On Thu, Apr 5, 2012 at 11:59 AM, Jan Kiszka <jan.kis...@siemens.com> wrote: > Use QemuEvent for signaling POSIX AIO completions. If native eventfd > support is available, this avoids multiple read accesses to drain > multiple pending signals. > > Signed-off-by: Jan Kiszka <jan.kis...@siemens.com> > --- > posix-aio-compat.c | 62 > ++++++---------------------------------------------- > 1 files changed, 7 insertions(+), 55 deletions(-)
We can save a file descriptor by scheduling a BH (if not already scheduled) and calling qemu_notify_event() instead of using a dedicated QemuEvent. I may have missed something, just got back from vacation :). Stefan