From patchwork Wed Dec 11 08:59:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Huth X-Patchwork-Id: 13903211 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 02EE5E77182 for ; Wed, 11 Dec 2024 09:03:59 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tLIcW-0000fn-EY; Wed, 11 Dec 2024 04:03:07 -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 1tLIay-00068u-KT for qemu-devel@nongnu.org; Wed, 11 Dec 2024 04:01:27 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tLIat-0007tP-93 for qemu-devel@nongnu.org; Wed, 11 Dec 2024 04:01:23 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1733907677; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CnbWZvGTuTsxy80JpJjufhY7YXZ92OasK5aX1cw8tas=; b=NhqlpJqQJbenX0MZyNn2cTfzdRRTWzPtkMTR/pKnXLFXCj++asyTuxiwRC2jFAuYosHWkv wBhkVUQicdkk/9jXgy/qEPaRKG98fYo6LCHiSC/ONb2UlMoXyc+YK8hbIp7HmfVdY8HAmX 0+fARL3FsFF7aY/DSpL4M2YsNhjhF94= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-126-6V2pdRJ7O2O_hylLcHrWlA-1; Wed, 11 Dec 2024 04:01:11 -0500 X-MC-Unique: 6V2pdRJ7O2O_hylLcHrWlA-1 X-Mimecast-MFC-AGG-ID: 6V2pdRJ7O2O_hylLcHrWlA Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 0C41819560B7; Wed, 11 Dec 2024 09:01:10 +0000 (UTC) Received: from thuth-p1g4.redhat.com (unknown [10.39.193.186]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 7C09C1956089; Wed, 11 Dec 2024 09:01:07 +0000 (UTC) From: Thomas Huth To: qemu-devel@nongnu.org Cc: Peter Maydell , Richard Henderson , Stefan Hajnoczi , Hendrik Brueckner , Janosch Frank Subject: [PULL 15/26] s390x/cpumodel: Add Sequential-Instruction-Fetching facility Date: Wed, 11 Dec 2024 09:59:59 +0100 Message-ID: <20241211090014.619351-16-thuth@redhat.com> In-Reply-To: <20241211090014.619351-1-thuth@redhat.com> References: <20241211090014.619351-1-thuth@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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, DKIMWL_WL_HIGH=-0.52, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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 From: Hendrik Brueckner 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 Message-ID: <20241206122751.189721-13-brueckner@linux.ibm.com> Signed-off-by: Thomas Huth --- 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")