Re: [PATCH 5.10 000/699] 5.10.261-rc1 review

[Florian Fainelli <f.fainelli@gmail.com>]

On 7/21/26 08:15, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.261 release.
> There are 699 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, 23 Jul 2026 15:23:00 +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-5.10.261-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-5.10.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h


perf fails to build with this error:

util/event.c: In function 'machine__resolve':
util/event.c:668:32: warning: implicit declaration of function 
'perf_env__get_cpu_topology'; did you mean 
'perf_env__read_cpu_topology_map'? [-Wimplicit-function-declaration]
   668 |                         topo = perf_env__get_cpu_topology(env, 
(struct perf_cpu){ al->cpu });
       |                                ^~~~~~~~~~~~~~~~~~~~~~~~~~
       |                                perf_env__read_cpu_topology_map
util/event.c:668:83: warning: excess elements in struct initializer
   668 |                         topo = perf_env__get_cpu_topology(env, 
(struct perf_cpu){ al->cpu });
       | 
                   ^~
util/event.c:668:83: note: (near initialization for '(anonymous)')
util/event.c:668:81: error: invalid use of undefined type 'struct perf_cpu'
   668 |                         topo = perf_env__get_cpu_topology(env, 
(struct perf_cpu){ al->cpu });
       | 
                 ^
make[6]: *** 
[/local/users/fainelli/buildroot/output/arm/build/linux-custom/tools/build/Makefile.build:97: 
/local/users/fainelli/buildroot/output/arm/build/linux-custom/tools/perf/util/event.o] 
Error 1
make[6]: *** Waiting for unfinished jobs....

which is due to commit 07511f3c23cdaf1dbb44802f026fcc476351dfe2 ("perf 
tools: Use perf_env__get_cpu_topology() in machine__resolve()"), it 
looks like we need to also backport those commits:

751835c57632006232bf30405cd7201dceb0b8e0 ("perf stat: Introduce 
perf_env__get_cpu_topology() to guard NULL env->cpu")

6d18804b963b78dcd53851f11e9080408b3d85c2 ("perf cpumap: Give CPUs their 
own type")

c760174401f605cf63314d3817069a40945f0e0b ("perf cpumap: Reduce cpu size 
from int to int16_t")
-- 
Florian