qemu/s390x-protvirt-Handle-SIGP-store-status-.patch

From: Janosch Frank <frankja@linux.ibm.com>
Date: Tue, 6 Aug 2019 15:40:05 +0200
Subject: s390x: protvirt: Handle SIGP store status correctly

Git-commit: 398fc6874438c320407449d1c9560925aba2280b
References: bsc#1167075

For protected VMs status storing is not done by QEMU anymore.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Bruce Rogers <brogers@suse.com>
---
 target/s390x/helper.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/target/s390x/helper.c b/target/s390x/helper.c
index ed726849114f2f353471233f670b..09f60406aa33c938ff54a0dbda13 100644
--- a/target/s390x/helper.c
+++ b/target/s390x/helper.c
@@ -25,6 +25,7 @@
 #include "qemu/timer.h"
 #include "qemu/qemu-print.h"
 #include "hw/s390x/ioinst.h"
+#include "hw/s390x/pv.h"
 #include "sysemu/hw_accel.h"
 #include "sysemu/runstate.h"
 #ifndef CONFIG_USER_ONLY
@@ -246,6 +247,11 @@ int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch)
     hwaddr len = sizeof(*sa);
     int i;
 
+    /* For PVMs storing will occur when this cpu enters SIE again */
+    if (s390_is_pv()) {
+        return 0;
+    }
+
     sa = cpu_physical_memory_map(addr, &len, true);
     if (!sa) {
         return -EFAULT;