This patch requires (as context only) patches 1,2
(but excluding patch 4) from:
Message-id: 1430864578-22072-1-git-send-email-jsnow@redhat.com
[PATCH v3 0/5] qtest: base64 r/w and faster memset

Or, alternatively, use the github mirrors below.

==
For convenience, this branch is available at:
https://github.com/jnsnow/qemu.git branch qtest_batching
https://github.com/jnsnow/qemu/tree/qtest_batching

This version is tagged qtest_batching-v1:
https://github.com/jnsnow/qemu/releases/tag/qtest_batching-v1
==