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Fri, 19 Jun 2020 08:11:41 GMT Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B035BA4068; Fri, 19 Jun 2020 08:12:59 +0000 (GMT) Received: from b06wcsmtp001.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1504CA405F; Fri, 19 Jun 2020 08:12:59 +0000 (GMT) Received: from localhost.localdomain (unknown [9.145.7.233]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Fri, 19 Jun 2020 08:12:59 +0000 (GMT) Subject: Re: [PATCH v3 1/8] s390/sclp: get machine once during read scp/cpu info To: Collin Walling , qemu-devel@nongnu.org, qemu-s390x@nongnu.org References: <20200618222258.23287-1-walling@linux.ibm.com> <20200618222258.23287-2-walling@linux.ibm.com> From: Janosch Frank Autocrypt: addr=frankja@linux.ibm.com; prefer-encrypt=mutual; keydata= mQINBFubpD4BEADX0uhkRhkj2AVn7kI4IuPY3A8xKat0ihuPDXbynUC77mNox7yvK3X5QBO6 qLqYr+qrG3buymJJRD9xkp4mqgasHdB5WR9MhXWKH08EvtvAMkEJLnqxgbqf8td3pCQ2cEpv 15mH49iKSmlTcJ+PvJpGZcq/jE42u9/0YFHhozm8GfQdb9SOI/wBSsOqcXcLTUeAvbdqSBZe zuMRBivJQQI1esD9HuADmxdE7c4AeMlap9MvxvUtWk4ZJ/1Z3swMVCGzZb2Xg/9jZpLsyQzb lDbbTlEeyBACeED7DYLZI3d0SFKeJZ1SUyMmSOcr9zeSh4S4h4w8xgDDGmeDVygBQZa1HaoL Esb8Y4avOYIgYDhgkCh0nol7XQ5i/yKLtnNThubAcxNyryw1xSstnKlxPRoxtqTsxMAiSekk 0m3WJwvwd1s878HrQNK0orWd8BzzlSswzjNfQYLF466JOjHPWFOok9pzRs+ucrs6MUwDJj0S cITWU9Rxb04XyigY4XmZ8dywaxwi2ZVTEg+MD+sPmRrTw+5F+sU83cUstuymF3w1GmyofgsU Z+/ldjToHnq21MNa1wx0lCEipCCyE/8K9B9bg9pUwy5lfx7yORP3JuAUfCYb8DVSHWBPHKNj HTOLb2g2UT65AjZEQE95U2AY9iYm5usMqaWD39pAHfhC09/7NQARAQABtCVKYW5vc2NoIEZy YW5rIDxmcmFua2phQGxpbnV4LmlibS5jb20+iQI3BBMBCAAhBQJbm6Q+AhsjBQsJCAcCBhUI CQoLAgQWAgMBAh4BAheAAAoJEONU5rjiOLn4p9gQALjkdj5euJVI2nNT3/IAxAhQSmRhPEt0 AmnCYnuTcHRWPujNr5kqgtyER9+EMQ0ZkX44JU2q7OWxTdSNSAN/5Z7qmOR9JySvDOf4d3mS bMB5zxL9d8SbnSs1uW96H9ZBTlTQnmLfsiM9TetAjSrR8nUmjGhe2YUhJLR1v1LguME+YseT eXnLzIzqqpu311/eYiiIGcmaOjPCE+vFjcXL5oLnGUE73qSYiujwhfPCCUK0850o1fUAYq5p CNBCoKT4OddZR+0itKc/cT6NwEDwdokeg0+rAhxb4Rv5oFO70lziBplEjOxu3dqgIKbHbjza EXTb+mr7VI9O4tTdqrwJo2q9zLqqOfDBi7NDvZFLzaCewhbdEpDYVu6/WxprAY94hY3F4trT rQMHJKQENtF6ZTQc9fcT5I3gAmP+OEvDE5hcTALpWm6Z6SzxO7gEYCnF+qGXqp8sJVrweMub UscyLqHoqdZC2UG4LQ1OJ97nzDpIRe0g6oJ9ZIYHKmfw5jjwH6rASTld5MFWajWdNsqK15k/ RZnHAGICKVIBOBsq26m4EsBlfCdt3b/6emuBjUXR1pyjHMz2awWzCq6/6OWs5eANZ0sdosNq dq2v0ULYTazJz2rlCXV89qRa7ukkNwdBSZNEwsD4eEMicj1LSrqWDZMAALw50L4jxaMD7lPL jJbauQINBFubpD4BEADAcUTRqXF/aY53OSH7IwIK9lFKxIm0IoFkOEh7LMfp7FGzaP7ANrZd cIzhZi38xyOkcaFY+npGEWvko7rlIAn0JpBO4x3hfhmhBD/WSY8LQIFQNNjEm3vzrMo7b9Jb JAqQxfbURY3Dql3GUzeWTG9uaJ00u+EEPlY8zcVShDltIl5PLih20e8xgTnNzx5c110lQSu0 iZv2lAE6DM+2bJQTsMSYiwKlwTuv9LI9Chnoo6+tsN55NqyMxYqJgElk3VzlTXSr3+rtSCwf tq2cinETbzxc1XuhIX6pu/aCGnNfuEkM34b7G1D6CPzDMqokNFbyoO6DQ1+fW6c5gctXg/lZ 602iEl4C4rgcr3+EpfoPUWzKeM8JXv5Kpq4YDxhvbitr8Dm8gr38+UKFZKlWLlwhQ56r/zAU