Re: [Qemu-devel] [PATCH 3/3] iothread: release iothread around aio_poll

2015-03-06 Thread Stefan Hajnoczi
On Fri, Feb 20, 2015 at 05:26:52PM +0100, Paolo Bonzini wrote: > This is the first step towards having fine-grained critical sections in > dataplane threads, which resolves lock ordering problems between > address_space_* functions (which need the BQL when doing MMIO, even > after we complete RCU-b

[Qemu-devel] [PATCH 3/3] iothread: release iothread around aio_poll

2015-02-20 Thread Paolo Bonzini
This is the first step towards having fine-grained critical sections in dataplane threads, which resolves lock ordering problems between address_space_* functions (which need the BQL when doing MMIO, even after we complete RCU-based dispatch) and the AioContext. Because AioContext does not use con