Xen devel - Sep 2013 - [PATCH 5/9] xen: kexec crash image when dom0 crashes

From: David Vrabel <david.vrabel@citrix.com>

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>
---
 xen/common/kexec.c    |    2 ++
 xen/common/shutdown.c |    3 +++
 2 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/xen/common/kexec.c b/xen/common/kexec.c
index 5548c37..fe0424e 100644
--- a/xen/common/kexec.c
+++ b/xen/common/kexec.c
@@ -307,6 +307,8 @@ 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 20f04b0..9bccd34 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 */
     }
-- 
1.7.2.5