On 04/01/16 11:46, Michael S. Tsirkin wrote: > drivers/xen/events/events_fifo.c uses rmb() to communicate with the > other side. > > For guests compiled with CONFIG_SMP, smp_rmb would be sufficient, so > rmb() here is only needed if a non-SMP guest runs on an SMP host. > > Switch to the virt_rmb barrier which serves this exact purpose. > > Pull in asm/barrier.h here to make sure the file is self-contained.
Thanks! Acked-by: David Vrabel <david.vra...@citrix.com> David _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
