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Date: Thu, 14 Mar 2013 12:04:13 +0100
From: Paolo Bonzini <pbonzini@redhat.com>
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Subject: Re: [Qemu-devel] [RFC PATCH 0/2] port network layer onto glib
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: mdroth <mdroth@linux.vnet.ibm.com>, "Michael S. Tsirkin" <mst@redhat.com>, Stefan Hajnoczi <stefanha@gmail.com>, qemu-devel@nongnu.org, Liu Ping Fan <qemulist@gmail.com>, Anthony Liguori <anthony@codemonkey.ws>

Il 14/03/2013 12:00, Peter Maydell ha scritto:
>>> >> I think coroutines are dreadful and we should really not be moving
>>> >> towards greater use of them. They're just really really not portable
>>> >> and they don't fit with the C language, and they're a constant source
>>> >> of problems.(For instance I have a bug I need to look into where we
>>> >> seem to hang using the gthread coroutine backend but not sigaltstack.)
>> >
>> > The gthread coroutine backend is really more for debugging than anything
>> > else.  It works for qemu-io/img, but not for QEMU.  Good that you
>> > actually found proof. :)
> If it's not supposed to work we shouldn't let configure default
> to it

Agreed.  I thought it didn't anymore.

> (and actually I'd argue we should drop it completely...)

I'd do the same, but Kevin said he's using it for debugging qemu-io/img.

Paolo