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Re: [libvirt] [Qemu-devel] Re: Supporting hypervisor specific APIs in libvirt

On 03/26/2010 10:37 AM, Markus Armbruster wrote:

The importances of libqemu is:

1) Providing a common QMP transport implementation that is extensible
by third parties
2) Providing a set of common transports that support automatic
discovery of command line launched guests
3) Providing a generic QMP dispatch function
Adding to this C wrappers for QMP commands threatens to make QMP command
arguments part of the library ABI.  Compatible QMP evolution (like
adding an optional argument) turns into a libqmp soname bump.
Counter-productive.  How do you plan to avoid that?

You could make the API use QObjects; then you're completely isolated from high level protocol changes. Of course, this is less useful than the full API.

Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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