245 [usage...] arch/powerpc/kernel/trace/ftrace.c, line 914 [usage...] arch/riscv/kernel/ftrace.c, line 150 [usage...] arch/sh/kernel/ftrace.c, line 264 [usage...] arch/sparc/kernel/ftrace.c, line 95 [usage...] arch/x86/kernel/ftrace.c, line 982 [usage...]