xen: suspend: use HYPERVISOR_suspend for PVHVM case instead of open coding
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 972bf78..4dd0186 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -38,7 +38,6 @@
static int xen_hvm_suspend(void *data)
{
int err;
- struct sched_shutdown r = { .reason = SHUTDOWN_suspend };
int *cancelled = data;
BUG_ON(!irqs_disabled());
@@ -50,7 +49,12 @@
return err;
}
- *cancelled = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
+ /*
+ * This hypercall returns 1 if suspend was cancelled
+ * or the domain was merely checkpointed, and 0 if it
+ * is resuming in a new domain.
+ */
+ *cancelled = HYPERVISOR_suspend(0UL);
xen_hvm_post_suspend(*cancelled);
gnttab_resume();