Dear Khasim,

I tried to build  kernel on branch lsk/linux-linaro-lsk-android. but the compiler complained the following messages:

16:03:52@~/work/linux-linaro-tracking$ make
  CHK     include/generated/uapi/linux/version.h
  CHK     include/generated/utsrelease.h
  CALL    scripts/checksyscalls.sh
  CC      scripts/mod/devicetable-offsets.s
  GEN     scripts/mod/devicetable-offsets.h
  HOSTCC  scripts/mod/file2alias.o
  HOSTLD  scripts/mod/modpost
  CHK     include/generated/compile.h
  CC      arch/arm64/kernel/ptrace.o
arch/arm64/kernel/ptrace.c: In function ‘syscall_trace_exit’:
arch/arm64/kernel/ptrace.c:1112:3: error: implicit declaration of function ‘regs_return_value’ [-Werror=implicit-function-declaration]
   trace_sys_exit(regs, regs_return_value(regs));
   ^
cc1: some warnings being treated as errors
make[1]: *** [arch/arm64/kernel/ptrace.o] Error 1
make: *** [arch/arm64/kernel] Error 2

I thought this branch is not tested on arm64. that's said we use another branch to develop linaro-android for arm64. Am I right?

If I got it could you tell me witch branch should I track for develop android on arm64?

Many thanks.