[libvirt] [PATCH v2 1/3] qemu: Make all SPICE command-line args optional

[Ján Tomko]

On Tue, May 17, 2016 at 12:11:38PM +0200, Christophe Fergeau wrote:
> Hey,
> 
> After this patch series, the QEMU command line may not contain port nor
> tls-port if they both were set to '0'. However, QEMU versions older than
> 2.3.0 will error out because they don't have this commit:
> http://git.qemu.org/?p=qemu.git;a=commitdiff;h=cf7856adefebe86e0
> 

>From that snippet of code it seems omitting port completely and setting
it to 0 were equivalent.

> I assume we want to keep supporting older QEMU binaries, and that this
> needs to be fixed on libvirt side?

It seems this never worked with older QEMUs, regardless of this series.

Jan