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powerpc: consolidate -mno-sched-epilog into FTRACE flags

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Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Nicholas Piggin 2018-09-14 15:08:53 +10:00 • committed by Michael Ellerman
parent f2910f0e68
commit 2a056f58fd
5 changed files with 13 additions and 13 deletions
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12
arch/powerpc/Makefile
View file

@ -160,8 +160,13 @@ else
CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64 CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64
endif endif
ifdef CONFIG_FUNCTION_TRACER
CC_FLAGS_FTRACE := -pg
ifdef CONFIG_MPROFILE_KERNEL 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 endif
CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU)) CFLAGS-$(CONFIG_TARGET_CPU_BOOL) += $(call cc-option,-mcpu=$(CONFIG_TARGET_CPU))
@ -229,11 +234,6 @@ ifdef CONFIG_6xx
KBUILD_CFLAGS += -mcpu=powerpc KBUILD_CFLAGS += -mcpu=powerpc
endif 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_4xx) += -Wa,-m405
cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec) cpu-as-$(CONFIG_ALTIVEC) += $(call as-option,-Wa$(comma)-maltivec)
cpu-as-$(CONFIG_E200) += -Wa,-me200 cpu-as-$(CONFIG_E200) += -Wa,-me200

8
arch/powerpc/kernel/Makefile
View file

@ -22,10 +22,10 @@ CFLAGS_prom.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
ifdef CONFIG_FUNCTION_TRACER ifdef CONFIG_FUNCTION_TRACER
# Do not trace early boot code # Do not trace early boot code
CFLAGS_REMOVE_cputable.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_cputable.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_prom_init.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_prom_init.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_btext.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_btext.o = $(CC_FLAGS_FTRACE)
CFLAGS_REMOVE_prom.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_prom.o = $(CC_FLAGS_FTRACE)
endif endif
obj-y := cputable.o ptrace.o syscalls.o \ obj-y := cputable.o ptrace.o syscalls.o \

2
arch/powerpc/kernel/trace/Makefile
View file

@ -7,7 +7,7 @@ subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror
ifdef CONFIG_FUNCTION_TRACER ifdef CONFIG_FUNCTION_TRACER
# do not trace tracer code # do not trace tracer code
CFLAGS_REMOVE_ftrace.o = -mno-sched-epilog $(CC_FLAGS_FTRACE) CFLAGS_REMOVE_ftrace.o = $(CC_FLAGS_FTRACE)
endif endif
obj32-$(CONFIG_FUNCTION_TRACER) += ftrace_32.o obj32-$(CONFIG_FUNCTION_TRACER) += ftrace_32.o

2
arch/powerpc/platforms/powermac/Makefile
View file

@ -3,7 +3,7 @@ CFLAGS_bootx_init.o += -fPIC
ifdef CONFIG_FUNCTION_TRACER ifdef CONFIG_FUNCTION_TRACER
# Do not trace early boot code # 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 endif
obj-y += pic.o setup.o time.o feature.o pci.o \ obj-y += pic.o setup.o time.o feature.o pci.o \

2
arch/powerpc/xmon/Makefile
View file

@ -8,7 +8,7 @@ UBSAN_SANITIZE := n
# Disable ftrace for the entire directory # Disable ftrace for the entire directory
ORIG_CFLAGS := $(KBUILD_CFLAGS) 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) := $(NO_MINIMAL_TOC) ccflags-$(CONFIG_PPC64) := $(NO_MINIMAL_TOC)