These aarch64 patches fail for me like so:
$ ../bld/aarch64-softmmu/qemu-system-aarch64 -M virt -cpu cortex-a57 \
-m 1024 -nographic -kernel ./aarch64-linux-3.15rc2-buildroot.img \
-append console=ttyAMA0
qemu-system-aarch64: /home/rth/work/qemu/qemu/cpu-exec.c:599: cpu_loop_exec_tb:
Assertion `use_icount' failed.
r~
