Re: [PATCH 5.12 000/242] 5.12.18-rc1 review

[Greg Kroah-Hartman]

On Thu, Jul 15, 2021 at 04:49:16PM -0500, Daniel Díaz wrote:
> Hello!
> 
> On Thu, 15 Jul 2021 at 13:56, Greg Kroah-Hartman
> <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> > This is the start of the stable review cycle for the 5.12.18 release.
> > There are 242 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 Sat, 17 Jul 2021 18:21:07 +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/v5.x/stable-review/patch-5.12.18-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-5.12.y
> > and the diffstat can be found below.
> >
> > thanks,
> >
> > greg k-h
> 
> Build regressions have been found on this release candidate (and on 5.13-rc).
> 
> ## Regressions (compared to v5.12.17)
> * s390, build
>   - clang-10-allnoconfig
>   - clang-10-defconfig
>   - clang-10-tinyconfig
>   - clang-11-allnoconfig
>   - clang-11-defconfig
>   - clang-11-tinyconfig
>   - clang-12-allnoconfig
>   - clang-12-defconfig
>   - clang-12-tinyconfig
>   - gcc-8-allnoconfig
>   - gcc-8-defconfig
>   - gcc-8-tinyconfig
>   - gcc-9-allnoconfig
>   - gcc-9-defconfig
>   - gcc-9-tinyconfig
>   - gcc-10-allnoconfig
>   - gcc-10-defconfig
>   - gcc-10-tinyconfig
> 
> Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx>
> 
> [...]
> > Sven Schnelle <svens@xxxxxxxxxxxxx>
> >     s390/signal: switch to using vdso for sigreturn and syscall restart
> [...]
> 
> Our bisections pointed to this commit. Reverting it made the build pass again.

Will go drop this, thanks.

greg k-h