Re: [Qemu-devel] [PATCH] avoid name clashes due to LIST_* macros

[Anthony Liguori]

Ian Jackson wrote:
> qemu's audio subdirectory contains a copy of BSD's sys-queue.h, which
> defines a bunch of LIST_ macros.  This makes it difficult to build a
> program made partly out of qemu and partly out of the Linux kernel[1],
> since Linux has a different set of LIST_ macros.  It might also cause
> trouble when mixing with BSD-derived code.
>   

That doesn't seem like a very good justification.  If you're mixing QEMU 
code with other code, it's easier for you to maintain these merge 
conflict fixes as normal QEMU developers would have no idea what it 
wasn't okay to just use LIST_xxx

Regards,

Anthony Liguori

> Under the circumstances it's probably best to rename the versions in
> qemu.  The attached patch does this.
>
> [1] You might well ask why anyone would want to do this.  In Xen we
> are moving our emulation of IO devices from processes which run on the
> host into a dedicated VM (one per actual VM) which we call a `stub
> domain'.  This dedicated VM runs a very cut-down `operating system'
> which uses some code from Linux.
>
> Regards,
> Ian.
>
>