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kaf24@firebug.cl.cam.ac.uk
fd8719a931
1. No longer hold xenbus_lock while taking down VCPUs
in SMP suspend path. This allows block device hotplug
to continue working and so we will not deadlock on
paging in userspace hotplug code.
2. Track xenbus and local-admin permitted cpumasks for
VCPUs to bring online. So, if a local admin takes a
CPU down, that won't surprisingly get overridden next
time the kernel interrogates xenstore.
Signed-off-by: Keir Fraser <keir@xensource.com>