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Violators will be prosecuted; Wed, 30 Aug 2017 17:36:24 +0100 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v7UGaNkI16777376; Wed, 30 Aug 2017 16:36:23 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 64D8D52043; Wed, 30 Aug 2017 16:31:50 +0100 (BST) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.152.85.9]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTPS id 3703A5203F; Wed, 30 Aug 2017 16:31:50 +0100 (BST) From: Halil Pasic To: Cornelia Huck Date: Wed, 30 Aug 2017 18:36:03 +0200 X-Mailer: git-send-email 2.13.5 In-Reply-To: <20170830163609.50260-1-pasic@linux.vnet.ibm.com> References: <20170830163609.50260-1-pasic@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 17083016-0020-0000-0000-000003B26EAD X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17083016-0021-0000-0000-00004242C0A4 Message-Id: <20170830163609.50260-4-pasic@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-08-30_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1708300251 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH 3/9] s390x/css: be more consistent if broken beyond repair X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dong Jia Shi , Halil Pasic , Pierre Morel , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" If we detect that the internally manged state of the subchannel is broken beyond repair while in do_subchannel_work in case of virtual we just abort the operation and pretend all went well, while in case of pass-through we honor the situation with -ENODEV which results in cc 3 for the instruction whose handler triggered the call. Let's be consistent on this and do the -ENODEV also for virtual subchannels. Signed-off-by: Halil Pasic Acked-by: Pierre Morel --- hw/s390x/css.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 0822538cde..bc47bf5b20 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -1078,7 +1078,7 @@ int do_subchannel_work_virtual(SubchDev *sch) sch_handle_start_func_virtual(sch); } else { /* Cannot happen. */ - return 0; + return -ENODEV; } css_inject_io_interrupt(sch); return 0; --=20 2.13.5