Re: [Xen-devel] [PATCH] libxl: ignore run_hotplug_scripts setting when backend_domid!=0

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On 04/07/13 12:42, George Dunlap wrote:
> On Tue, Apr 9, 2013 at 9:49 AM, Marek Marczykowski
> <marmarek@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>> Instead of forcing the user to change run_hotplug_scripts setting
>> globally, just ignore it for backends outside of dom0.
>>
>> Signed-off-by: Marek Marczykowski <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> 
> This seems like a good idea -- Roger / Ian, any thoughts?

We already have this behaviour in libxl (see libxl_device.c:device_hotplug):

/*
 * If device is attached from a driver domain don't try to execute
 * hotplug scripts
 */
if (aodev->dev->backend_domid != LIBXL_TOOLSTACK_DOMID)
    goto out;

This was introduced by commit 05bfd984dfe7014f1f5ea1133608b9bab589c120

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