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authorChristian Borntraeger <borntraeger@de.ibm.com>2013-02-22 09:01:32 +0000
committerAlexander Graf <agraf@suse.de>2013-03-08 21:17:46 +0100
commit38dd7cc776bbde7edbe60ba5d0abbd156e7e0f2f (patch)
tree20a39fe3dad1c6892b8c7dad8cbd09f48caadd41 /target-s390x/ioinst.c
parent35569cea79fd3f5ccb5b23ca024c7d3aa4d24e75 (diff)
downloadqemu-38dd7cc776bbde7edbe60ba5d0abbd156e7e0f2f.tar.gz
s390/css: Fix subchannel detection
We have to consider the m bit to find the real channel subsystem when determining the last subchannel. If we fail to take this into account, removal of a subchannel in the middle of a big list of devices will stop device detection after a reboot. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'target-s390x/ioinst.c')
-rw-r--r--target-s390x/ioinst.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/target-s390x/ioinst.c b/target-s390x/ioinst.c
index e3531f365e..28c508d541 100644
--- a/target-s390x/ioinst.c
+++ b/target-s390x/ioinst.c
@@ -316,7 +316,7 @@ int ioinst_handle_stsch(CPUS390XState *env, uint64_t reg1, uint32_t ipb)
cc = 3;
}
} else {
- if (css_schid_final(cssid, ssid, schid)) {
+ if (css_schid_final(m, cssid, ssid, schid)) {
cc = 3; /* No more subchannels in this css/ss */
} else {
/* Store an empty schib. */