[Qemu-devel] [PATCH 0/3] linux-aio: fix "Co-routine re-entered recursively" error

[Stefan Hajnoczi]

It's possible to hit the "Co-routine re-entered recursively" error with -drive
format=qcow2,aio=native.  This is a regression introduced by a linux-aio.c
optimization.  See Patch 3 for details.

Patches 1 & 2 add a new coroutine API called qemu_coroutine_entered() for
checking whether a coroutine is currently "entered".  This makes it possible to
avoid re-entering coroutines recursively.

Stefan Hajnoczi (3):
  coroutine: add qemu_coroutine_entered() function
  test-coroutine: test qemu_coroutine_entered()
  linux-aio: fix re-entrant completion processing

 block/linux-aio.c        |  9 ++++++---
 include/qemu/coroutine.h | 13 +++++++++++++
 tests/test-coroutine.c   | 42 ++++++++++++++++++++++++++++++++++++++++++
 util/qemu-coroutine.c    |  5 +++++
 4 files changed, 66 insertions(+), 3 deletions(-)

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2.7.4