On Tue, 19 Apr 2022, 16:31 Paran Lee, wrote: > Hi, Julien Grall. > > Thank you for checking it out. I'm sorry I forgot to attach the make log > as well. > Thanks for the logs! > My build configuration (include CFLGAS) > > export ARCH=arm64 > export XEN_TARGET_ARCH=arm64 > export $(dpkg-architecture -aarm64); > export CROSS_COMPILE=aarch64-linux-gnu- > export CFLAGS="-g -Wall -Wextra -Wno-unused-parameter" > May I ask why you are modifying the flags? What's your end goal? There reason I am asking is a lot of the helper for cpumask are using signed int. So switching only the local variables to unsigned sounds wrong to me. Cheers,