Buildresult: kbuild/powernv_defconfig/powerpc-gcc5 built on Sep 30 2022, 01:18

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Status:	OK
Date/Time:	Sep 30 2022, 01:18
Duration:	0:02:06.520322
Builder:	ka4
Revision:	zstd: Fixing mixed module-builtin objects (`a2818e1225b055e1aab14e47a4ce039338b0c216)`
Target:	kbuild/powernv_defconfig/powerpc-gcc5
Branch:	kbuild
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	powernv_defconfig (download)
Log:	Download original No warnings found in log. Full Log # git rev-parse -q --verify a2818e1225b055e1aab14e47a4ce039338b0c216^{commit} a2818e1225b055e1aab14e47a4ce039338b0c216 already have revision, skipping fetch # git checkout -q -f -B kisskb a2818e1225b055e1aab14e47a4ce039338b0c216 # git clean -qxdf # < git log -1 # commit a2818e1225b055e1aab14e47a4ce039338b0c216 # Author: Alexey Kardashevskiy <aik@ozlabs.ru> # Date: Thu Sep 29 12:08:23 2022 +1000 # # zstd: Fixing mixed module-builtin objects # # With CONFIG_ZSTD_COMPRESS=m and CONFIG_ZSTD_DECOMPRESS=y we end up in # a situation when files from lib/zstd/common/ are compiled once to be # linked later for ZSTD_DECOMPRESS (build-in) and ZSTD_COMPRESS (module) # even though CFLAGS are different for builtins and modules. # So far somehow this was not a problem but enabling LLVM LTO exposes # the problem as: # # ld.lld: error: linking module flags 'Code Model': IDs have conflicting values in 'lib/built-in.a(zstd_common.o at 5868)' and 'ld-temp.o' # # This particular conflict is caused by KBUILD_CFLAGS=-mcmodel=medium vs. # KBUILD_CFLAGS_MODULE=-mcmodel=large , modules use the large model on # POWERPC as explained at # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/powerpc/Makefile?h=v5.18-rc4#n127 # but the current use of common files is wrong anyway. # # This works around the issue by introducing a zstd_common module with # shared code. # # Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> # Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-gcc --version # < /opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux-ld --version # < git log --format=%s --max-count=1 a2818e1225b055e1aab14e47a4ce039338b0c216 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/kbuild_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- powernv_defconfig # < make -s -j 120 ARCH=powerpc O=/kisskb/build/kbuild_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 120 ARCH=powerpc O=/kisskb/build/kbuild_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig # make -s -j 120 ARCH=powerpc O=/kisskb/build/kbuild_powernv_defconfig_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- Completed OK # rm -rf /kisskb/build/kbuild_powernv_defconfig_powerpc-gcc5 # Build took: 0:02:06.520322

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