[Xen-devel] [PATCH 07/18] xen/arm: Freeze domains on suspend and thaw them on resume

[Mirela Simonovic <mirela.simonovic@xxxxxxxxxx>]

Freeze and thaw of domains is reused as implemented for x86. In
addition, system_state variable is updated to represent the actual
state of the system.

Signed-off-by: Mirela Simonovic <mirela.simonovic@xxxxxxxxxx>
Signed-off-by: Saeed Nowshadi <saeed.nowshadi@xxxxxxxxxx>
---
 xen/arch/arm/suspend.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/xen/arch/arm/suspend.c b/xen/arch/arm/suspend.c
index 21b45f8248..575afd5eb8 100644
--- a/xen/arch/arm/suspend.c
+++ b/xen/arch/arm/suspend.c
@@ -117,6 +117,14 @@ static long system_suspend(void *data)
 {
     BUG_ON(system_state != SYS_STATE_active);
 
+    system_state = SYS_STATE_suspend;
+    freeze_domains();
+
+    system_state = SYS_STATE_resume;
+
+    thaw_domains();
+    system_state = SYS_STATE_active;
+
     return -ENOSYS;
 }
 
-- 
2.13.0


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