[Xen-devel] Re: [PATCHv2 1/4] libxl: extend physinfo structure

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 22 Apr 2010, Ian Jackson wrote:
> Paolo Bonzini writes ("Re: [PATCHv2 1/4] libxl: extend physinfo structure"):
> > Vincent, Stefano, is it okay to break the ABI?
> 
> Yes, it is fine to break the ABI.
> 
> > If so, I suggest adding an initial member to be filled with sizeof() of 
> > the structure, similar to many Win32 APIs like GetVersionEx.
> 
> We've basically decided we don't need to do that.  Libraries from
> different major versions of Xen will not be ABI-compatible and will
> have different sonames.  We intend that binaries linked to old
> libraries will continue to work.

Indeed.
We want to keep the library as simple as possible while providing all
the needed capabilities, and I think this simple schema provides just
that.


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