Am 16.03.2017 um 17:02 hat Peter Lieven geschrieben: > commit 3c80ca15 fixed a deadlock scenarion with nested aio_poll invocations. > > However, the rescheduling of the completion BH introcuded unnecessary spinning > in the main-loop. On very fast file backends this can even lead to the > "WARNING: I/O thread spun for 1000 iterations" message popping up. > > Callgrind reports about 3-4% less instructions with this patch running > qemu-img bench on a ramdisk based VMDK file. > > Fixes: 3c80ca158c96ff902a30883a8933e755988948b1 > Cc: qemu-sta...@nongnu.org > Signed-off-by: Peter Lieven <p...@kamp.de>
Thanks, applied to the block branch. Kevin
