Re: [Xen-devel] [PATCH 1/5] xen/sys/hypervisor: Export guest_properties/is_initial_domain

[Bastian Blank <bastian@xxxxxxxxxxxx>]

On Mon, Nov 28, 2011 at 02:14:39PM -0400, Konrad Rzeszutek Wilk wrote:
> On Sun, Nov 27, 2011 at 11:07:04PM +0100, Bastian Blank wrote:
> > diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c
> > index 1e0fe01..d0916e8 100644
> > --- a/drivers/xen/sys-hypervisor.c
> > +++ b/drivers/xen/sys-hypervisor.c
> > @@ -355,6 +355,35 @@ static void xen_properties_destroy(void)
> >     sysfs_remove_group(hypervisor_kobj, &xen_properties_group);
> >  }
> >  
> > +/* xen guest properties info */
> 
> Properties is plural, but this is a single attribute.

Just like the old /proc/xen/capabilites, it only supported one attribute
ever. However it could export a flag for hvm domain.

>                      Perhaps the name 'is_initial_domain' would be a
> better name?

It is already called this was.

>              What is the purpose of this attribute?

Replace /proc/xen/capabilities. See
<20100605162947.GA31336@xxxxxxxxxxxxxxxxxxxxxxx>

>                                                     Who/what tools
> benefit from this?

The init scripts are the only users.

Bastian

-- 
Deflector shields just came on, Captain.

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