On 05/26/2015 05:12 PM, Andrey Ryabinin wrote: > On 05/26/2015 04:35 PM, Linus Walleij wrote: >> I wonder were the problem lies, any hints where to start looking >> to fix this? >> > > I suspect that your compiler lack -fsantize=kernel-address support. > It seems that GCC 4.9.2 doesn't supports -fsanitize=address/kernel-address on aarch64. > In that case you should get something like this, during kernel build: scripts/Makefile.kasan:17: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler Also you may check you gcc by compiling simple program: $ cat test.c void main(void) { } $ gcc -fsanitize=kernel-address test.c -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>