Re: [PATCH v2 2/2] qemu: add support for -device pvpanic

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On Mon, Dec 02, 2013 at 11:15:17AM +0100, Peter Krempa wrote:
> On 12/02/13 07:11, Hu Tao wrote:
> > This patch will add -device pvpanic to qemu command line if user enables
> > pvpanic in domain xml and the qemu version supports pvpanic.
> > 
> > Signed-off-by: Hu Tao <hutao@xxxxxxxxxxxxxx>
> > ---
> >  src/qemu/qemu_capabilities.c |  3 +++
> >  src/qemu/qemu_capabilities.h |  2 ++
> >  src/qemu/qemu_command.c      | 10 ++++++++++
> >  3 files changed, 15 insertions(+)
> > 
> 
> ...
> 
> > diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> > index 763417f..6310bb2 100644
> > --- a/src/qemu/qemu_command.c
> > +++ b/src/qemu/qemu_command.c
> > @@ -9588,6 +9588,16 @@ qemuBuildCommandLine(virConnectPtr conn,
> >          goto error;
> >      }
> >  
> > +    if (def->pvpanic &&
> > +        virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PVPANIC)) {
> > +        if (def->pvpanic->ioport > 0) {
> > +            virCommandAddArg(cmd, "-device");
> > +            virCommandAddArgFormat(cmd, "pvpanic,ioport=%d",
> > +                                   def->pvpanic->ioport);
> > +        } else
> > +            virCommandAddArgList(cmd, "-device", "pvpanic", NULL);
> 
> If pvpanic is requested, but not available in qemu, libvirt should error
> out instead of silently starting the VM without the device.
> 
> > +    }
> > +
> >      if (mlock) {
> >          unsigned long long memKB;
> >  
> > 
> 
> Also as said in review of 1/2. You need to add tests for the new device.

Thanks.

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