Re: [Xen-devel] [Xen-users] xen forum

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 23/05/13 13:04, Ian Campbell wrote:
> On Thu, 2013-05-23 at 11:41 +0100, George Dunlap wrote:
> > > Any chance of the multi-device syntax also being patched into xm for 4.3?
> > I think at this point it's unlikely.  Even if we had the patches, it's
> > too late in the release process to risk introducing a bug to implement
> > this feature.
> Also since xend/xm is now deprecated (and has been since 4.2) I'm not
> sure adding new features would be appropriate.
>
> > There is an all-purpose work-around, however.  Basically all of the
> > device options are parsed from the config file and then transmuted
> > into qemu command-line parameters.  There's a field in the config file
> > that allows you to pass in a string of options directly.  If you
> > wanted to add more usb devices, you can do something like this:
> >
> > extra="-usbdevice $dev1 -usbdevice $dev2"
> Do you really mean "extra", I thought that was for extra bits tacked
> onto the PV kernel command. Maybe it has this alternative meaning for
> HVM guests though?
>
> Under xl this option is "device_model_args". Not sure if xm had an
> equivalent, dmargs rings a vague bell though.
Apparently I don't -- sorry, I just looked through my config files and 
that was a line commented out that looked like it did what I wanted.  
But apparently that's completely wrong.
And, looking through the xend code and config files, I can't seem to 
find an equivalent command.  OK, sorry for the misdirection. :-/
 -George

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