v6LIsm11GmFs2/cmgD1bqBTNHHcTWwWtRTLgmnqJbVisMJuYJt4KNPqphTWsPY8SEtbufIlY HXOJ2lqUzOReTrie2u0qcSvGAbSfec9apTFl2Xko/ddqPcZMpKhBiXmY8tJzSPk3+G4tqur4 6TYAm5ouitJsgAR61Cu7s+PNuq/pTLDhK+6/Njmc94NGBcRA4qTuysEGE79vYWP2oIAU4Fv6 gqaWHZ4MEI2XTqH8wiwzPdCQPYsSE0fXWiYu7ObeErT6iLSTZGx4rQARAQABiQIfBBgBCAAJ BQJbm6Q+AhsMAAoJEONU5rjiOLn4DDEP/RuyckW65SZcPG4cMfNgWxZF8rVjeVl/9PBfy01K 8R0hajU40bWtXSMiby7j0/dMjz99jN6L+AJHJvrLz4qYRzn2Ys843W+RfXj62Zde4YNBE5SL jJweRCbMWKaJLj6499fctxTyeb9+AMLQS4yRSwHuAZLmAb5AyCW1gBcTWZb8ON5BmWnRqeGm IgC1EvCnHy++aBnHTn0m+zV89BhTLTUal35tcjUFwluBY39R2ux/HNlBO1GY3Z+WYXhBvq7q katThLjaQSmnOrMhzqYmdShP1leFTVbzXUUIYv/GbynO/YrL2gaQpaP1bEUEi8lUAfXJbEWG dnHFkciryi092E8/9j89DJg4mmZqOau7TtUxjRMlBcIliXkzSLUk+QvD4LK1kWievJse4mte FBdkWHfP4BH/+8DxapRcG1UAheSnSRQ5LiO50annOB7oXF+vgKIaie2TBfZxQNGAs3RQ+bga DchCqFm5adiSP5+OT4NjkKUeGpBe/aRyQSle/RropTgCi85pje/juYEn2P9UAgkfBJrOHvQ9 Z+2Sva8FRd61NJLkCJ4LFumRn9wQlX2icFbi8UDV3do0hXJRRYTWCxrHscMhkrFWLhYiPF4i phX7UNdOWBQ90qpHyAxHmDazdo27gEjfvsgYMdveKknEOTEb5phwxWgg7BcIDoJf9UMC Message-ID: <31efc0f1-c8dd-028f-237b-1fb09f3f6ab5@linux.ibm.com> Date: Fri, 19 Jun 2020 10:12:58 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200618222258.23287-2-walling@linux.ibm.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="6m9XUncMH09oHAAurL72h4B5WvLOuPFIG" X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-19_04:2020-06-18, 2020-06-19 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 cotscore=-2147483648 spamscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 bulkscore=0 mlxlogscore=999 mlxscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 adultscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006190054 Received-SPF: pass client-ip=148.163.158.5; envelope-from=frankja@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/19 04:13:05 X-ACL-Warn: Detected OS = Linux 3.x [generic] X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action 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: thuth@redhat.com, mst@redhat.com, cohuck@redhat.com, david@redhat.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, svens@linux.ibm.com, pbonzini@redhat.com, mihajlov@linux.ibm.com, rth@twiddle.net Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --6m9XUncMH09oHAAurL72h4B5WvLOuPFIG Content-Type: multipart/mixed; boundary="Cdx3O2s6tvgna9ljjDO1d39GfgXyGvLRp" --Cdx3O2s6tvgna9ljjDO1d39GfgXyGvLRp Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 6/19/20 12:22 AM, Collin Walling wrote: > Functions within read scp/cpu info will need access to the machine > state. Let's make a call to retrieve the machine state once and > pass the appropriate data to the respective functions. >=20 > Signed-off-by: Collin Walling > Reviewed-by: David Hildenbrand > Reviewed-by: Thomas Huth Reviewed-by: Janosch Frank > --- > hw/s390x/sclp.