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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 28 Nov 2019 14:45:52 -0000 Received: from b06wcsmtp001.portsmouth.uk.ibm.com (b06wcsmtp001.portsmouth.uk.ibm.com [9.149.105.160]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xASEjpSC52232394 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 28 Nov 2019 14:45:51 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4C918A405F; Thu, 28 Nov 2019 14:45:51 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0E2D8A405C; Thu, 28 Nov 2019 14:45:51 +0000 (GMT) Received: from oc7455500831.ibm.com (unknown [9.152.224.168]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 28 Nov 2019 14:45:50 +0000 (GMT) Subject: Re: [PATCH v1 1/1] pc-bios/s390-ccw: fix sclp_get_loadparm_ascii To: Cornelia Huck , Thomas Huth References: <1574944437-31182-1-git-send-email-imbrenda@linux.ibm.com> <52e295af-3b34-6cb7-ba52-a26ae70aebcd@de.ibm.com> <5f3f505a-7bcd-d8ee-a4df-c9bf658955af@redhat.com> <20191128141603.7286e288.cohuck@redhat.com> From: Christian Borntraeger Autocrypt: addr=borntraeger@de.ibm.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.0 MIME-Version: 1.0 In-Reply-To: <20191128141603.7286e288.cohuck@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 19112814-0008-0000-0000-000003396D61 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19112814-0009-0000-0000-00004A5879FC Message-Id: <480dfe49-2556-c783-b1d4-259734434159@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-11-28_03:2019-11-28,2019-11-28 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 impostorscore=0 phishscore=0 adultscore=0 mlxlogscore=999 malwarescore=0 mlxscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1911280127 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 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: qemu-s390x@nongnu.org, Claudio Imbrenda , david@redhat.com, qemu-devel@nongnu.org, frankja@linux.ibm.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 28.11.19 14:16, Cornelia Huck wrote: > On Thu, 28 Nov 2019 14:11:38 +0100 > Thomas Huth wrote: > >> On 28/11/2019 13.35, Christian Borntraeger wrote: >>> Ack. >>> >>> Conny, I think this would be really nice to have for 4.2 (together with a bios rebuild) >>> as this fixes a regression. Opinions? >> >> If we do another rc of 4.2, I think we definitely want this to be >> included, otherwise quite a bunch of things don't work anymore as >> expected, e.g. "-boot menu=on"... > > I do agree we want this if possible; the question is really the > "possible" part... Given the issues that we see without that fix, I think this would qualify do an rc4 (or even to apply it on top of rc3 to become 4.2) Maybe just do a pull request? > >> >>>> diff --git a/pc-bios/s390-ccw/sclp.c b/pc-bios/s390-ccw/sclp.c >>>> index c0223fa..7251f9a 100644 >>>> --- a/pc-bios/s390-ccw/sclp.c >>>> +++ b/pc-bios/s390-ccw/sclp.c >>>> @@ -112,7 +112,7 @@ void sclp_get_loadparm_ascii(char *loadparm) >>>> ReadInfo *sccb = (void *)_sccb; >>>> >>>> memset((char *)_sccb, 0, sizeof(ReadInfo)); >>>> - sccb->h.length = sizeof(ReadInfo); >>>> + sccb->h.length = SCCB_SIZE; >>>> if (!sclp_service_call(SCLP_CMDW_READ_SCP_INFO, sccb)) { >>>> ebcdic_to_ascii((char *) sccb->loadparm, loadparm, LOADPARM_LEN); >>>> } >> >> I gave it a quick try, and this fixes "-boot menu=on" for me, so: >> >> Tested-by: Thomas Huth > > Thanks. > > FWIW, I'm currently working to put this + the rebuild on my s390-fixes > branch. >