hv: allocate synic pages for all present CPUs
BugLink: http://bugs.launchpad.net/bugs/1676635
It may happen that not all CPUs are online when we do hv_synic_alloc() and
in case more CPUs come online later we may try accessing these allocated
structures.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit
421b8f20d3c381b215f988b42428f56fc3b82405)
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>