Hi,
I am using gcc-linaro-5.3-2016.02-x86_64_aarch64-linux-gnu and gcc-linaro-5.3-2016.02-x86_64_armv8l-linux-gnueabihf as toolchains to build the kernel, when I call make zImage I encounter with the following error:
CC arch/arm64/mm/dma-mapping.o
arch/arm64/mm/dma-mapping.c:579:22: error: '__atomic_get_pages' defined but not used [-Werror=unused-function]
static struct page **__atomic_get_pages(void *addr)
^
cc1: all warnings being treated as errors
make[1]: *** [arch/arm64/mm/dma-mapping.o] Error 1
make: *** [arch/arm64/mm] Error 2
How can I resolve this error? Thank you in advance.