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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Fri, 13 Mar 2020 07:39:32 -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 02D7dWJD63176840 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 13 Mar 2020 07:39:32 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EAFC5A405F; Fri, 13 Mar 2020 07:39:31 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 6C0D9A405B; Fri, 13 Mar 2020 07:39:31 +0000 (GMT) Received: from oc7455500831.ibm.com (unknown [9.152.224.119]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 13 Mar 2020 07:39:31 +0000 (GMT) Subject: Re: [PATCH v9 13/15] s390x: protvirt: Handle SIGP store status correctly To: Janosch Frank , qemu-devel@nongnu.org References: <20200311132151.172389-1-frankja@linux.ibm.com> <20200311132151.172389-14-frankja@linux.ibm.com> From: Christian Borntraeger Autocrypt: addr=borntraeger@de.ibm.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 20031307-0008-0000-0000-0000035C7D4A X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20031307-0009-0000-0000-00004A7DC96E Message-Id: <31082618-8c87-db32-8421-de78fa97c959@de.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.572 definitions=2020-03-13_03:2020-03-11, 2020-03-13 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 priorityscore=1501 mlxscore=0 spamscore=0 suspectscore=0 clxscore=1015 adultscore=0 bulkscore=0 phishscore=0 mlxlogscore=966 malwarescore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003130041 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] 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, cohuck@redhat.com, david@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 12.03.20 17:13, Janosch Frank wrote: > On 3/12/20 4:51 PM, Christian Borntraeger wrote: >> On 11.03.20 14:21, Janosch Frank wrote: >>> For protected VMs status storing is not done by QEMU anymore. >>> >>> Signed-off-by: Janosch Frank >>> Reviewed-by: Thomas Huth >>> Reviewed-by: David Hildenbrand >> >> >>> --- >>> target/s390x/helper.c | 6 ++++++ >>> 1 file changed, 6 insertions(+) >>> >>> diff --git a/target/s390x/helper.c b/target/s390x/helper.c >>> index ed726849114f2f35..5022df8812d406c9 100644 >>> --- a/target/s390x/helper.c >>> +++ b/target/s390x/helper.c >>> @@ -25,6 +25,7 @@ >>> #include "qemu/timer.h" >>> #include "qemu/qemu-print.h" >>> #include "hw/s390x/ioinst.h" >>> +#include "hw/s390x/pv.h" >>> #include "sysemu/hw_accel.h" >>> #include "sysemu/runstate.h" >>> #ifndef CONFIG_USER_ONLY >>> @@ -246,6 +247,11 @@ int s390_store_status(S390CPU *cpu, hwaddr addr, bool store_arch) >>> hwaddr len = sizeof(*sa); >>> int i; >>> >>> + /* Storing will occur on next SIE entry for protected VMs */ >> >> Maybe ... next SIE entry of the sending CPU .... >> ? > > Well that would be the current cpu, right? > So: > /* For PVMs storing will occur when this cpu enters SIE again */ ack.