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) >=20 > diff --git a/hw/s390x/sclp.c b/hw/s390x/sclp.c > index 20aca30ac4..7875334037 100644 > --- a/hw/s390x/sclp.c > +++ b/hw/s390x/sclp.c > @@ -49,9 +49,8 @@ static inline bool sclp_command_code_valid(uint32_t c= ode) > return false; > } > =20 > -static void prepare_cpu_entries(SCLPDevice *sclp, CPUEntry *entry, int= *count) > +static void prepare_cpu_entries(MachineState *ms, CPUEntry *entry, int= *count) > { > - MachineState *ms =3D MACHINE(qdev_get_machine()); > uint8_t features[SCCB_CPU_FEATURE_LEN] =3D { 0 }; > int i; > =20 > @@ -77,7 +76,7 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB *scc= b) > IplParameterBlock *ipib =3D s390_ipl_get_iplb(); > =20 > /* CPU information */ > - prepare_cpu_entries(sclp, read_info->entries, &cpu_count); > + prepare_cpu_entries(machine, read_info->entries, &cpu_count); > read_info->entries_cpu =3D cpu_to_be16(cpu_count); > read_info->offset_cpu =3D cpu_to_be16(offsetof(ReadInfo, entries))= ; > read_info->highest_cpu =3D cpu_to_be16(machine->smp.max_cpus - 1);= > @@ -132,10 +131,11 @@ static void read_SCP_info(SCLPDevice *sclp, SCCB = *sccb) > /* Provide information about the CPU */ > static void sclp_read_cpu_info(SCLPDevice *sclp, SCCB *sccb) > { > + MachineState *machine =3D MACHINE(qdev_get_machine()); > ReadCpuInfo *cpu_info =3D (ReadCpuInfo *) sccb; > int cpu_count; > =20 > - prepare_cpu_entries(sclp, cpu_info->entries, &cpu_count); > + prepare_cpu_entries(machine, cpu_info->entries, &cpu_count); > cpu_info->nr_configured =3D cpu_to_be16(cpu_count); > cpu_info->offset_configured =3D cpu_to_be16(offsetof(ReadCpuInfo, = entries)); > cpu_info->nr_standby =3D cpu_to_be16(0); >=20 --Cdx3O2s6tvgna9ljjDO1d39GfgXyGvLRp-- --6m9XUncMH09oHAAurL72h4B5WvLOuPFIG Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEwGNS88vfc9+v45Yq41TmuOI4ufgFAl7sc4oACgkQ41TmuOI4 ufi6aBAAy7w57/dRc0XYM2HjOnc+Xqtc1NsDVYhRufLR/VyBISAvPbNf7aN7uWak dcP9eUu+Q37uIlN2spSrcXIZcWSem3Q71cSEWCn1Y6t/bZf/slZioQDNKIQSCY5L EvRQpVGbUDlE5bVDYpbEeRbzOdV5MCUnpZEnHtnF5JDP2FzQrSHR9k9NZRaOa4PA EzP9YIW+7lZR1dRtr4grPWqe2op5Xv0tNiNJnXSZOYmJrEQEHkI3WIeOxbgGiA1h ZB0vTuG6nknAT2d/Pz3Cc7jxFuC1JI6pq43wnINmmh3oFaGo/CvDV4eaHX7POoyM lcWcEqV49/FqpoF75npsbms7HOqSJuTE1GAR/hYOQX0duUXU9eCyMQQGFn01C5K/ /EqK26WjjxmzciIcINgfSnyXML9xrX+mQ68Q0HKVwtIn3edUSmh1KgVlSZx0FSYB 30tQdqCj+yOTwEBsb7o2ujAPxriUKMuz0L6LMETiInlDa6ScEBRugl98zH2VYo7q 88PexIL9YK2HdHGN6TRu7s58jrOSdd7I2rsf2spq+IyN688bKiG1ynBkhw85Gh2K zdOkENifhUfZ3tbHZHq5P09Gs0yPZhhlwZalNNv27gbqAjGC45ebrAV+O1O+dfh7 ySw3nLqr8PAuExyS7P1sC0F+59pmohzBgZ6l/XjjY47OEWp68L4= =XDMJ -----END PGP SIGNATURE----- --6m9XUncMH09oHAAurL72h4B5WvLOuPFIG--