From patchwork Fri Jan 11 11:36:57 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Janosch Frank X-Patchwork-Id: 1023530 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.ibm.com Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 43bgq80MnXz9sCX for ; Fri, 11 Jan 2019 22:38:26 +1100 (AEDT) Received: from localhost ([127.0.0.1]:49206 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ghv8q-00069g-3Y for incoming@patchwork.ozlabs.org; Fri, 11 Jan 2019 06:38:24 -0500 Received: from eggs.gnu.org ([209.51.188.92]:35436) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ghv8C-00067P-Qq for qemu-devel@nongnu.org; Fri, 11 Jan 2019 06:37:45 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ghv8C-0000V3-5P for qemu-devel@nongnu.org; Fri, 11 Jan 2019 06:37:44 -0500 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:42872 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ghv8B-0000Uv-UM for qemu-devel@nongnu.org; Fri, 11 Jan 2019 06:37:44 -0500 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id x0BBNn38000981 for ; Fri, 11 Jan 2019 06:37:43 -0500 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0b-001b2d01.pphosted.com with ESMTP id 2pxsh52yqy-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Fri, 11 Jan 2019 06:37:43 -0500 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 11 Jan 2019 11:37:37 -0000 Received: from d06av26.portsmouth.uk.ibm.com (d06av26.portsmouth.uk.ibm.com [9.149.105.62]) by b06cxnps4074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x0BBbamj52560098 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 11 Jan 2019 11:37:36 GMT Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A6ED0AE04D; Fri, 11 Jan 2019 11:37:36 +0000 (GMT) Received: from d06av26.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E9CEBAE056; Fri, 11 Jan 2019 11:37:35 +0000 (GMT) Received: from s38lp20.lnxne.boe (unknown [9.145.47.158]) by d06av26.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 11 Jan 2019 11:37:35 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Date: Fri, 11 Jan 2019 12:36:57 +0100 X-Mailer: git-send-email 2.14.3 In-Reply-To: <20190111113657.66195-1-frankja@linux.ibm.com> References: <20190111113657.66195-1-frankja@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19011111-0008-0000-0000-000002AF7236 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19011111-0009-0000-0000-0000221B7BEE Message-Id: <20190111113657.66195-3-frankja@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-01-11_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=870 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1901110096 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [PATCH 2/2] s390x: Return specification exception for unimplemented diag 308 subcodes 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: borntraeger@de.ibm.com, qemu-s390x@nongnu.org, cohuck@redhat.com, qemu-stable@nongnu.org, david@redhat.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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 Reviewed-by: Christian Borntraeger Reviewed-by: David Hildenbrand --- 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 cfd7222ddd..c28cf1d9f1 100644 --- a/target/s390x/diag.c +++ b/target/s390x/diag.c @@ -132,7 +132,7 @@ out: } return; default: - hw_error("Unhandled diag308 subcode %" PRIx64, subcode); + s390_program_interrupt(env, PGM_SPECIFICATION, ILEN_AUTO, ra); break; } }