On Thu, Dec 20, 2018 at 04:20:28PM +0100, remy.n...@blade-group.com wrote: > From: Remy Noel <remy.n...@blade-group.com> > > It is possible for an io_poll/read/write callback to be concurrently executed > along > with an aio_set_fd_handlers. This can cause all sorts of problems, like > a NULL callback or a bad opaque pointer. > > V2: > * Do not use RCU anymore as it inccurs a performance loss > V3: > * Don't drop revents when a handler is modified [Stefan] > V4: > * Unregister fd from ctx epoll when removing fd_handler [Paolo] > > Remy Noel (2): > aio-posix: Unregister fd from ctx epoll when removing fd_handler. > aio-posix: Fix concurrent aio_poll/set_fd_handler. > > util/aio-posix.c | 90 +++++++++++++++++++++++++++++------------------- > util/aio-win32.c | 67 ++++++++++++++++------------------- > 2 files changed, 84 insertions(+), 73 deletions(-) > > -- > 2.19.2 >
Thanks, applied to my block tree: https://github.com/stefanha/qemu/commits/block Stefan
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