Following arm64 tinyconfig builds failed on queue/5.15..5.17. arm64-gcc-11-tinyconfig - FAILED arm64-gcc-10-tinyconfig- FAILED arm64-clang-12-tinyconfig- FAILED arm64-clang-13-tinyconfig- FAILED

arch/arm64/mm/init.c:90:19: error: conflicting type qualifiers for 'arm64_dma_phys_limit' 90 | const phys_addr_t arm64_dma_phys_limit = PHYS_MASK + 1; | ^~~~~~~~~~~~~~~~~~~~ In file included from include/asm-generic/qrwlock.h:14, from ./arch/arm64/include/generated/asm/qrwlock.h:1, from arch/arm64/include/asm/spinlock.h:9, from include/linux/spinlock.h:94, from include/linux/swap.h:5, from arch/arm64/mm/init.c:12: arch/arm64/include/asm/processor.h:102:20: note: previous declaration of 'arm64_dma_phys_limit' with type 'phys_addr_t' {aka 'long long unsigned int'} 102 | extern phys_addr_t arm64_dma_phys_limit; | ^~~~~~~~~~~~~~~~~~~~ make[3]: *** [scripts/Makefile.build:277: arch/arm64/mm/init.o] Error 1

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

Is this the suspected commit ?

arm64: Do not defer reserve_crashkernel() for platforms with no DMA memory zones commit 031495635b4668f94e964e037ca93d0d38bfde58 upstream.

https://qa-reports.linaro.org/_/comparetest/?project=1019&project=1110&a...

- Naresh