[SPARC64]: Run ctrl-alt-del action for sun4v powerdown request.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 1 deletions

diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index ec7a60142bec..ad67784292db 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -10,7 +10,7 @@
  */
 
 #include <linux/module.h>
-#include <linux/sched.h>  /* for jiffies */
+#include <linux/sched.h>
 #include <linux/kernel.h>
 #include <linux/kallsyms.h>
 #include <linux/signal.h>
@@ -1873,6 +1873,16 @@ void sun4v_resum_error(struct pt_regs *regs, unsigned long offset)
 
         put_cpu();
 
+        if (ent->err_type == SUN4V_ERR_TYPE_WARNING_RES) {
+                /* If err_type is 0x4, it's a powerdown request.  Do
+                 * not do the usual resumable error log because that
+                 * makes it look like some abnormal error.
+                 */
+                printk(KERN_INFO "Power down request...\n");
+                kill_cad_pid(SIGINT, 1);
+                return;
+        }
+
         sun4v_log_error(regs, &local_copy, cpu,
                         KERN_ERR "RESUMABLE ERROR",
                         &sun4v_resum_oflow_cnt);