Re: [Xen-devel] [Qemu-devel] [PATCH 1/2] Allow use of pc machine type (accel=xen) for Xen HVM domains.

[Igor Mammedov <imammedo@xxxxxxxxxx>]

On Mon, 17 Jun 2013 13:36:36 +0100
Paul Durrant <paul.durrant@xxxxxxxxxx> wrote:

> Xen HVM domains normally spawn QEMU with a dedicated xenfv machine type. The
> initialization code for this machine type can easily be pulled into the
> generic pc initialization code and guarded with a test for whether the xen
> accelerator options is specified, which is more consistent with the way
> other accelerators are used.
> 
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> ---
>  hw/i386/pc_piix.c |    7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
> index d618570..6d3f161 100644
> --- a/hw/i386/pc_piix.c
> +++ b/hw/i386/pc_piix.c
> @@ -91,6 +91,10 @@ static void pc_init1(MemoryRegion *system_memory,
>      DeviceState *icc_bridge;
>      FWCfgState *fw_cfg = NULL;
>  
> +    if (xen_hvm_init() != 0) {
> +        hw_error("xen hardware virtual machine initialisation failed");
> +    }
> +
would it work if starting QEMU without xen?

>      icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
>      object_property_add_child(qdev_get_machine(), "icc-bridge",
>                                OBJECT(icc_bridge), NULL);
> @@ -320,9 +324,6 @@ static void pc_init_isa(QEMUMachineInitArgs *args)
>  #ifdef CONFIG_XEN
>  static void pc_xen_hvm_init(QEMUMachineInitArgs *args)
>  {
> -    if (xen_hvm_init() != 0) {
> -        hw_error("xen hardware virtual machine initialisation failed");
> -    }
>      pc_init_pci(args);
>  }
>  #endif
> -- 
> 1.7.10.4
> 
> 


-- 
Regards,
  Igor

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