Re: [Qemu-devel] virtio-serial-pci very expensive during live migration

[Amit Shah]

On (Thu) 08 May 2014 [15:14:26], Paolo Bonzini wrote:
> Il 08/05/2014 15:02, Amit Shah ha scritto:
> >>> I tried the patch below.  Unfortunately it seems to cause qemu to crash.
> >This doesn't remove the memory_region_transaction_begin() and
> >_commit() from memory_region_add_eventfd(), which will still be
> >called.
> 
> That's correct, transactions can be nested.

But each _commit() will add to the delay?

                Amit