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From 26c80458360dfd14a97a7f5823ad578ebcdffd87 Mon Sep 17 00:00:00 2001
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From: Thomas Huth <thuth@redhat.com>
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Date: Mon, 9 Oct 2017 12:32:47 +0200
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Subject: [PATCH 28/34] s390x/sclp: Mark the sclp device with user_creatable =
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false
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RH-Author: Thomas Huth <thuth@redhat.com>
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Message-id: <1507552368-9245-12-git-send-email-thuth@redhat.com>
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Patchwork-id: 77029
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O-Subject: [RHEL-7.5 qemu-kvm-ma PATCH 11/12] s390x/sclp: Mark the sclp device with user_creatable = false
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Bugzilla: 1492033
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: David Gibson <dgibson@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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The "sclp" device is just an internal device that can not be instantiated
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by the users. If they try to use it, they only get a simple error message:
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$ qemu-system-s390x -nographic -device sclp
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qemu-system-s390x: Option '-device s390-sclp-event-facility' cannot be
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handled by this machine
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Since sclp_init() tries to create a TYPE_SCLP_EVENT_FACILITY which is
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a non-pluggable sysbus device, there is really no way that the "sclp"
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device can be used by the user, so let's set the user_creatable = false
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accordingly.
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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Message-Id: <1507125199-22562-1-git-send-email-thuth@redhat.com>
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Reviewed-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
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Reviewed-by: Farhan Ali <alifm@linux.vnet.ibm.com>
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Acked-by: Halil Pasic <pasic@linux.vnet.ibm.com>
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Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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(cherry picked from commit e6cb60bf158fe7ea4505d760fdbb7abe4dbf4362)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/s390x/sclp.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
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index 9253dbb..b94ce0c 100644
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--- a/hw/s390x/sclp.c
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+++ b/hw/s390x/sclp.c
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@@ -584,6 +584,11 @@ static void sclp_class_init(ObjectClass *oc, void *data)
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dc->realize = sclp_realize;
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dc->hotpluggable = false;
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set_bit(DEVICE_CATEGORY_MISC, dc->categories);
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+ /*
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+ * Reason: Creates TYPE_SCLP_EVENT_FACILITY in sclp_init
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+ * which is a non-pluggable sysbus device
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+ */
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+ dc->user_creatable = false;
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sc->read_SCP_info = read_SCP_info;
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sc->read_storage_element0_info = read_storage_element0_info;
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--
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1.8.3.1
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