From patchwork Fri Dec 6 12:27:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hendrik Brueckner X-Patchwork-Id: 13897142 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 26487E77173 for ; Fri, 6 Dec 2024 12:31:31 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tJXRZ-00062O-Mu; Fri, 06 Dec 2024 07:28:26 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tJXRP-0005zF-OS; Fri, 06 Dec 2024 07:28:16 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tJXRL-00043P-H6; Fri, 06 Dec 2024 07:28:15 -0500 Received: from pps.filterd (m0360083.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4B6AYKCK010713; Fri, 6 Dec 2024 12:28:09 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc :content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=pp1; bh=/b+hVFhUCicAlCOYX iL+XHd7o+84UUbrpEg2pHosoFg=; b=dasDShmbJF5t5SgJWPP1bsS5WFwE0/z9Z 48bM1ND9vZ9dKiX4+4wIxK9jP1z+GzJlHmxSi849gibnAPx4ckXSMikeCry4tmGQ uk+qrIv8f6wXrkeAop4bo2h+kRdPKX2bHMmmGLilQQ6VWRXfyFqTxnrFOIhRPFmy wV/QJaQiM5QvaURmzqpJkhCcHlivZK/wJ4ZsDzMnTS7LUNQGB3Ctm0zz0ZdvMa7m scdlcuam21iGDQQOoW/UV+KylzzCCPAIIfCnQ+GFFKcnoZtR0wGQxyuq88PWtFrd aKcCUNGIUI1c1UUNgxc3LqLk4bqktuAmCSOMW9YLHQiFxFioDvTuQ== Received: from ppma23.wdc07v.mail.ibm.com (5d.69.3da9.ip4.static.sl-reverse.com [169.61.105.93]) by mx0a-001b2d01.pphosted.com (PPS) with ESMTPS id 43b24rgxg2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 06 Dec 2024 12:28:09 +0000 (GMT) Received: from pps.filterd (ppma23.wdc07v.mail.ibm.com [127.0.0.1]) by ppma23.wdc07v.mail.ibm.com (8.18.1.2/8.18.1.2) with ESMTP id 4B6BC9KV031769; Fri, 6 Dec 2024 12:28:08 GMT Received: from smtprelay05.fra02v.mail.ibm.com ([9.218.2.225]) by ppma23.wdc07v.mail.ibm.com (PPS) with ESMTPS id 438ehmakef-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 06 Dec 2024 12:28:08 +0000 Received: from smtpav05.fra02v.mail.ibm.com (smtpav05.fra02v.mail.ibm.com [10.20.54.104]) by smtprelay05.fra02v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 4B6CS4bg53739926 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 6 Dec 2024 12:28:04 GMT Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id AC7A620043; Fri, 6 Dec 2024 12:28:04 +0000 (GMT) Received: from smtpav05.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 34ECD20040; Fri, 6 Dec 2024 12:28:04 +0000 (GMT) Received: from vela.ibmuc.com (unknown [9.171.26.200]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 6 Dec 2024 12:28:04 +0000 (GMT) From: Hendrik Brueckner To: qemu-devel@nongnu.org, qemu-s390x@nongnu.org, thuth@redhat.com Cc: nsg@linux.ibm.com, frankja@linux.ibm.com, mimu@linux.ibm.com, borntraeger@linux.ibm.com, Hendrik Brueckner Subject: [RFC PATCH v2 12/15] s390x/cpumodel: Add Sequential-Instruction-Fetching facility Date: Fri, 6 Dec 2024 13:27:48 +0100 Message-ID: <20241206122751.189721-13-brueckner@linux.ibm.com> X-Mailer: git-send-email 2.43.5 In-Reply-To: <20241206122751.189721-1-brueckner@linux.ibm.com> References: <20241206122751.189721-1-brueckner@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: Y-nbTqPs9K3pckRuRPXpscKnET8aNgco X-Proofpoint-ORIG-GUID: Y-nbTqPs9K3pckRuRPXpscKnET8aNgco X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 bulkscore=0 adultscore=0 impostorscore=0 priorityscore=1501 lowpriorityscore=0 clxscore=1015 mlxscore=0 spamscore=0 malwarescore=0 mlxlogscore=883 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2412060089 Received-SPF: pass client-ip=148.163.156.1; envelope-from=brueckner@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The sequential instruction fetching facility provides few guarantees, for example, to avoid stop machine calls on enabling/disabling kprobes. Signed-off-by: Hendrik Brueckner Reviewed-by: Janosch Frank --- target/s390x/cpu_features_def.h.inc | 1 + 1 file changed, 1 insertion(+) diff --git a/target/s390x/cpu_features_def.h.inc b/target/s390x/cpu_features_def.h.inc index 2c1d1cd98a..09a80844a7 100644 --- a/target/s390x/cpu_features_def.h.inc +++ b/target/s390x/cpu_features_def.h.inc @@ -91,6 +91,7 @@ DEF_FEAT(DFP_PACKED_CONVERSION, "dfppc", STFL, 80, "Decimal-floating-point packe DEF_FEAT(PPA15, "ppa15", STFL, 81, "PPA15 is installed") DEF_FEAT(BPB, "bpb", STFL, 82, "Branch prediction blocking") DEF_FEAT(MISC_INSTRUCTION_EXT4, "minste4", STFL, 84, "Miscellaneous-Instruction-Extensions Facility 4") +DEF_FEAT(SIF, "sif", STFL, 85, "Sequential-instruction-fetching facility") DEF_FEAT(MSA_EXT_12, "msa12-base", STFL, 86, "Message-security-assist-extension-12 facility (excluding subfunctions)") DEF_FEAT(VECTOR, "vx", STFL, 129, "Vector facility") DEF_FEAT(INSTRUCTION_EXEC_PROT, "iep", STFL, 130, "Instruction-execution-protection facility")