From d5cb49fb72d8a62433b350ccb18b0f86e11b78d1 Mon Sep 17 00:00:00 2001
From: David Vrabel <david.vrabel@citrix.com>
Date: Tue, 12 Nov 2013 11:46:06 +0100
Subject: [PATCH] kexec crash image when dom0 crashes

Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Tested-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Don Slutz <dslutz@verizon.com>
Tested-by: Don Slutz <dslutz@verizon.com>
Acked-by: Keir Fraser <keir@xen.org>
---
 xen/common/kexec.c    | 2 ++
 xen/common/shutdown.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/xen/common/kexec.c b/xen/common/kexec.c
index c5450bae2f..9999babce6 100644
--- a/xen/common/kexec.c
+++ b/xen/common/kexec.c
@@ -305,6 +305,8 @@ void kexec_crash(void)
     if ( !test_bit(KEXEC_IMAGE_CRASH_BASE + pos, &kexec_flags) )
         return;
 
+    printk("Executing crash image\n");
+
     kexecing = TRUE;
 
     kexec_common_shutdown();
diff --git a/xen/common/shutdown.c b/xen/common/shutdown.c
index 20f04b0787..9bccd34d8a 100644
--- a/xen/common/shutdown.c
+++ b/xen/common/shutdown.c
@@ -47,6 +47,9 @@ void dom0_shutdown(u8 reason)
     {
         debugger_trap_immediate();
         printk("Domain 0 crashed: ");
+#ifdef CONFIG_KEXEC
+        kexec_crash();
+#endif
         maybe_reboot();
         break; /* not reached */
     }
-- 
2.30.2