From: Christian Borntraeger <borntraeger@de.ibm.com>
Date: Mon, 7 Jan 2013 14:51:52 +0000 (+0100)
Subject: KVM: s390: Gracefully handle busy conditions on ccw_device_start
X-Git-Tag: v3.9-rc1~97^2~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b26ba22bb4f12289f9d5eb878c490e674934a197;p=pandora-kernel.git

KVM: s390: Gracefully handle busy conditions on ccw_device_start

In rare cases a virtio command might try to issue a ccw before a former
ccw was answered with a tsch. This will cause CC=2 (busy). Lets just
retry in that case.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
---

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