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Re: [Xen-devel] [PATCH v2] xen: Fix xenpv machine initialisation



On Tue, Nov 08, 2016 at 02:07:22PM +0000, Anthony PERARD wrote:
> When using QEMU for Xen PV guest, QEMU abort with:
> xen-common.c:118:xen_init: Object 0x7f2b8325dcb0 is not an instance of type 
> generic-pc-machine
> 
> This is because the machine 'xenpv' also use accel=xen. Moving the code
> to xen_hvm_init() fix the issue.
> 
> This fix 021746c131cdfeab9d82ff918795a9f18d20d7ae.
> 
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>

Reviewed-by: Eduardo Habkost <ehabkost@xxxxxxxxxx>

> ---
> CC: Wei Liu <wei.liu2@xxxxxxxxxx>
> CC: Eduardo Habkost <ehabkost@xxxxxxxxxx>
> ---
>  xen-common.c | 6 ------
>  xen-hvm.c    | 4 ++++
>  2 files changed, 4 insertions(+), 6 deletions(-)
> 
> diff --git a/xen-common.c b/xen-common.c
> index bacf962..9099760 100644
> --- a/xen-common.c
> +++ b/xen-common.c
> @@ -9,7 +9,6 @@
>   */
>  
>  #include "qemu/osdep.h"
> -#include "hw/i386/pc.h"
>  #include "hw/xen/xen_backend.h"
>  #include "qmp-commands.h"
>  #include "sysemu/char.h"
> @@ -115,11 +114,6 @@ static void xen_change_state_handler(void *opaque, int 
> running,
>  
>  static int xen_init(MachineState *ms)
>  {
> -    PCMachineState *pcms = PC_MACHINE(ms);
> -
> -    /* Disable ACPI build because Xen handles it */
> -    pcms->acpi_build_enabled = false;
> -
>      xen_xc = xc_interface_open(0, 0, 0);
>      if (xen_xc == NULL) {
>          xen_pv_printf(NULL, 0, "can't open xen interface\n");
> diff --git a/xen-hvm.c b/xen-hvm.c
> index 2f348ed..150c7e7 100644
> --- a/xen-hvm.c
> +++ b/xen-hvm.c
> @@ -1316,6 +1316,10 @@ void xen_hvm_init(PCMachineState *pcms, MemoryRegion 
> **ram_memory)
>      }
>      xen_be_register_common();
>      xen_read_physmap(state);
> +
> +    /* Disable ACPI build because Xen handles it */
> +    pcms->acpi_build_enabled = false;
> +
>      return;
>  
>  err:
> -- 
> Anthony PERARD
> 

-- 
Eduardo

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