xen/events: use virt_xxx barriers

[cascardo/linux.git] / drivers / xen / events / events_fifo.c

diff --git a/drivers/xen/events/events_fifo.c b/drivers/xen/events/events_fifo.c
index 96a1b8d..eff2b88 100644 (file)
--- a/drivers/xen/events/events_fifo.c
+++ b/drivers/xen/events/events_fifo.c
@@ -41,6 +41,7 @@
 #include <linux/percpu.h>
 #include <linux/cpu.h>
 
+#include <asm/barrier.h>
 #include <asm/sync_bitops.h>
 #include <asm/xen/hypercall.h>
 #include <asm/xen/hypervisor.h>
@@ -296,7 +297,7 @@ static void consume_one_event(unsigned cpu,
         * control block.
         */
        if (head == 0) {
-               rmb(); /* Ensure word is up-to-date before reading head. */
+               virt_rmb(); /* Ensure word is up-to-date before reading head. */
                head = control_block->head[priority];
        }