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xen: introduce dummy system device

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Introduce a new dummy system device serving as parent for virtual
buses. This will enable new pv backends to introduce virtual buses
which are removable again opposed to system buses which are meant
to stay once added.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Message-id: 1463062421-613-2-git-send-email-jgross@suse.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Juergen Gross 2016-05-12 16:13:39 +02:00 • committed by Gerd Hoffmann
parent e081c24d30
commit 9432e53a5b
2 changed files with 41 additions and 0 deletions
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1
include/hw/xen/xen_backend.h
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@ -60,6 +60,7 @@ extern xc_interface *xen_xc;
extern xenforeignmemory_handle *xen_fmem;
extern struct xs_handle *xenstore;
extern const char *xen_protocol;
extern DeviceState *xen_sysdev;
/* xenstore helper functions */
int xenstore_write_str(const char *base, const char *node, const char *val);