linux-kernel - Re: [PATCH 5.15 000/370] 5.15.111-rc2 review

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Message-ID: <CAEUSe7_ZBW_hPUZYeKkZ6zuckeqYb+O46GdgGx0wE6T0=c5wZg@mail.gmail.com>
Date:   Wed, 10 May 2023 11:00:42 -0600
From:   Daniel Díaz <daniel.diaz@...aro.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.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,
        laoar.shao@...il.com
Subject: Re: [PATCH 5.15 000/370] 5.15.111-rc2 review

Hello!

On Wed, 10 May 2023 at 09:46, Daniel Díaz <daniel.diaz@...aro.org> wrote:
> Hello!
>
> On Wed, 10 May 2023 at 01:43, Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> > On Tue, May 09, 2023 at 09:12:33AM -0600, Daniel Díaz wrote:
> > > Hello!
> > >
> > > On 08/05/23 21:26, Greg Kroah-Hartman wrote:
> > > > This is the start of the stable review cycle for the 5.15.111 release.
> > > > There are 370 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, 11 May 2023 03:05:05 +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/v5.x/stable-review/patch-5.15.111-rc2.gz
> > > > or in the git tree and branch at:
> > > >     git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.15.y
> > > > and the diffstat can be found below.
> > > >
> > > > thanks,
> > > >
> > > > greg k-h
> > >
> > > New warnings are introduced for Arm, PowerPC, RISC-V:
> > >
> > >   /builds/linux/kernel/sched/debug.c: In function 'print_cfs_group_stats':
> > >   /builds/linux/kernel/sched/debug.c:465:41: warning: unused variable 'stats' [-Wunused-variable]
> > >                   struct sched_statistics *stats =  __schedstats_from_se(se);
> > >                                            ^~~~~
> >
> > Odd, and this isn't on other kernels too?
>
> Only on 5.15, not on the 6.x RC's. I'll share more info after my
> bisection is done.

Bisection leads to:

  sched: Make struct sched_statistics independent of fair sched class

Reverting makes the warning disappear.

Greetings!