On Fri, May 17, 2013 at 04:08:36PM +0100, Peter Maydell wrote: > On 17 May 2013 14:51, Stefan Hajnoczi <stefa...@redhat.com> wrote: > > There is ongoing work to enable multiple event loop threads. This will > > allow > > QEMU itself to take advantage of SMP and reduce Big QEMU Lock (BQL) > > contention. > > This series is one step in that effort. > > > > These patches make coroutines safe in a multi-event loop/multi-threaded > > world. > > I have successfully tested them running qcow2 in a dataplane thread (further > > patches are required which I'll be sending soon). > > Did you test the sigaltstack backend as well as ucontext? I know > in theory they should be the same but still :-)
Yes, I have tested sigaltstack successfully with make check and qemu-iotests. Stefan