Commit 487467e7 authored Sep 17, 2018 by Joel Stanley Committed by Greg Kroah-Hartman Jan 13, 2019

ftrace: Build with CPPFLAGS to get -Qunused-arguments



When building to record the mcount locations the kernel uses
KBUILD_CFLAGS but not KBUILD_CPPFLAGS. This means it lacks
-Qunused-arguments when building with clang, resulting in a lot of
noisy warnings.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[nc: Fix conflicts due to lack of 87a32e624037 and d503ac531a52]
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 4df445a7

scripts/Makefile.build

+1 −1

Original line number	Diff line number	Diff line
		@@ -242,7 +242,7 @@ else
		sub_cmd_record_mcount = set -e ; perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \
		"$(if $(CONFIG_CPU_BIG_ENDIAN),big,little)" \
		"$(if $(CONFIG_64BIT),64,32)" \
		"$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CFLAGS)" \
		"$(OBJDUMP)" "$(OBJCOPY)" "$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS)" \
		"$(LD)" "$(NM)" "$(RM)" "$(MV)" \
		"$(if $(part-of-module),1,0)" "$(@)";
		recordmcount_source := $(srctree)/scripts/recordmcount.pl