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[v4,20/30] s390x/kvm: allow runtime-instrumentation for "none" machine

Message ID 20160905085244.99980-21-dahi@linux.vnet.ibm.com (mailing list archive)
State New, archived
Headers show

Commit Message

David Hildenbrand Sept. 5, 2016, 8:52 a.m. UTC 
To be able to query the correct host model for the "none" machine,
let's allow runtime-instrumentation for that machine.

Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
---
 hw/s390x/s390-virtio-ccw.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 91d9cef..f7dd2c8 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -249,6 +249,11 @@  bool ri_allowed(void)
 
             return s390mc->ri_allowed;
         }
+        /*
+         * Make sure the "none" machine can have ri, otherwise it won't * be
+         * unlocked in KVM and therefore the host CPU model might be wrong.
+         */
+        return true;
     }
     return 0;
 }