From patchwork Wed Nov 13 12:23:18 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pierre Morel X-Patchwork-Id: 11241793 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CB24F1850 for ; Wed, 13 Nov 2019 12:23:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B7083222CD for ; Wed, 13 Nov 2019 12:23:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727196AbfKMMX1 (ORCPT ); Wed, 13 Nov 2019 07:23:27 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:1968 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726449AbfKMMX0 (ORCPT ); Wed, 13 Nov 2019 07:23:26 -0500 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id xADCIEWL118425 for ; Wed, 13 Nov 2019 07:23:26 -0500 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0a-001b2d01.pphosted.com with ESMTP id 2w8gg5kdj7-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 13 Nov 2019 07:23:25 -0500 Received: from localhost by e06smtp04.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 13 Nov 2019 12:23:23 -0000 Received: from b06cxnps3075.portsmouth.uk.ibm.com (9.149.109.195) by e06smtp04.uk.ibm.com (192.168.101.134) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 13 Nov 2019 12:23:22 -0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xADCNLYs50593828 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 13 Nov 2019 12:23:21 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1CB624C052; Wed, 13 Nov 2019 12:23:21 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id D21434C050; Wed, 13 Nov 2019 12:23:20 +0000 (GMT) Received: from oc3016276355.ibm.com (unknown [9.152.222.55]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 13 Nov 2019 12:23:20 +0000 (GMT) From: Pierre Morel To: kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, frankja@linux.ibm.com, david@redhat.com, thuth@redhat.com Subject: [PATCH v1 3/4] s390x:irq: make IRQ handler weak Date: Wed, 13 Nov 2019 13:23:18 +0100 X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1573647799-30584-1-git-send-email-pmorel@linux.ibm.com> References: <1573647799-30584-1-git-send-email-pmorel@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19111312-0016-0000-0000-000002C34919 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19111312-0017-0000-0000-00003324E434 Message-Id: <1573647799-30584-4-git-send-email-pmorel@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-11-13_03:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=2 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=2 clxscore=1015 lowpriorityscore=0 mlxscore=2 impostorscore=0 mlxlogscore=160 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1910280000 definitions=main-1911130116 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Having a weak function allows the tests programm to declare its own IRQ handler. This is helpfull when developping I/O tests. Reviewed-by: Thomas Huth --- lib/s390x/interrupt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/s390x/interrupt.c b/lib/s390x/interrupt.c index 7aecfc5..0049194 100644 --- a/lib/s390x/interrupt.c +++ b/lib/s390x/interrupt.c @@ -140,7 +140,7 @@ void handle_mcck_int(sregs_t *regs) lc->mcck_old_psw.addr); } -void handle_io_int(sregs_t *regs) +__attribute__((weak)) void handle_io_int(sregs_t *regs) { report_abort("Unexpected io interrupt: at %#lx", lc->io_old_psw.addr);