linux-kernel - Re: [PATCH 6.6 00/91] 6.6.52-rc1 review

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Message-ID: <2024091853-thickness-plexiglas-5e83@gregkh>
Date: Wed, 18 Sep 2024 08:17:07 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Naresh Kamboju <naresh.kamboju@...aro.org>
Cc: stable@...r.kernel.org, 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,
	conor@...nel.org, allen.lkml@...il.com, broonie@...nel.org,
	Vasily Gorbik <gor@...ux.ibm.com>,
	Christian Borntraeger <borntraeger@...ux.ibm.com>,
	Alexander Gordeev <agordeev@...ux.ibm.com>,
	Anders Roxell <anders.roxell@...aro.org>
Subject: Re: [PATCH 6.6 00/91] 6.6.52-rc1 review

On Tue, Sep 17, 2024 at 04:00:10PM +0530, Naresh Kamboju wrote:
> On Mon, 16 Sept 2024 at 17:38, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> >
> > This is the start of the stable review cycle for the 6.6.52 release.
> > There are 91 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 Wed, 18 Sep 2024 11:42:05 +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-6.6.52-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-6.6.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
> 
> 
> The s390 builds failed on the Linux stable-rc linux-6.6.y and linux-6.10.y due
> to following build warnings / errors with gcc-13 and clang-19 with defconfig.
> 
> * s390, build
>   - clang-19-allnoconfig
>   - clang-19-defconfig
>   - clang-19-tinyconfig
>   - clang-nightly-allnoconfig
>   - clang-nightly-defconfig
>   - clang-nightly-tinyconfig
>   - gcc-13-allmodconfig
>   - gcc-13-allnoconfig
>   - gcc-13-defconfig
>   - gcc-13-tinyconfig
>   - gcc-8-allnoconfig
>   - gcc-8-defconfig-fe40093d
>   - gcc-8-tinyconfig
> 
> 
> First seen on v6.6.51-92-gfd49ddc1e5f8
>   Good: v6.6.51
>   BAD:  v6.6.51-92-gfd49ddc1e5f8
> 
> Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>
> 
> build log:
> --------
> arch/s390/kernel/setup.c: In function 'reserve_lowcore':
> arch/s390/kernel/setup.c:748:31: error: implicit declaration of
> function 'get_lowcore'; did you mean 'setup_lowcore'?
> [-Werror=implicit-function-declaration]
>   748 |         void *lowcore_start = get_lowcore();
>       |                               ^~~~~~~~~~~
>       |                               setup_lowcore
> arch/s390/kernel/setup.c:748:31: warning: initialization of 'void *'
> from 'int' makes pointer from integer without a cast
> [-Wint-conversion]
> arch/s390/kernel/setup.c:752:21: error: '__identity_base' undeclared
> (first use in this function)
>   752 |         if ((void *)__identity_base < lowcore_end) {
>       |                     ^~~~~~~~~~~~~~~
> arch/s390/kernel/setup.c:752:21: note: each undeclared identifier is
> reported only once for each function it appears in
> In file included from include/linux/bits.h:21,
>                  from arch/s390/include/asm/ptrace.h:10,
>                  from arch/s390/include/asm/lowcore.h:13,
>                  from arch/s390/include/asm/current.h:13,
>                  from include/linux/sched.h:12,
>                  from arch/s390/kernel/setup.c:21:
> include/linux/minmax.h:31:9: error: first argument to
> '__builtin_choose_expr' not a constant
>    31 |
> __builtin_choose_expr(__is_constexpr(is_signed_type(typeof(x))),
>  \
>       |         ^~~~~~~~~~~~~~~~~~~~~

Offending commit now removed from 6.6.y and 6.10.y, thanks!

greg k-h