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authorNicholas Piggin <npiggin@gmail.com>2018-05-30 22:19:22 +1000
committerMasahiro Yamada <yamada.masahiro@socionext.com>2018-06-11 09:16:29 +0900
commitabba759796f9b73eb24df9b734dd063839fc62e0 (patch)
treedf8e791111e511831654730fd68481d66dd61486 /arch/powerpc/Makefile
parent8373b7d9d174d577d93c6d4de46ae207f0b8d55b (diff)
downloadop-kernel-dev-abba759796f9b73eb24df9b734dd063839fc62e0.zip
op-kernel-dev-abba759796f9b73eb24df9b734dd063839fc62e0.tar.gz
powerpc/kbuild: move -mprofile-kernel check to Kconfig
This eliminates the workaround that requires disabling -mprofile-kernel by default in Kconfig. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Acked-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Diffstat (limited to 'arch/powerpc/Makefile')
-rw-r--r--arch/powerpc/Makefile13
1 files changed, 1 insertions, 12 deletions
diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index 9b52e42..bd06a3c 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -161,18 +161,7 @@ CFLAGS-$(CONFIG_GENERIC_CPU) += -mcpu=powerpc64
endif
ifdef CONFIG_MPROFILE_KERNEL
- ifeq ($(shell $(srctree)/arch/powerpc/tools/gcc-check-mprofile-kernel.sh $(CC) -I$(srctree)/include -D__KERNEL__),OK)
- CC_FLAGS_FTRACE := -pg -mprofile-kernel
- KBUILD_CPPFLAGS += -DCC_USING_MPROFILE_KERNEL
- else
- # If the user asked for mprofile-kernel but the toolchain doesn't
- # support it, emit a warning and deliberately break the build later
- # with mprofile-kernel-not-supported. We would prefer to make this an
- # error right here, but then the user would never be able to run
- # oldconfig to change their configuration.
- $(warning Compiler does not support mprofile-kernel, set CONFIG_DISABLE_MPROFILE_KERNEL)
- CC_FLAGS_FTRACE := -mprofile-kernel-not-supported
- endif
+ CC_FLAGS_FTRACE := -pg -mprofile-kernel
endif
CFLAGS-$(CONFIG_CELL_CPU) += $(call cc-option,-mcpu=cell)
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