On Tue, Feb 24, 2015 at 11:17:59AM +0000, David Vrabel wrote: > If the pending indexes are released /after/ pushing the Tx response > then a stale pending index may be used if a new Tx request is > immediately pushed by the frontend. The may cause various WARNINGs or > BUGs if the stale pending index is actually still in use. > > Fix this by releasing the pending index before pushing the Tx > response. > > The full barrier for the pending ring update is not required since the > the Tx response push already has a suitable write barrier. > > Signed-off-by: David Vrabel <david.vra...@citrix.com>
Reviewed-by: Wei Liu <wei.l...@citrix.com> _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
