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Groups > linux.kernel > #1511868
| From | Tomas Janousek <tomi@nomi.cz> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH] kbuild: add -fno-PIE |
| Date | 2016-10-29 21:30 +0200 |
| Message-ID | <sxHuh-2gb-1@gated-at.bofh.it> (permalink) |
| References | (4 earlier) <svI1s-4up-13@gated-at.bofh.it> <svIb7-4yd-7@gated-at.bofh.it> <svRo6-2jl-33@gated-at.bofh.it> <sxyU2-4R3-3@gated-at.bofh.it> <sxFiN-VC-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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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Re: [RFC PATCH] kbuild: add -fno-PIE Tomas Janousek <tomi@nomi.cz> - 2016-10-29 12:20 +0200
Re: [RFC PATCH] kbuild: add -fno-PIE Sven Joachim <svenjoac@gmx.de> - 2016-10-29 19:10 +0200
Re: [RFC PATCH] kbuild: add -fno-PIE Tomas Janousek <tomi@nomi.cz> - 2016-10-29 21:30 +0200
Re: [RFC PATCH] kbuild: add -fno-PIE Sven Joachim <svenjoac@gmx.de> - 2016-10-29 23:30 +0200
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