From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf1-x442.google.com (mail-pf1-x442.google.com [IPv6:2607:f8b0:4864:20::442]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 42BNps2cfJzF3V0 for ; Fri, 14 Sep 2018 15:09:09 +1000 (AEST) Received: by mail-pf1-x442.google.com with SMTP id k19-v6so3731528pfi.1 for ; Thu, 13 Sep 2018 22:09:09 -0700 (PDT) From: Nicholas Piggin To: Joel Stanley Cc: Nicholas Piggin , linuxppc-dev@lists.ozlabs.org Subject: [PATCH 2/3] powerpc: consolidate -mno-sched-epilog into FTRACE flags Date: Fri, 14 Sep 2018 15:08:53 +1000 Message-Id: <20180914050854.6214-3-npiggin@gmail.com> In-Reply-To: <20180914050854.6214-1-npiggin@gmail.com> References: <20180914050854.6214-1-npiggin@gmail.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Signed-off-by: Nicholas Piggin --- arch/powerpc/Makefile | 12 ++++++------ arch/powerpc/kernel/Makefile | 8 ++++---- arch/powerpc/kernel/trace/Makefile | 2 +- arch/powerpc/platforms/powermac/Makefile | 2 +- arch/powerpc/xmon/Makefile | 2 +- 5 files changed, 13 insertions(+), 13 deletions(-) diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 2ecd0976914a..be47cf8a0798 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -160,8 +160,13 @@ else CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 endif +ifdef CONFIG_FUNCTION_TRACER +CC_FLAGS_FTRACE := -pg ifdef CONFIG_MPROFILE_KERNEL - CC_FLAGS_FTRACE := -pg -mprofile-kernel +CC_FLAGS_FTRACE += -mprofile-kernel +endif +# Work around a gcc code-gen bug with -fno-omit-frame-pointer. +CC_FLAGS_FTRACE += -mno-sched-epilog endif CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU)) @@ -229,11 +234,6 @@ ifdef CONFIG_6xx KBUILD_CFLAGS += -mcpu=powerpc endif -# Work around a gcc code-gen bug with -fno-omit-frame-pointer. -ifdef CONFIG_FUNCTION_TRACER -KBUILD_CFLAGS += -mno-sched-epilog -endif - cpu-as-$(CONFIG_4xx) += -Wa,-m405 cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) cpu-as-$(CONFIG_E200) += -Wa,-me200 diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 3b66f2c19c84..1e64cfe22a83 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -22,10 +22,10 @@ CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN) ifdef CONFIG_FUNCTION_TRACER # Do not trace early boot code -CFLAGS_REMOVE_cputable.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) -CFLAGS_REMOVE_prom_init.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) -CFLAGS_REMOVE_btext.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) -CFLAGS_REMOVE_prom.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) +CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE) +CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE) +CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE) +CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE) endif obj-y := cputable.o ptrace.o syscalls.o \ diff --git a/arch/powerpc/kernel/trace/Makefile b/arch/powerpc/kernel/trace/Makefile index d22d8bafb643..d868ba42032f 100644 --- a/arch/powerpc/kernel/trace/Makefile +++ b/arch/powerpc/kernel/trace/Makefile @@ -7,7 +7,7 @@ subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror ifdef CONFIG_FUNCTION_TRACER # do not trace tracer code -CFLAGS_REMOVE_ftrace.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) +CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE) endif obj32-$(CONFIG_FUNCTION_TRACER) += ftrace_32.o diff --git a/arch/powerpc/platforms/powermac/Makefile b/arch/powerpc/platforms/powermac/Makefile index f2839eed0f89..561a67d65e4d 100644 --- a/arch/powerpc/platforms/powermac/Makefile +++ b/arch/powerpc/platforms/powermac/Makefile @@ -3,7 +3,7 @@ CFLAGS_bootx_init.o += -fPIC ifdef CONFIG_FUNCTION_TRACER # Do not trace early boot code -CFLAGS_REMOVE_bootx_init.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) +CFLAGS_REMOVE_bootx_init.o = $(CC_FLAGS_FTRACE) endif obj-y += pic.o setup.o time.o feature.o pci.o \ diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile index 1bc3abb237cd..93cc1f1b8b61 100644 --- a/arch/powerpc/xmon/Makefile +++ b/arch/powerpc/xmon/Makefile @@ -8,7 +8,7 @@ UBSAN_SANITIZE := n # Disable ftrace for the entire directory ORIG_CFLAGS := $(KBUILD_CFLAGS) -KBUILD_CFLAGS = $(subst -mno-sched-epilog,,$(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS))) +KBUILD_CFLAGS = $(subst $(CC_FLAGS_FTRACE),,$(ORIG_CFLAGS)) ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC) -- 2.18.0