# git rev-parse -q --verify bee08a9e6ab03caf14481d97b35a258400ffab8f^{commit} bee08a9e6ab03caf14481d97b35a258400ffab8f already have revision, skipping fetch # git checkout -q -f -B kisskb bee08a9e6ab03caf14481d97b35a258400ffab8f # git clean -qxdf # < git log -1 # commit bee08a9e6ab03caf14481d97b35a258400ffab8f # Author: Nathan Chancellor # Date: Wed Oct 9 12:26:09 2024 -0700 # # powerpc: Adjust adding stack protector flags to KBUILD_CLAGS for clang # # After fixing the HAVE_STACKPROTECTER checks for clang's in-progress # per-task stack protector support [1], the build fails during prepare0 # because '-mstack-protector-guard-offset' has not been added to # KBUILD_CFLAGS yet but the other '-mstack-protector-guard' flags have. # # clang: error: '-mstack-protector-guard=tls' is used without '-mstack-protector-guard-offset', and there is no default # clang: error: '-mstack-protector-guard=tls' is used without '-mstack-protector-guard-offset', and there is no default # make[4]: *** [scripts/Makefile.build:229: scripts/mod/empty.o] Error 1 # make[4]: *** [scripts/Makefile.build:102: scripts/mod/devicetable-offsets.s] Error 1 # # Mirror other architectures and add all '-mstack-protector-guard' flags # to KBUILD_CFLAGS atomically during stack_protector_prepare, which # resolves the issue and allows clang's implementation to fully work with # the kernel. # # Cc: stable@vger.kernel.org # 6.1+ # Link: https://github.com/llvm/llvm-project/pull/110928 [1] # Reviewed-by: Keith Packard # Tested-by: Keith Packard # Signed-off-by: Nathan Chancellor # Signed-off-by: Michael Ellerman # Link: https://patch.msgid.link/20241009-powerpc-fix-stackprotector-test-clang-v2-2-12fb86b31857@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 bee08a9e6ab03caf14481d97b35a258400ffab8f # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ppc64e_defconfig # Added to kconfig CONFIG_KEXEC=y # < make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:3238:warning: override: reassigning to symbol KEXEC # make -s -j 24 ARCH=powerpc O=/kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- Completed OK # rm -rf /kisskb/build/powerpc-next_ppc64e_defconfig+KEXEC_powerpc-gcc5 # Build took: 0:03:27.689850