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From: Jamie Lokier <jamie@shareable.org>
Subject: Re: [Qemu-devel] [PATCH] [ide] Check that asynchronous (DMA)
	submission succeeds
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To: qemu-devel@nongnu.org

Anthony Liguori wrote:
> I'll have to look more closely, but most of the code goes to great 
> lengths to use bottom halves to avoid the possibility of infinite 
> recursion.  The concern with recursion is not CPU consumption, it's that 
> you'll eventually overrun the stack and potentially crash the QEMU process.

(Completely unrelated: "qemu -net nic -net user -net user" will
overrun the stack and crash the QEMU process as soon as the guest
makes an external TCP connection.)

-- Jamie