From patchwork Sun Jan 14 19:23:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jose Ricardo Ziviani X-Patchwork-Id: 860504 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3zKRJQ2DJfz9s7M for ; Mon, 15 Jan 2018 06:24:54 +1100 (AEDT) Received: from localhost ([::1]:58602 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eantk-0000my-9A for incoming@patchwork.ozlabs.org; Sun, 14 Jan 2018 14:24:52 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33655) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eant5-0000mC-E6 for qemu-devel@nongnu.org; Sun, 14 Jan 2018 14:24:12 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eant2-0005R7-Kj for qemu-devel@nongnu.org; Sun, 14 Jan 2018 14:24:11 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:57366) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eant2-0005QZ-CQ for qemu-devel@nongnu.org; Sun, 14 Jan 2018 14:24:08 -0500 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w0EJNsbi067441 for ; Sun, 14 Jan 2018 14:24:07 -0500 Received: from e11.ny.us.ibm.com (e11.ny.us.ibm.com [129.33.205.201]) by mx0a-001b2d01.pphosted.com with ESMTP id 2fgbbdkg4q-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sun, 14 Jan 2018 14:24:06 -0500 Received: from localhost by e11.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Sun, 14 Jan 2018 14:24:03 -0500 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp23033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w0EJO38Z55771208; Sun, 14 Jan 2018 19:24:03 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 94906AE034; Sun, 14 Jan 2018 14:25:15 -0500 (EST) Received: from pacoca.ibmmodules.com (unknown [9.85.202.57]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTP id EBACAAE03B; Sun, 14 Jan 2018 14:25:13 -0500 (EST) From: Jose Ricardo Ziviani To: qemu-ppc@nongnu.org Date: Sun, 14 Jan 2018 17:23:48 -0200 X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180114192349.22212-1-joserz@linux.vnet.ibm.com> References: <20180114192349.22212-1-joserz@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18011419-2213-0000-0000-0000025AC19C X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00008377; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000245; SDB=6.00975014; UDB=6.00494131; IPR=6.00754940; BA=6.00005775; NDR=6.00000001; ZLA=6.00000005; ZF=6.00000009; ZB=6.00000000; ZP=6.00000000; ZH=6.00000000; ZU=6.00000002; MB=3.00019034; XFM=3.00000015; UTC=2018-01-14 19:24:05 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18011419-2214-0000-0000-000058C3885E Message-Id: <20180114192349.22212-2-joserz@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2018-01-14_12:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1709140000 definitions=main-1801140278 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH v2 1/2] ppc: Change Power9 compat table to support at most 8 threads/core X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, groug@kaod.org, qemu-devel@nongnu.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Increases the max smt mode to 8 for Power9. That's because KVM supports smt emulation in this platform so QEMU should allow users to use it as well. Today if we try to pass -smp ...,threads=8, QEMU will silently truncate it to smt4 mode and may cause a crash if we try to perform a cpu hotplug. Signed-off-by: Jose Ricardo Ziviani --- target/ppc/compat.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/ppc/compat.c b/target/ppc/compat.c index ad8f93c064..d1770cdc6f 100644 --- a/target/ppc/compat.c +++ b/target/ppc/compat.c @@ -73,7 +73,7 @@ static const CompatInfo compat_table[] = { .pvr = CPU_POWERPC_LOGICAL_3_00, .pcr = PCR_COMPAT_3_00, .pcr_level = PCR_COMPAT_3_00, - .max_threads = 4, + .max_threads = 8, }, };