Buildresult: powerpc-next/corenet64_smp_defconfig+KVM/powerpc-gcc5 built on Sep 18, 06:25

kisskb

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Status:	OK
Date/Time:	Sep 18, 06:25
Duration:	0:01:26.984085
Builder:	ka4
Revision:	powerpc/atomic: Use YZ constraints for DS-form instructions (`39190ac7cff1fd15135fa8e658030d9646fdb5f2)`
Target:	powerpc-next/corenet64_smp_defconfig+KVM/powerpc-gcc5
Branch:	powerpc-next
Compiler:	powerpc-gcc5 (powerpc64-linux-gcc (GCC) 5.5.0 / GNU ld (GNU Binutils) 2.29.1.20170915)
Config:	corenet64_smp_defconfig+KVM (download)
Log:	Download original Possible warnings (1) .config:4643:warning: override: reassigning to symbol VIRTUALIZATION Full Log # git rev-parse -q --verify 39190ac7cff1fd15135fa8e658030d9646fdb5f2^{commit} 39190ac7cff1fd15135fa8e658030d9646fdb5f2 already have revision, skipping fetch # git checkout -q -f -B kisskb 39190ac7cff1fd15135fa8e658030d9646fdb5f2 # git clean -qxdf # < git log -1 # commit 39190ac7cff1fd15135fa8e658030d9646fdb5f2 # Author: Michael Ellerman <mpe@ellerman.id.au> # Date: Mon Sep 16 22:05:10 2024 +1000 # # powerpc/atomic: Use YZ constraints for DS-form instructions # # The 'ld' and 'std' instructions require a 4-byte aligned displacement # because they are DS-form instructions. But the "m" asm constraint # doesn't enforce that. # # That can lead to build errors if the compiler chooses a non-aligned # displacement, as seen with GCC 14: # # /tmp/ccuSzwiR.s: Assembler messages: # /tmp/ccuSzwiR.s:2579: Error: operand out of domain (39 is not a multiple of 4) # make[5]: *** [scripts/Makefile.build:229: net/core/page_pool.o] Error 1 # # Dumping the generated assembler shows: # # ld 8,39(8) # MEM[(const struct atomic64_t *)_29].counter, t # # Use the YZ constraints to tell the compiler either to generate a DS-form # displacement, or use an X-form instruction, either of which prevents the # build error. # # See commit 2d43cc701b96 ("powerpc/uaccess: Fix build errors seen with # GCC 13/14") for more details on the constraint letters. # # Fixes: 9f0cbea0d8cc ("[POWERPC] Implement atomic{, 64}_{read, write}() without volatile") # Cc: stable@vger.kernel.org # v2.6.24+ # Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> # Closes: https://lore.kernel.org/all/20240913125302.0a06b4c7@canb.auug.org.au # Tested-by: Mina Almasry <almasrymina@google.com> # Reviewed-by: Segher Boessenkool <segher@kernel.crashing.org> # Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> # Link: https://msgid.link/20240916120510.2017749-1-mpe@ellerman.id.au # < /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 39190ac7cff1fd15135fa8e658030d9646fdb5f2 # make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig+KVM_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- corenet64_smp_defconfig Using /kisskb/src/arch/powerpc/configs/corenet_base.config as base Merging /kisskb/src/arch/powerpc/configs/85xx-64bit.config Merging /kisskb/src/arch/powerpc/configs/85xx-smp.config Merging /kisskb/src/arch/powerpc/configs/altivec.config Merging /kisskb/src/arch/powerpc/configs/85xx-hw.config Merging /kisskb/src/arch/powerpc/configs/fsl-emb-nonhw.config Merging /kisskb/src/arch/powerpc/configs/dpaa.config # # merged configuration written to .config (needs make) # # Added to kconfig CONFIG_KVM_E500MC=y # Added to kconfig CONFIG_VIRTUALIZATION=y # Added to kconfig CONFIG_KVM_MPIC=y # < make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig+KVM_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- help # make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig+KVM_powerpc-gcc5 CROSS_COMPILE=/opt/cross/kisskb/korg/gcc-5.5.0-nolibc/powerpc64-linux/bin/powerpc64-linux- olddefconfig .config:4643:warning: override: reassigning to symbol VIRTUALIZATION # make -s -j 40 ARCH=powerpc O=/kisskb/build/powerpc-next_corenet64_smp_defconfig+KVM_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_corenet64_smp_defconfig+KVM_powerpc-gcc5 # Build took: 0:01:26.984085

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