On Sat, Oct 29, 2016 at 07:03:30PM +0200, Sven Joachim wrote:
> I cannot reproduce that, FWIW. Also, arch/x86/entry/vdso/Makefile seems
> to explicitly filter out -mfentry from the compiler flags, but maybe I
> misunderstand something.
Compiler flags, yes; assembler flags, no. Perhaps adding
KBUILD_AFLAGS_32 := $(filter-out -mfentry,$(KBUILD_AFLAGS_32))
to arch/x86/entry/vdso/Makefile would fix the build as well. I have honestly
no idea which solution is better. :-)
> Could you please show the exact command that's failing with "make V=1"?
gcc -Wp,-MD,arch/x86/entry/vdso/vdso32/.note.o.d -nostdinc -isystem /usr/lib/gcc/i686-linux-gnu/6/include -I./arch/x86/include -I./arch/x86/include/generated/uapi -I./arch/x86/include/generated -I./include -I./arch/x86/include/uapi -I./include/uapi -I./include/generated/uapi -include ./include/linux/kconfig.h -D__KERNEL__ -D__ASSEMBLY__ -DCONFIG_X86_X32_ABI -DCONFIG_AS_CFI=1 -DCONFIG_AS_CFI_SIGNAL_FRAME=1 -DCONFIG_AS_CFI_SECTIONS=1 -DCONFIG_AS_FXSAVEQ=1 -DCONFIG_AS_SSSE3=1 -DCONFIG_AS_CRC32=1 -DCONFIG_AS_AVX=1 -DCONFIG_AS_AVX2=1 -DCONFIG_AS_SHA1_NI=1 -DCONFIG_AS_SHA256_NI=1 -Wa,-gdwarf-2 -mfentry -DCC_USING_FENTRY -DCC_HAVE_ASM_GOTO -DBUILD_VDSO -m32 -c -o arch/x86/entry/vdso/vdso32/note.o arch/x86/entry/vdso/vdso32/note.S
Is this file being built with your .config?
--
Tomáš Janoušek, a.k.a. Pivník, a.k.a. Liskni_si, http://work.lisk.in/
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