linux-kernel - Re: [PATCH 4.19 00/39] 4.19.278-rc1 review

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Date:   Thu, 16 Mar 2023 08:47:37 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Daniel Díaz <daniel.diaz@...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
Subject: Re: [PATCH 4.19 00/39] 4.19.278-rc1 review

On Wed, Mar 15, 2023 at 09:44:59AM -0600, Daniel Díaz wrote:
> Hello!
> 
> On 15/03/23 06:12, Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 4.19.278 release.
> > There are 39 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 Fri, 17 Mar 2023 11:57:10 +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/v4.x/stable-review/patch-4.19.278-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-4.19.y
> > and the diffstat can be found below.
> > 
> > thanks,
> > 
> > greg k-h
> 
> Lots and lots of failures, mostly Arm.
> 
> For Arm, Arm64, MIPS, with GCC-8, GCC-9, GCC-10, GCC-11, GCC-12, Clang-16, for some combinations with:
> * axm55xx_defconfig
> * davinci_all_defconfig
> * defconfig
> * defconfig-40bc7ee5
> * lkftconfig-kasan
> * multi_v5_defconfig
> * s5pv210_defconfig
> * sama5_defconfig
> 
> -----8<-----
> /builds/linux/kernel/cgroup/cgroup.c:2237:2: error: implicit declaration of function 'get_online_cpus' [-Werror,-Wimplicit-function-declaration]
>         get_online_cpus();
>         ^
> /builds/linux/kernel/cgroup/cgroup.c:2237:2: note: did you mean 'get_online_mems'?
> /builds/linux/include/linux/memory_hotplug.h:258:20: note: 'get_online_mems' declared here
> static inline void get_online_mems(void) {}
>                    ^
> /builds/linux/kernel/cgroup/cgroup.c:2248:2: error: implicit declaration of function 'put_online_cpus' [-Werror,-Wimplicit-function-declaration]
>         put_online_cpus();
>         ^
> /builds/linux/kernel/cgroup/cgroup.c:2248:2: note: did you mean 'put_online_mems'?
> /builds/linux/include/linux/memory_hotplug.h:259:20: note: 'put_online_mems' declared here
> static inline void put_online_mems(void) {}
>                    ^
> 2 errors generated.
> make[3]: *** [/builds/linux/scripts/Makefile.build:303: kernel/cgroup/cgroup.o] Error 1
> ----->8-----

This should now be resolved, I'll do a -rc2 with the fixes.

> For Arm64, i386 x86, with GCC-11, Perf has a new error:
> 
> -----8<-----
> In function 'ready',
>     inlined from 'sender' at bench/sched-messaging.c:90:2:
> bench/sched-messaging.c:76:13: error: 'dummy' is used uninitialized [-Werror=uninitialized]
>    76 |         if (write(ready_out, &dummy, 1) != 1)
>       |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
> In file included from bench/../perf-sys.h:5,
>                  from bench/../perf.h:18,
>                  from bench/sched-messaging.c:13:
> ----->8-----

That's odd as I don't see any perf patches for 4.19.

thanks,

greg k-h