Buildresult: powerpc-next/pseries_le_defconfig+NO_NUMA/powerpc-gcc5 built on Nov 3 2020, 03:08

kisskb

Revisions | Branches | Compilers | Configs | Build Results | Build Failures |

Status:	Failed
Date/Time:	Nov 3 2020, 03:08
Duration:	0:01:37.950370
Builder:	ka4
Revision:	powerpc: Avoid broken GCC __attribute__((optimize)) (`2d83b0f30c1483a556c8aa1f7d891006fffcd5e0)`
Target:	powerpc-next/pseries_le_defconfig+NO_NUMA/powerpc-gcc5
Branch:	powerpc-next
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	pseries_le_defconfig+NO_NUMA (download)
Log:	Download original Possible errors hotplug-memory.c:(.text+0x5e0): undefined reference to `of_drconf_to_nid_single' make[1]: * [Makefile:1164: vmlinux] Error 1 make: * [Makefile:185: __sub-make] Error 2 No warnings found in log. Full Log # git rev-parse -q --verify 2d83b0f30c1483a556c8aa1f7d891006fffcd5e0^{commit} 2d83b0f30c1483a556c8aa1f7d891006fffcd5e0 already have revision, skipping fetch # git checkout -q -f -B kisskb 2d83b0f30c1483a556c8aa1f7d891006fffcd5e0 # git clean -qxdf # < git log -1 # commit 2d83b0f30c1483a556c8aa1f7d891006fffcd5e0 # Author: Ard Biesheuvel <ardb@kernel.org> # Date: Wed Oct 28 09:04:33 2020 +0100 # # powerpc: Avoid broken GCC __attribute__((optimize)) # # Commit 7053f80d9696 ("powerpc/64: Prevent stack protection in early # boot") introduced a couple of uses of __attribute__((optimize)) with # function scope, to disable the stack protector in some early boot # code. # # Unfortunately, and this is documented in the GCC man pages [0], # overriding function attributes for optimization is broken, and is only # supported for debug scenarios, not for production: the problem appears # to be that setting GCC -f flags using this method will cause it to # forget about some or all other optimization settings that have been # applied. # # So the only safe way to disable the stack protector is to disable it # for the entire source file. # # [0] https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html # # Fixes: 7053f80d9696 ("powerpc/64: Prevent stack protection in early boot") # Signed-off-by: Ard Biesheuvel <ardb@kernel.org> # [mpe: Drop one remaining use of __nostackprotector, reported by snowpatch] # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://lore.kernel.org/r/20201028080433.26799-1-ardb@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 2d83b0f30c1483a556c8aa1f7d891006fffcd5e0 # < make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_pseries_le_defconfig+NO_NUMA_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- pseries_le_defconfig # Added to kconfig CONFIG_NUMA=n # yes \n \| make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_pseries_le_defconfig+NO_NUMA_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- oldconfig yes: standard output: Broken pipe # make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_pseries_le_defconfig+NO_NUMA_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- arch/powerpc/platforms/pseries/hotplug-memory.o: In function `dlpar_add_lmb': hotplug-memory.c:(.text+0x5e0): undefined reference to `of_drconf_to_nid_single' make[1]: * [/kisskb/src/Makefile:1164: vmlinux] Error 1 make: * [Makefile:185: __sub-make] Error 2 Command 'make -s -j 120 ARCH=powerpc O=/kisskb/build/powerpc-next_pseries_le_defconfig+NO_NUMA_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- ' returned non-zero exit status 2 # rm -rf /kisskb/build/powerpc-next_pseries_le_defconfig+NO_NUMA_powerpc-gcc5 # Build took: 0:01:37.950370

© Michael Ellerman 2006-2018.