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Date: Tue, 09 Oct 2012 16:41:22 +0200
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Subject: Re: [Qemu-devel] Block I/O outside the QEMU global mutex was "Re:
 [RFC PATCH 00/17] Support for multiple "AIO contexts""
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To: Paolo Bonzini <pbonzini@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>, Anthony Liguori <aliguori@us.ibm.com>, Ping Fan Liu <pingfank@linux.vnet.ibm.com>, Stefan Hajnoczi <stefanha@gmail.com>, qemu-devel@nongnu.org, Jan Kiszka <jan.kiszka@siemens.com>

On 10/09/2012 04:35 PM, Paolo Bonzini wrote:

>> Of course we can violate that and it wouldn't know a thing, but I prefer
>> to stick to the established pattern.
> 
> I wasn't suggesting that, just evaluating the different tradeoffs QEMU
> could make.  Reference counting is complicated because it has to apply
> to all objects used as opaques, and we're using things other than the
> DeviceState as opaques in many cases.

In the last episode we had MemoryRegionOps::ref/unref() to work around that.

But yes, it's complicated, and we haven't started to deal with cycles yet.

-- 
error compiling committee.c: too many arguments to function