linux-kernel - Re: [PATCH 6.2 0000/1001] 6.2.3-rc1 review

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Date:   Tue, 7 Mar 2023 18:01:42 -0600
From:   Daniel Díaz <daniel.diaz@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org
Cc:     patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
        torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
        linux@...ck-us.net, shuah@...nel.org, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
        f.fainelli@...il.com, sudipm.mukherjee@...il.com,
        srw@...dewatkins.net, rwarsow@....de, pali@...nel.org,
        christophe.leroy@...roup.eu, mpe@...erman.id.au
Subject: Re: [PATCH 6.2 0000/1001] 6.2.3-rc1 review

Hello!

On 07/03/23 10:46, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.2.3 release.
> There are 1001 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Thu, 09 Mar 2023 16:57:34 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.2.3-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.2.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

We see a regression with PowerPC's ppc64e_defconfig, using GCC 8 and GCC 12:
-----8<-----
powerpc64le-linux-gnu-gcc: error: missing argument to '-mcpu='
powerpc64le-linux-gnu-gcc: error: missing argument to '-mcpu='
make[2]: *** [/builds/linux/arch/powerpc/boot/Makefile:237: arch/powerpc/boot/crt0.o] Error 1
make[2]: *** [/builds/linux/arch/powerpc/boot/Makefile:237: arch/powerpc/boot/crtsavres.o] Error 1
powerpc64le-linux-gnu-gcc: error: missing argument to '-mcpu='
make[2]: *** [/builds/linux/arch/powerpc/boot/Makefile:235: arch/powerpc/boot/cuboot.o] Error 1
[...]
make[2]: Target 'arch/powerpc/boot/zImage' not remade because of errors.
make[1]: *** [/builds/linux/arch/powerpc/Makefile:247: zImage] Error 2
make[1]: Target '__all' not remade because of errors.
make: *** [Makefile:242: __sub-make] Error 2
make: Target '__all' not remade because of errors.
----->8-----

Bisection points to "powerpc/boot: Don't always pass -mcpu=powerpc when building 32-bit uImage" (upstream ff7c76f66d8bad4e694c264c789249e1d3a8205d).

Reproducer:
   tuxmake \
     --runtime podman \
     --target-arch powerpc \
     --toolchain gcc-8 \
     --kconfig ppc64e_defconfig \
     config debugkernel dtbs kernel modules xipkernel

Greetings!

Daniel Díaz
daniel.diaz@...aro.org