On 10/09/2012 11:08 AM, Stefan Hajnoczi wrote: > Here are the steps that have been mentioned: > > 1. aio fastpath - for raw-posix and other aio block drivers, can we reduce I/O > request latency by skipping block layer coroutines?
Is coroutine overhead noticable? > I'm also curious about virtqueue_pop()/virtqueue_push() outside the QEMU mutex > although that might be blocked by the current work around MMIO/PIO dispatch > outside the global mutex. It is, yes. -- error compiling committee.c: too many arguments to function
