Re: [PATCH 5.15 00/37] 5.15.73-rc1 review

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On 10/10/22 00:05, Greg Kroah-Hartman wrote:
This is the start of the stable review cycle for the 5.15.73 release.
There are 37 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 Wed, 12 Oct 2022 07:03:19 +0000.
Anything received after that time might be too late.


Building h8300:allnoconfig ... failed
--------------
Error log:
In file included from include/linux/fs.h:6,
                 from include/linux/huge_mm.h:8,
                 from include/linux/mm.h:727,
                 from include/linux/pid_namespace.h:7,
                 from include/linux/ptrace.h:10,
                 from arch/h8300/kernel/asm-offsets.c:15:
include/linux/wait_bit.h: In function 'wait_on_bit':
include/linux/wait_bit.h:74:14: error: implicit declaration of function 'test_bit_acquire'; did you mean 'test_bit_le'? [-Werror=implicit-function-declaration]
   74 |         if (!test_bit_acquire(bit, word))
      |              ^~~~~~~~~~~~~~~~
      |              test_bit_le

This affects h8300 builds in all branches all the way back to v4.9.y.
It also affects release candidates for various other architectures
in v4.9.y..v5.10.y. In v4.9.y.queue, for example, I see 56 build
failures out of 164 builds; most if not all of those can be attributed
to problems with test_bit_acquire() - either due to a missing or due
to a bad backport.

I can only hope that fix for the the problem that required the
test_bit_acquire() backport is worth the trouble it causes.

Guenter



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