Re: [Qemu-devel] [RFC PATCH] qemu_mutux: make the iothread recursive (MTTCG)

[Paolo Bonzini]

On 23/06/2015 14:21, Alex Bennée wrote:
> While I was testing multi-threaded TCG I discovered once consequence of
> using locking around memory_region_dispatch is that virt-io transactions
> could dead lock trying to grab the main mutex. This is due to the
> virt-io driver writing data back into the system memory:

Have you looked at the patches I posted last week?

http://thread.gmane.org/gmane.comp.emulators.qemu/345258

Paolo