There's no need to make the machine allow every possible sysbus
device.  We can now just add xen-sysdev to the allowed list.

Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Anthony Perard <anthony.perard@citrix.com>
Cc: xen-devel@lists.xenproject.org
Cc: Juergen Gross <jgross@suse.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
---
Changes series v1 -> v2:
* New patch added to series
---
 hw/xen/xen_backend.c | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c
index 82380ea9ee..7445b506ac 100644
--- a/hw/xen/xen_backend.c
+++ b/hw/xen/xen_backend.c
@@ -564,12 +564,7 @@ static void xen_set_dynamic_sysbus(void)
     ObjectClass *oc = object_get_class(machine);
     MachineClass *mc = MACHINE_CLASS(oc);
 
-    /*
-     * Emulate old mc->has_dynamic_sysbus=true assignment
-     *
-     *TODO: add only Xen devices to the list
-     */
-    machine_class_allow_dynamic_sysbus_dev(mc, TYPE_SYS_BUS_DEVICE);
+    machine_class_allow_dynamic_sysbus_dev(mc, TYPE_XENSYSDEV);
 }
 
 int xen_be_register(const char *type, struct XenDevOps *ops)
-- 
2.13.6

Hi,

On Sat, Nov 25, 2017 at 4:16 PM, Eduardo Habkost <ehabkost@redhat.com> wrote:
> There's no need to make the machine allow every possible sysbus
> device.  We can now just add xen-sysdev to the allowed list.
>
> Cc: Stefano Stabellini <sstabellini@kernel.org>
> Cc: Anthony Perard <anthony.perard@citrix.com>
> Cc: xen-devel@lists.xenproject.org
> Cc: Juergen Gross <jgross@suse.com>
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> ---
> Changes series v1 -> v2:
> * New patch added to series
> ---
>  hw/xen/xen_backend.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
>
> diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c
> index 82380ea9ee..7445b506ac 100644
> --- a/hw/xen/xen_backend.c
> +++ b/hw/xen/xen_backend.c
> @@ -564,12 +564,7 @@ static void xen_set_dynamic_sysbus(void)
>      ObjectClass *oc = object_get_class(machine);
>      MachineClass *mc = MACHINE_CLASS(oc);
>
> -    /*
> -     * Emulate old mc->has_dynamic_sysbus=true assignment
> -     *
> -     *TODO: add only Xen devices to the list
> -     */
> -    machine_class_allow_dynamic_sysbus_dev(mc, TYPE_SYS_BUS_DEVICE);
> +    machine_class_allow_dynamic_sysbus_dev(mc, TYPE_XENSYSDEV);

It looks like it's the last patch in the series without review. It
would be nice if a Xen maintainer could look at it, or test it, as I
dont know how to test it tbh.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>


>  }
>
>  int xen_be_register(const char *type, struct XenDevOps *ops)
> --
> 2.13.6
>
>



-- 
Marc-André Lureau

On Sat, Nov 25, 2017 at 01:16:09PM -0200, Eduardo Habkost wrote:
> There's no need to make the machine allow every possible sysbus
> device.  We can now just add xen-sysdev to the allowed list.
> 
> Cc: Stefano Stabellini <sstabellini@kernel.org>
> Cc: Anthony Perard <anthony.perard@citrix.com>
> Cc: xen-devel@lists.xenproject.org
> Cc: Juergen Gross <jgross@suse.com>
> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>

I've tested the patch series with every hotplug things I could think of,
and it worked fine.

Acked-by: Anthony PERARD <anthony.perard@citrix.com>

> ---
> Changes series v1 -> v2:
> * New patch added to series
> ---
>  hw/xen/xen_backend.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c
> index 82380ea9ee..7445b506ac 100644
> --- a/hw/xen/xen_backend.c
> +++ b/hw/xen/xen_backend.c
> @@ -564,12 +564,7 @@ static void xen_set_dynamic_sysbus(void)
>      ObjectClass *oc = object_get_class(machine);
>      MachineClass *mc = MACHINE_CLASS(oc);
>  
> -    /*
> -     * Emulate old mc->has_dynamic_sysbus=true assignment
> -     *
> -     *TODO: add only Xen devices to the list
> -     */
> -    machine_class_allow_dynamic_sysbus_dev(mc, TYPE_SYS_BUS_DEVICE);
> +    machine_class_allow_dynamic_sysbus_dev(mc, TYPE_XENSYSDEV);
>  }
>  
>  int xen_be_register(const char *type, struct XenDevOps *ops)

-- 
Anthony PERARD