Re: [PATCH 5.10 00/16] 5.10.78-rc1 review

["Daniel Díaz" <daniel.diaz@linaro.org>]

Hello!

On 11/4/21 8:12 AM, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.10.78 release.
> There are 16 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, 06 Nov 2021 14:11:51 +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-5.10.78-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

Regressions detected.

Build failures on all architectures and all toolchains (GCC 8, 9, 10, 11; Clang 10, 11, 12, 13, nightly):
- arc
- arm (32-bits)
- arm (64-bits)
- i386
- mips
- parisc
- ppc
- riscv
- s390
- sh
- sparc
- x86

Failures look like this:

   In file included from /builds/linux/include/linux/kernel.h:11,
                    from /builds/linux/include/linux/list.h:9,
                    from /builds/linux/include/linux/smp.h:12,
                    from /builds/linux/include/linux/kernel_stat.h:5,
                    from /builds/linux/mm/memory.c:42:
   /builds/linux/mm/memory.c: In function 'finish_fault':
   /builds/linux/mm/memory.c:3929:15: error: implicit declaration of function 'PageHasHWPoisoned'; did you mean 'PageHWPoison'? [-Werror=implicit-function-declaration]
    3929 |  if (unlikely(PageHasHWPoisoned(page)))
         |               ^~~~~~~~~~~~~~~~~
   /builds/linux/include/linux/compiler.h:78:42: note: in definition of macro 'unlikely'
      78 | # define unlikely(x) __builtin_expect(!!(x), 0)
         |                                          ^
   cc1: some warnings being treated as errors

and this:

   /builds/linux/mm/memory.c:3929:15: error: implicit declaration of function 'PageHasHWPoisoned' [-Werror,-Wimplicit-function-declaration]
           if (unlikely(PageHasHWPoisoned(page)))
                        ^

   /builds/linux/mm/page_alloc.c:1237:4: error: implicit declaration of function 'ClearPageHasHWPoisoned' [-Werror,-Wimplicit-function-declaration]
                           ClearPageHasHWPoisoned(page);
                           ^
   /builds/linux/mm/page_alloc.c:1237:4: note: did you mean 'ClearPageHWPoison'?


Greetings!

Daniel Díaz
daniel.diaz@linaro.org