Re: [PATCH 6.1 000/100] 6.1.74-rc1 review

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Thu, Jan 18, 2024 at 11:10:31AM -0800, Florian Fainelli wrote:
> +Stefan,
> 
> On 1/18/24 02:48, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 6.1.74 release.
> > There are 100 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-6.1.74-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-6.1.y
> > and the diffstat can be found below.
> > 
> > thanks,
> > 
> > greg k-h
> 
> ARM and ARM64 builds worked fine and passed tests, however BMIPS_GENERIC
> fails to build with:
> 
> 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....
> 
> which is caused by 7c20a4cc189eff36d5aeb586008a540d8024fbff ("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.
> 
> Stefan, do you agree?

The offending commit has been dropped from the queue, sorry, I didn't
push out a new -rc yet.

greg k-h