On Tue, 2015-03-31 at 20:00 +0100, Ian Jackson wrote: > Previously we used in_initiator to stop the ao being freed while we > were still in the initiator function (which would result in the > initiator's call to lixl__ao_inprogress accessing the ao after it had > been freed). > > We are going to introduce a new libxl entrypoint which finds, and > operates on, ongoing aos. This function needs the same protection, > and might even end up running on the same ao multiple times > concurrently. > > So do this with reference counting instead, with a new variable > ao->manip_refcnt. > > We keep ao->in_initiator because that allows us to keep some useful > asserts about the sequencing of libxl__ao_inprogress, etc. > > Signed-off-by: Ian Jackson <ian.jack...@eu.citrix.com>
Acked-by: Ian Campbell <ian.campb...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
