Re: [Xen-devel] [PATCH] xen/arm: Don't start a QEMU for backend

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 8 May 2013, Ian Jackson wrote:
> Stefano Stabellini writes ("Re: [Xen-devel] [PATCH] xen/arm: Don't start a 
> QEMU for backend"):
> > Given that setting up Xen on ARM is non-trivial right now, I think is a
> > reasonable assumption if we document it properly on the wiki.
> 
> OK, so perhaps we should document this qemu-system-i386 invocation
> error too, rather than polishing a workaround which will become wrong
> when we fix the underlying problem ?

Given that the error is non-fatal, you might have a point.

However in case of xl, the user needs to ask for a file backend in order
to trigger a QEMU invocation. While in xencommons it is done
unconditionally.  One might know what is doing and might want to
configure a system without QEMU (on ARM or x86), and at the moment there
is no way to prevent xencommons from spawning it anyway.
Given the code freeze is probably not the right time to introduce
such a config option though.

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