[PATCH v4 0/6] colo-compare bugfixes

[Lukas Straub <lukasstraub2@web.de>]

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Hello Everyone,
Here are fixes for bugs that I found in my tests.

Benchmark results:
Client-to-server tcp:
without patch: ~63 Mbit/s
with patch: ~66 Mbit/s
Server-to-client tcp:
without patch: ~771 Kbit/s
with patch: ~702 Kbit/s

Regards,
Lukas Straub

Version changes:
v4:
 -fix potential deadlock with notify_remote_frame
 -avoid malloc and memcpy in many cases

v3:
 -fix checkpatch.pl error

v2:
 -better wording
 -fix performance-regression in patch 3 "net/colo-compare.c: Fix deadlock in compare_chr_send"
 -add more bugfixes


Lukas Straub (6):
  net/colo-compare.c: Create event_bh with the right AioContext
  chardev/char.c: Use qemu_co_sleep_ns if in coroutine
  net/colo-compare.c: Fix deadlock in compare_chr_send
  net/colo-compare.c: Only hexdump packets if tracing is enabled
  net/colo-compare.c, softmmu/vl.c: Check that colo-compare is active
  net/colo-compare.c: Correct ordering in complete and finalize

 chardev/char.c     |   7 +-
 net/colo-compare.c | 250 +++++++++++++++++++++++++++++++++------------
 net/colo-compare.h |   1 +
 net/colo.c         |   7 ++
 net/colo.h         |   1 +
 softmmu/vl.c       |   2 +
 6 files changed, 204 insertions(+), 64 deletions(-)

-- 
2.20.1

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