From patchwork Tue Oct 1 23:45:24 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Roth X-Patchwork-Id: 1170344 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=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.vnet.ibm.com 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 ozlabs.org (Postfix) with ESMTPS id 46jcdg0Nwpz9sDB for ; Wed, 2 Oct 2019 10:36:39 +1000 (AEST) Received: from localhost ([::1]:49774 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iFSd8-0008JG-Nc for incoming@patchwork.ozlabs.org; Tue, 01 Oct 2019 20:36:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39841) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iFRsD-0001bR-6G for qemu-devel@nongnu.org; Tue, 01 Oct 2019 19:48:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iFRs9-00024Y-Cc for qemu-devel@nongnu.org; Tue, 01 Oct 2019 19:48:04 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:54290 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iFRs7-0001Xn-7D; Tue, 01 Oct 2019 19:48:00 -0400 Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x91Nlakk079234; Tue, 1 Oct 2019 19:47:38 -0400 Received: from pps.reinject (localhost [127.0.0.1]) by mx0b-001b2d01.pphosted.com with ESMTP id 2vcc4f00vq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 01 Oct 2019 19:47:38 -0400 Received: from m0098419.ppops.net (m0098419.ppops.net [127.0.0.1]) by pps.reinject (8.16.0.27/8.16.0.27) with SMTP id x91Nlc1R079267; Tue, 1 Oct 2019 19:47:38 -0400 Received: from ppma02dal.us.ibm.com (a.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.10]) by mx0b-001b2d01.pphosted.com with ESMTP id 2vcc4f00vc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 01 Oct 2019 19:47:38 -0400 Received: from pps.filterd (ppma02dal.us.ibm.com [127.0.0.1]) by ppma02dal.us.ibm.com (8.16.0.27/8.16.0.27) with SMTP id x91Njlt7032690; Tue, 1 Oct 2019 23:47:37 GMT Received: from b01cxnp22033.gho.pok.ibm.com (b01cxnp22033.gho.pok.ibm.com [9.57.198.23]) by ppma02dal.us.ibm.com with ESMTP id 2v9y57qb7k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 01 Oct 2019 23:47:37 +0000 Received: from b01ledav001.gho.pok.ibm.com (b01ledav001.gho.pok.ibm.com [9.57.199.106]) by b01cxnp22033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x91NlabT46662136 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 1 Oct 2019 23:47:36 GMT Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 58A662805C; Tue, 1 Oct 2019 23:47:36 +0000 (GMT) Received: from b01ledav001.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4763928060; Tue, 1 Oct 2019 23:47:36 +0000 (GMT) Received: from localhost (unknown [9.53.179.213]) by b01ledav001.gho.pok.ibm.com (Postfix) with ESMTP; Tue, 1 Oct 2019 23:47:36 +0000 (GMT) From: Michael Roth To: qemu-devel@nongnu.org Subject: [PATCH 45/97] ioapic: kvm: Skip route updates for masked pins Date: Tue, 1 Oct 2019 18:45:24 -0500 Message-Id: <20191001234616.7825-46-mdroth@linux.vnet.ibm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191001234616.7825-1-mdroth@linux.vnet.ibm.com> References: <20191001234616.7825-1-mdroth@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-10-01_10:, , 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=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=915 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910010203 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.158.5 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: Jan Kiszka , qemu-stable@nongnu.org, "Michael S . Tsirkin" Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Jan Kiszka Masked entries will not generate interrupt messages, thus do no need to be routed by KVM. This is a cosmetic cleanup, just avoiding warnings of the kind qemu-system-x86_64: vtd_irte_get: detected non-present IRTE (index=0, high=0xff00, low=0x100) if the masked entry happens to reference a non-present IRTE. Cc: qemu-stable@nongnu.org Signed-off-by: Jan Kiszka Message-Id: Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin Reviewed-by: Peter Xu (cherry picked from commit be1927c97e564346cbd409cb17fe611df74b84e5) Signed-off-by: Michael Roth --- hw/intc/ioapic.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/hw/intc/ioapic.c b/hw/intc/ioapic.c index 9d75f84d3b..194ccb6a3e 100644 --- a/hw/intc/ioapic.c +++ b/hw/intc/ioapic.c @@ -188,9 +188,11 @@ static void ioapic_update_kvm_routes(IOAPICCommonState *s) MSIMessage msg; struct ioapic_entry_info info; ioapic_entry_parse(s->ioredtbl[i], &info); - msg.address = info.addr; - msg.data = info.data; - kvm_irqchip_update_msi_route(kvm_state, i, msg, NULL); + if (!info.masked) { + msg.address = info.addr; + msg.data = info.data; + kvm_irqchip_update_msi_route(kvm_state, i, msg, NULL); + } } kvm_irqchip_commit_routes(kvm_state); }