Re: [PATCH 6.6 000/150] 6.6.13-rc1 review

[Naresh Kamboju]

On Fri, 19 Jan 2024 at 00:52, Florian Fainelli <f.fainelli@xxxxxxxxx> wrote:
>
> On 1/18/24 02:47, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 6.6.13 release.
> > There are 150 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, 20 Jan 2024 10:42:49 +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-6.6.13-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
>
> Same as with 6.1:
>
> ARM and ARM64 builds worked fine and passed tests, however BMIPS_GENERIC
> fails to build with:

Following MIPS builds failed on 6.6.y and 6.1.y
but passed 6.7.y and Linux-next and mainline builds.

mips:

  * build/clang-17-defconfig
  * build/clang-nightly-defconfig
  * build/gcc-12-allmodconfig
  * build/gcc-12-cavium_octeon_defconfig
  * build/gcc-12-defconfig
  * build/gcc-12-malta_defconfig
  * build/gcc-8-allmodconfig
  * build/gcc-8-cavium_octeon_defconfig
  * build/gcc-8-defconfig
  * build/gcc-8-malta_defconfig

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


>
> arch/mips/kernel/smp.c: In function 'start_secondary':
> arch/mips/kernel/smp.c:340:2: error: implicit declaration of function
> 'rcutree_report_cpu_starting'; did you mean 'rcu_cpu_starting'?
> [-Werror=implicit-function-declaration]
>    rcutree_report_cpu_starting(cpu);
>    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>    rcu_cpu_starting
> cc1: all warnings being treated as errors
> host-make[5]: *** [scripts/Makefile.build:250: arch/mips/kernel/smp.o]
> Error 1
> host-make[4]: *** [scripts/Makefile.build:500: arch/mips/kernel] Error 2
> host-make[3]: *** [scripts/Makefile.build:500: arch/mips] Error 2
> host-make[3]: *** Waiting for unfinished jobs....

same here.

> which is caused by 1fa03a4622bb26a31279a453aa251154f11e6c70 ("mips/smp:
> Call rcutree_report_cpu_starting() earlier").
>
> It looks like rcutree_report_cpu_starting() has been introduced
> 448e9f34d91d1a4799fdb06a93c2c24b34b6fd9d ("rcu: Standardize explicit
> CPU-hotplug calls") which is in v6.7.
>
> For MIPS, it would like an adequate fix would be to
> 's/rcutree_report_cpu_starting/rcu_cpu_starting/' for the 6.1 and 6.6
> branches.
> --
> Florian

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