From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 21E01C5DF65 for ; Wed, 6 Nov 2019 17:57:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E8BAE217F4 for ; Wed, 6 Nov 2019 17:57:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="Z0gJMfyM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732502AbfKFR5v (ORCPT ); Wed, 6 Nov 2019 12:57:51 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:59272 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727872AbfKFR5u (ORCPT ); Wed, 6 Nov 2019 12:57:50 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xA6HsKGa015768; Wed, 6 Nov 2019 17:56:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : mime-version : content-type : content-transfer-encoding; s=corp-2019-08-05; bh=uBEGSNLJVxXMk9u64tP8o0TzUbcsZmdPCKdTVcSvJeg=; b=Z0gJMfyMXtJfFJvsCCk7dUZmTg2FxtLGV8ypVvVVh/r2U2ssB4M1JSKBCZ7ngUiSP63l TdlbQUPyRWyP6ztuSsDxHSmanSKzk6xbmNL7F9k60eduhnRKaZWaIT7iccE3JaaSVlDc YgmzhK8+aS0tRuuVYkD+6m3tuE6psYaKTD8q9+MJSVIpzYD/iLCj2feZBsnDdzsIQbEZ 2GEscujetQ+ao/bCwK0nePNYneRimlznnObMkFA5mFK4rpd19CIKIbJ8giZO/k9rZrRd NsJLqYYIBn3R6Wq5a70K9RGXb5XAwtvBzcJhV2944sWfiSDAYu401kbJ6hFTFSuAYuH9 Jg== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by userp2130.oracle.com with ESMTP id 2w41w10m56-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 06 Nov 2019 17:56:27 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xA6Hreox022490; Wed, 6 Nov 2019 17:56:26 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3030.oracle.com with ESMTP id 2w41wcvewg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 06 Nov 2019 17:56:26 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id xA6HuNS0003881; Wed, 6 Nov 2019 17:56:24 GMT Received: from paddy.uk.oracle.com (/10.175.178.239) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 06 Nov 2019 09:56:23 -0800 From: Joao Martins To: kvm@vger.kernel.org Cc: Joao Martins , linux-kernel@vger.kernel.org, Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Liran Alon , Jag Raman Subject: [PATCH v1 0/3] KVM: VMX: Posted Interrupts fixes Date: Wed, 6 Nov 2019 17:55:59 +0000 Message-Id: <20191106175602.4515-1-joao.m.martins@oracle.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9433 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=600 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1910280000 definitions=main-1911060173 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9433 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=680 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1910280000 definitions=main-1911060174 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hey, This mini-series addresses two bugs plus a small cleanup: 1) Considering PID.PIR as opposed to just PID.ON for pending interrupt checks in the direct yield code path; 2) Not changing NDST in vmx_vcpu_pi_load(), which addresses a regression. Prior to this, we would observe Win2K12 guests hanging momentarily. 3) Small cleanup to streamline PIR checks with a common helper. The cleanup is done last to simplify backports. Joao Joao Martins (3): KVM: VMX: Consider PID.PIR to determine if vCPU has pending interrupts KVM: VMX: Do not change PID.NDST when loading a blocked vCPU KVM: VMX: Introduce pi_is_pir_empty() helper arch/x86/kvm/vmx/vmx.c | 20 ++++++++++++++++++-- arch/x86/kvm/vmx/vmx.h | 11 +++++++++++ 2 files changed, 29 insertions(+), 2 deletions(-) -- 2.11.0