Re: [PATCH 1/2] powerpc/64: Set default CPU in Kconfig
From: Nick Desaulniers <hidden>
Date: 2023-02-01 17:30:28
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On Wed, Feb 1, 2023 at 3:41 AM Christophe Leroy [off-list ref] wrote:
Le 01/02/2023 à 12:31, Naresh Kamboju a écrit :quoted
Following build regression started from next-20230131. Regressions found on powerpc: build/clang-nightly-tqm8xx_defconfig build/clang-nightly-ppc64e_defconfig make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/build ARCH=powerpc CROSS_COMPILE=powerpc64le-linux-gnu- HOSTCC=clang CC=clang LLVM=1 LLVM_IAS=0 tqm8xx_defconfig make --silent --keep-going --jobs=8 O=/home/tuxbuild/.cache/tuxmake/builds/1/build ARCH=powerpc CROSS_COMPILE=powerpc64le-linux-gnu- HOSTCC=clang CC=clang LLVM=1 LLVM_IAS=0 error: unknown target CPU '860' note: valid target CPU values are: generic, 440, 450, 601, 602, 603, 603e, 603ev, 604, 604e, 620, 630, g3, 7400, g4, 7450, g4+, 750, 8548, 970, g5, a2, e500, e500mc, e5500, power3, pwr3, power4, pwr4, power5, pwr5, power5x, pwr5x, power6, pwr6, power6x, pwr6x, power7, pwr7, power8, pwr8, power9, pwr9, power10, pwr10, powerpc, ppc, ppc32, powerpc64, ppc64, powerpc64le, ppc64le, future make[2]: *** [/builds/linux/scripts/Makefile.build:114: scripts/mod/devicetable-offsets.s] Error 1 error: unknown target CPU '860' note: valid target CPU values are: generic, 440, 450, 601, 602, 603, 603e, 603ev, 604, 604e, 620, 630, g3, 7400, g4, 7450, g4+, 750, 8548, 970, g5, a2, e500, e500mc, e5500, power3, pwr3, power4, pwr4, power5, pwr5, power5x, pwr5x, power6, pwr6, power6x, pwr6x, power7, pwr7, power8, pwr8, power9, pwr9, power10, pwr10, powerpc, ppc, ppc32, powerpc64, ppc64, powerpc64le, ppc64le, future make[2]: *** [/builds/linux/scripts/Makefile.build:252: scripts/mod/empty.o] Error 1On GCC, the possible values are: ppc-linux-gcc: note : valid arguments to ‘-mcpu=’ are: 401 403 405 405fp 440 440fp 464 464fp 476 476fp 505 601 602 603 603e 604 604e 620 630 740 7400 7450 750 801 821 823 8540 8548 860 970 G3 G4 G5 a2 cell e300c2 e300c3 e500mc e500mc64 e5500 e6500 ec603e native power3 power4 power5 power5+ power6 power6x power7 power8 powerpc powerpc64 powerpc64le rs64 titan How do you tell CLANG that you are building for powerpc 8xx ?
+ Nemanjai, Qiongsi,
quoted
Reported-by: Linux Kernel Functional Testing <redacted> https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20230201/testrun/14479384/suite/build/test/clang-nightly-tqm8xx_defconfig/history/ The bisection pointed to this commit, 45f7091aac35 ("powerpc/64: Set default CPU in Kconfig") -- Linaro LKFT https://lkft.linaro.org
-- Thanks, ~Nick Desaulniers