Re: [PATCH] powerpc/xmon: Exclude all of xmon/ from ftrace
From: Michael Ellerman <mpe@ellerman.id.au>
Date: 2017-08-08 10:46:20
"Naveen N. Rao" [off-list ref] writes:
quoted hunk ↗ jump to hunk
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile index 0b2f771593eb..5f95af64cb8f 100644 --- a/arch/powerpc/xmon/Makefile +++ b/arch/powerpc/xmon/Makefile@@ -7,6 +7,19 @@ UBSAN_SANITIZE := n ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC) +ifdef CONFIG_FUNCTION_TRACER +CFLAGS_REMOVE_xmon.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) +CFLAGS_REMOVE_nonstdio.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) +ifdef CONFIG_XMON_DISASSEMBLY +CFLAGS_REMOVE_ppc-dis.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) +CFLAGS_REMOVE_ppc-opc.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) +ifdef CONFIG_SPU_BASE +CFLAGS_REMOVE_spu-dis.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) +CFLAGS_REMOVE_spu-opc.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) +endif +endif +endif
Urk. We want to disable it for everything in the directory, so can you do something like: ORIG_CFLAGS := $(KBUILD_CFLAGS) KBUILD_CFLAGS = $(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS)) cheers