On Wed, May 22, 2013 at 11:32:27AM +0200, Stefan Hajnoczi wrote: > On Wed, May 22, 2013 at 12:57:35PM +0800, Amos Kong wrote: > > I try to hotplug 28 * 8 multiple-function devices to guest with > > old host kernel, ioeventfds in host kernel will be exhausted, then > > qemu fails to allocate ioeventfds for blk/nic devices. > > > > It's better to add detail error here. > > > > Signed-off-by: Amos Kong <akong@xxxxxxxxxx> > > --- > > kvm-all.c | 4 ++++ > > 1 files changed, 4 insertions(+), 0 deletions(-) > > It would be nice to make kvm bus scalable so that the hardcoded > in-kernel I/O device limit can be lifted. I had increased kernel NR_IOBUS_DEVS to 1000 (a limitation is needed for security) in last Mar, and make resizing kvm_io_range array dynamical. > Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx> -- Amos. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html