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From 680154545d1f9d75fb33615b1900661e7d09be4e Mon Sep 17 00:00:00 2001
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From: Thomas Huth <thuth@redhat.com>
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Date: Fri, 29 May 2020 05:54:15 -0400
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Subject: [PATCH 33/42] s390x: protvirt: Handle SIGP store status correctly
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RH-Author: Thomas Huth <thuth@redhat.com>
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Message-id: <20200529055420.16855-34-thuth@redhat.com>
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Patchwork-id: 97054
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O-Subject: [RHEL-8.3.0 qemu-kvm PATCH v2 33/38] s390x: protvirt: Handle SIGP store status correctly
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Bugzilla: 1828317
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RH-Acked-by: Claudio Imbrenda <cimbrend@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: David Hildenbrand <david@redhat.com>
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From: Janosch Frank <frankja@linux.ibm.com>
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For protected VMs status storing is not done by QEMU anymore.
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Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
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Reviewed-by: Thomas Huth <thuth@redhat.com>
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Reviewed-by: David Hildenbrand <david@redhat.com>
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Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
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Reviewed-by: Cornelia Huck <cohuck@redhat.com>
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Message-Id: <20200319131921.2367-15-frankja@linux.ibm.com>
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Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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(cherry picked from commit f2a2d9a2bae8f6fdc5e9a40c1241e9428f15b4df)
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[thuth: fixed contextual conflict due to missing commit 44eaccd091a7365fd37)
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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target/s390x/helper.c | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/target/s390x/helper.c b/target/s390x/helper.c
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index 6808dfda01..36b6d3d9d1 100644
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--- a/target/s390x/helper.c
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+++ b/target/s390x/helper.c
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@@ -25,6 +25,7 @@
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#include "qemu/timer.h"
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#include "qemu/qemu-print.h"
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#include "hw/s390x/ioinst.h"
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+#include "hw/s390x/pv.h"
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#include "sysemu/hw_accel.h"
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#include "sysemu/runstate.h"
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#ifndef CONFIG_USER_ONLY
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@@ -246,6 +247,11 @@ int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch)
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hwaddr len = sizeof(*sa);
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int i;
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+ /* For PVMs storing will occur when this cpu enters SIE again */
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+ if (s390_is_pv()) {
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+ return 0;
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+ }
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+
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sa = cpu_physical_memory_map(addr, &len, 1);
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if (!sa) {
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return -EFAULT;
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--
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2.27.0
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