Re: [PATCH 6.1 0000/1887] 6.1.191-rc1 review

[Florian Fainelli]

On 10/28/26 09:34, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.1.191 release.
> There are 1887 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, 30 Oct 2026 17:02:34 +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-6.1.191-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

The ARM 32-bit kernel fails to build with:

In file included from arch/arm/probes/uprobes/core.c:9:
./include/linux/highmem.h: In function 'memcpy_from_folio':
./include/linux/highmem.h:427:21: error: implicit declaration of 
function 'folio_test_highmem'; did you mean 'folio_test_hugetlb'? 
[-Werror=implicit-function-declaration]
  427 |                 if (folio_test_highmem(folio) &&
      |                     ^~~~~~~~~~~~~~~~~~
      |                     folio_test_hugetlb
cc1: some warnings being treated as errors
host-make[6]: *** [scripts/Makefile.build:250: 
arch/arm/probes/uprobes/core.o] Error 1
host-make[5]: *** [scripts/Makefile.build:503: arch/arm/probes/uprobes] 
Error 2
host-make[5]: *** Waiting for unfinished jobs....
  AS      arch/arm/lib/csumpartial.o
  CC      lib/math/lcm.o
  CC      drivers/video/console/dummycon.o
  CC      sound/core/control.o
host-make[4]: *** [scripts/Makefile.build:503: arch/arm/probes] Error 2
host-make[4]: *** Waiting for unfinished jobs...

this is due to 341d4e6294d9 ("highmem: add memcpy_to_folio() and 
memcpy_from_folio()"). We would need to also back port 00cdf76012ab 
("("mm: add memcpy_from_file_folio()")
--
Florian