From 511638161566d4944a572a31d787eb27bbc0bc8e Mon Sep 17 00:00:00 2001
From: Thomas Huth <thuth@redhat.com>
Date: Fri, 29 May 2020 05:53:45 -0400
Subject: [PATCH 03/42] s390x: Don't do a normal reset on the initial cpu
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RH-Author: Thomas Huth <thuth@redhat.com>
Message-id: <20200529055420.16855-4-thuth@redhat.com>
Patchwork-id: 97017
O-Subject: [RHEL-8.3.0 qemu-kvm PATCH v2 03/38] s390x: Don't do a normal reset on the initial cpu
Bugzilla: 1828317
RH-Acked-by: Claudio Imbrenda <cimbrend@redhat.com>
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
RH-Acked-by: David Hildenbrand <david@redhat.com>

From: Janosch Frank <frankja@linux.ibm.com>

The initiating cpu needs to be reset with an initial reset. While
doing a normal reset followed by a initial reset is not wrong per se,
the Ultravisor will only allow the correct reset to be performed.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20191127175046.4911-2-frankja@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
(cherry picked from commit ec9227339fce99412830d44a37eb0bd2fadd5f75)
Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
---
 hw/s390x/s390-virtio-ccw.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index c2c83d2fce..4ea01c53c0 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -348,6 +348,9 @@ static void s390_machine_reset(MachineState *machine)
         break;
     case S390_RESET_LOAD_NORMAL:
         CPU_FOREACH(t) {
+            if (t == cs) {
+                continue;
+            }
             run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
         }
         subsystem_reset();
-- 
2.27.0

