xenbus: advertise control feature flags
The Xen docs specify several flags which a guest can set to advertise which values of the xenstore control/shutdown key it will recognize. This patch adds code to write all the relevant feature-flag keys. Based-on-patch-by:Paul Durrant <paul.durrant@citrix.com> Signed-off-by:
Juergen Gross <jgross@suse.com> Reviewed-by:
David Vrabel <david.vrabel@citrix.com> Reviewed-by:
Paul Durrant <paul.durrant@citrix.com> Signed-off-by:
David Vrabel <david.vrabel@citrix.com>
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a6a198bc
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