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authorChristian Borntraeger <borntraeger@de.ibm.com>2017-12-19 09:28:07 +0100
committerCornelia Huck <cohuck@redhat.com>2018-01-22 11:04:52 +0100
commite2d9f902378cc0b8de9bacfc9406e6c63bc236d7 (patch)
tree89c430b420a5a33690cee45a59d8aebc3196de15
parentb384cd95eb9c6f73ad84ed1bb0717a26e29cc78f (diff)
downloadfocaccia-qemu-e2d9f902378cc0b8de9bacfc9406e6c63bc236d7.tar.gz
focaccia-qemu-e2d9f902378cc0b8de9bacfc9406e6c63bc236d7.zip
s390x/sclp: fixup highest CPU address
The highest cpu address is not the same as max_cpus. max_cpus
counts from 1 while the cpu address starts at 0.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Message-Id: <20171219082807.84494-1-borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
-rw-r--r--hw/s390x/sclp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c
index 9be0cb80ad..21351ffffc 100644
--- a/hw/s390x/sclp.c
+++ b/hw/s390x/sclp.c
@@ -67,7 +67,7 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)
     prepare_cpu_entries(sclp, read_info->entries, &cpu_count);
     read_info->entries_cpu = cpu_to_be16(cpu_count);
     read_info->offset_cpu = cpu_to_be16(offsetof(ReadInfo, entries));
-    read_info->highest_cpu = cpu_to_be16(max_cpus);
+    read_info->highest_cpu = cpu_to_be16(max_cpus - 1);
 
     read_info->ibc_val = cpu_to_be32(s390_get_ibc_val());