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Thu, 11 Jul 2024 20:33:27 +0000 Received: from smtpav04.wdc07v.mail.ibm.com (smtpav04.wdc07v.mail.ibm.com [10.39.53.231]) by smtprelay02.wdc07v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 46BKXPW522545000 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 11 Jul 2024 20:33:27 GMT Received: from smtpav04.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 394AB58045; Thu, 11 Jul 2024 20:33:25 +0000 (GMT) Received: from smtpav04.wdc07v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 3F42058056; Thu, 11 Jul 2024 20:33:24 +0000 (GMT) Received: from li-d664314c-3171-11b2-a85c-fa8047ef35bd.pok.ibm.com (unknown [9.12.68.85]) by smtpav04.wdc07v.mail.ibm.com (Postfix) with ESMTP; Thu, 11 Jul 2024 20:33:24 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=from :to:cc:subject:date:message-id:mime-version :content-transfer-encoding; s=pp1; bh=q2AIhYx9gmhXlsw9rjz+02bCMo Q44nwyVypLWboruPw=; b=eQgT1x6dT68CvUJJW/krTgCYCiTG5ZxDVwomijq/el 9zq7FFvydAulsfhrqTliJLCi06VwZJWaSPuvk3DJ7XnxJIsRTO/027jSgSskhY+x tGCuh4AhFrSXtqfTgzXAEF2DqEJdMYQvDG8BZv3TcKRDsNVsdqMYZgyLpCy6mmQU zC00LgnePdy0bs/JdCOsEBOVSeWU7V4tCjcB7Lv4MZeNFpR17CgYblA22o4/bbWf +qVkJaq3CIdP9ExJQTBuFz3wDVpHwwBQMt+0YATgrzo7B2C6XAUMrcq8l1MbNb/u iZhG2ucpTi0ZQr0FxCJMCwcY6AC3fsa2daBMYwNinwyA== From: Collin Walling To: qemu-s390x@nongnu.org, qemu-devel@nongnu.org Cc: thuth@redhat.com, david@redhat.com, wangyanan55@huawei.com, philmd@linaro.org, marcel.apfelbaum@gmail.com, eduardo@habkost.net, armbru@redhat.com, Jiri Denemark Subject: [PATCH v1] target/s390x: filter deprecated features based on model expansion type Date: Thu, 11 Jul 2024 16:32:54 -0400 Message-ID: <20240711203254.49018-1-walling@linux.ibm.com> X-Mailer: git-send-email 2.45.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-GUID: ZMkhofpeoGHM3vgLq7YSEO-SpBQJBGMG X-Proofpoint-ORIG-GUID: ptY7x_x9vKkOK6ww7UTCsT5_1SGCXQBv X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-07-11_15,2024-07-11_01,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 malwarescore=0 impostorscore=0 spamscore=0 mlxscore=0 suspectscore=0 mlxlogscore=999 bulkscore=0 lowpriorityscore=0 priorityscore=1501 clxscore=1011 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2406140001 definitions=main-2407110142 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=walling@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1720730065637116600 Content-Type: text/plain; charset="utf-8" It is beneficial to provide an interface to retrieve *all* deprecated features in one go. Management applications will need this information to determine which features need to be disabled regardless of the host-model's capabilities. To remedy this, deprecated features are only filtered during a static expansion. All deperecated features are reported on a full expansion. Suggested-by: Jiri Denemark Signed-off-by: Collin Walling Acked-by: David Hildenbrand --- target/s390x/cpu_models_sysemu.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/target/s390x/cpu_models_sysemu.c b/target/s390x/cpu_models_sys= emu.c index 977fbc6522..76d15f2e4d 100644 --- a/target/s390x/cpu_models_sysemu.c +++ b/target/s390x/cpu_models_sysemu.c @@ -211,7 +211,15 @@ static void cpu_info_from_model(CpuModelInfo *info, co= nst S390CPUModel *model, bitmap_zero(bitmap, S390_FEAT_MAX); s390_get_deprecated_features(bitmap); =20 - bitmap_and(bitmap, bitmap, model->def->full_feat, S390_FEAT_MAX); + /* + * For static model expansion, filter out deprecated features that are + * not a subset of the model's feature set. Otherwise, report the enti= re=20 + * deprecated features list. + */ + if (delta_changes) { + bitmap_and(bitmap, bitmap, model->def->full_feat, S390_FEAT_MAX); + } + s390_feat_bitmap_to_ascii(bitmap, &info->deprecated_props, list_add_fe= at); info->has_deprecated_props =3D !!info->deprecated_props; } --=20 2.45.1