Re: [PATCH 1/2] powerpc/64: Set default CPU in Kconfig

[Nick Desaulniers]

On Wed, Feb 1, 2023 at 3:41 AM Christophe Leroy
<christophe.leroy@xxxxxxxxxx> wrote:
>
>
>
> Le 01/02/2023 à 12:31, Naresh Kamboju a écrit :
> > 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 1
>
>
> On 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,


>
> >
> >
> > Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
> >
> > 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