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Tue, 23 Jul 2019 17:01:29 +0000 (GMT) Received: from localhost (unknown [9.53.179.212]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Tue, 23 Jul 2019 17:01:29 +0000 (GMT) From: Michael Roth To: qemu-devel@nongnu.org Date: Tue, 23 Jul 2019 12:00:36 -0500 Message-Id: <20190723170104.4327-9-mdroth@linux.vnet.ibm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190723170104.4327-1-mdroth@linux.vnet.ibm.com> References: <20190723170104.4327-1-mdroth@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-07-23_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1907230170 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH 08/36] s390x: Return specification exception for unimplemented diag 308 subcodes X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Cornelia Huck , qemu-stable@nongnu.org, Janosch Frank Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Janosch Frank The architecture specifies specification exceptions for all unavailable subcodes. The presence of subcodes is indicated by checking some query subcode. For example 6 will indicate that 3-6 are available. So future systems might call new subcodes to check for new features. This should not trigger a hw error, instead we return the architectured specification exception. Signed-off-by: Janosch Frank Cc: qemu-stable@nongnu.org Message-Id: <20190111113657.66195-3-frankja@linux.ibm.com> Reviewed-by: Christian Borntraeger Reviewed-by: David Hildenbrand Signed-off-by: Cornelia Huck (cherry picked from commit 37dbd1f4d4805edcd18d94eb202bb3461b3cd52d) Signed-off-by: Michael Roth --- target/s390x/diag.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/s390x/diag.c b/target/s390x/diag.c index acb0f3d4af..aafa740f61 100644 --- a/target/s390x/diag.c +++ b/target/s390x/diag.c @@ -130,7 +130,7 @@ out: } return; default: - hw_error("Unhandled diag308 subcode %" PRIx64, subcode); + s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra); break; } } --=20 2.17.1