The arm64 and arm builds are failing on stable-rc linux.5.10.y branch due to following build warnings / errors. Anders, build bisected and found first commit as, first bad commit: [9bf29b51d2bc21abdb8bd36382c1c324a1c54ca7] ring-buffer: Only update pages_touched when a new page is touched Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> Build log: ----- kernel/trace/ring_buffer.c: In function 'rb_tail_page_update': kernel/trace/ring_buffer.c:1479:21: error: implicit declaration of function 'try_cmpxchg'; did you mean 'xa_cmpxchg'? [-Werror=implicit-function-declaration] 1479 | if (try_cmpxchg(&cpu_buffer->tail_page, &tail_page, next_page)) | ^~~~~~~~~~~ | xa_cmpxchg cc1: some warnings being treated as errors Links: - https://storage.tuxsuite.com/public/linaro/lkft/builds/2fWFu97bCGW3ZYMbPsIpFyxEwBx/ - https://storage.tuxsuite.com/public/linaro/lkft/builds/2fWFuBOMDouq6VfImqR2Iq30FQe/config - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.10.y/build/v5.10.215-73-g5feded50ee59/testrun/23639019/suite/build/test/gcc-12-lkftconfig-debug-kmemleak/details/ - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-5.10.y/build/v5.10.215-73-g5feded50ee59/testrun/23639019/suite/build/test/gcc-12-lkftconfig-debug-kmemleak/history/ Meta data: git_repo: https://gitlab.com/Linaro/lkft/mirrors/stable/linux-stable-rc git_sha : 5feded50ee597a37f4778545a879337c2f72490d git_short_log : 5feded50ee59 ("Linux 5.10.216-rc1") arch: arm64 toolchain: gcc-12 Steps to reproduce: --- - https://storage.tuxsuite.com/public/linaro/lkft/builds/2fWFuBOMDouq6VfImqR2Iq30FQe/tuxmake_reproducer.sh -- Linaro LKFT https://lkft.linaro.org