Received: by 10.223.185.116 with SMTP id b49csp1196625wrg; Fri, 23 Feb 2018 13:45:24 -0800 (PST) X-Google-Smtp-Source: AH8x225h/n7ft0MPmfHAyDiPAS6nKy9yZGJUREv0kqigGqcqmruQ+a6NsFZNA/Wk9QU4eotEkFdT X-Received: by 10.98.190.3 with SMTP id l3mr3040240pff.155.1519422324112; Fri, 23 Feb 2018 13:45:24 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1519422324; cv=none; d=google.com; s=arc-20160816; b=KCvYujDRXWK3/w5DxIWHMJdknbkqNJWnhcMFcxIjJQ5uxO3K3Q74T3CGz2u0InFJti JHU0vEi71ocsMu5uPq7XPowECEzaM9fDrJrr6TMvCYGvkkzIBuPPz+xgXybBAS9ZdAZs dr64nEoNSvzibrIOm8VxolQHN1Uio2JoS7B5uI08aMHlf7mjfxLfjYM3mFdLvq1bw68E ImVqIb0s8fDcGx5sbbrYB+poO0qaXvX6ssi2bMJCYvXf01bGZmTuftnxqE9jOlqXIhr0 dNkHkyph+sPlG2PfjJA0yCfJmva13CQUfx3rtZqlldrX9zMnYSXXJgfTtmgoa3TfYzii RfKQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:dkim-signature:arc-authentication-results; bh=kXspVMl67lcmbWt1X5fp0ifXJyfPIoqeRW0lsiwybh8=; b=aVJFT9yNut0L4b4WYu2p8fePuTI4kjEM8qliBQb0InR8kPn1LlH+Q97b4Cmubc+2bu CpQ13HBeyhs8HQLB+HwgPJrbKFsIJcrOLPwpwP/UBqEF4BK36+UfQQKrzCMXTkCSqFQe sMAckY5SKNVlvQFBMc1iwxU9G2bqSTs2Wr4qlQ5qUO8AtTo0KjrOnKYHX/Udn8Owt5jl OAVrA3Yg94LCr5Lp2YPTRexy3io/8uNmcFYiFYqnSMZqOnsGOCB6Zm5d2wdWSfPFFwLx KEWB6xKxccWJfKkZ2S3ogU1HrFEGuND3pXbvWVGLpuDHPMLDVbOaZWE0l3aZeTKrKhnL /N/g== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2017-10-26 header.b=RvRCt6is; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n7si2010492pga.250.2018.02.23.13.45.09; Fri, 23 Feb 2018 13:45:24 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@oracle.com header.s=corp-2017-10-26 header.b=RvRCt6is; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=oracle.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752206AbeBWVoc (ORCPT + 99 others); Fri, 23 Feb 2018 16:44:32 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:33652 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751455AbeBWVoa (ORCPT ); Fri, 23 Feb 2018 16:44:30 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w1NLi8p1017595; Fri, 23 Feb 2018 21:44:15 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=corp-2017-10-26; bh=kXspVMl67lcmbWt1X5fp0ifXJyfPIoqeRW0lsiwybh8=; b=RvRCt6isDSujcL37W8trt7ARFmE2MnbCxSB4zFNC37WT24CuAxMyMZmgdykgSchof8oo Li1uIDdsbX5yngFWlaZV4EXC2pKDgH0dPwLzVEg76p9m0sRtMksbFDOwgGCpZaYjfjJj 1fAmrj2HyB5UPv7Jop5MlPFNz5GmxDQSEc/VWRj4ODZvrkIYjNzxgx405Qbe2OPAI3NX tp5p4UOjWeZKf6wrqb1z5PpFE5C5ykP/XE58LXXTyZj10ygsSNHT9Yr44I+5qiNJD6dz qw5mEns7754ZP1pHCWwlMcOCnr8JvD7gl1wBJV4qphWhaIbLHsY+rBCPZ8ihQPWBM7YA cw== Received: from userv0022.oracle.com (userv0022.oracle.com [156.151.31.74]) by aserp2120.oracle.com with ESMTP id 2gat45ra4g-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 23 Feb 2018 21:44:15 +0000 Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w1NLa4Hv004821 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 23 Feb 2018 21:36:05 GMT Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id w1NLa3Wq026824; Fri, 23 Feb 2018 21:36:04 GMT Received: from char.us.oracle.com (/10.137.176.158) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 23 Feb 2018 13:36:03 -0800 Received: by char.us.oracle.com (Postfix, from userid 1000) id 7C4BF6A0A1A; Fri, 23 Feb 2018 16:36:02 -0500 (EST) Date: Fri, 23 Feb 2018 16:36:02 -0500 From: Konrad Rzeszutek Wilk To: KarimAllah Ahmed Cc: x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, hpa@zytor.com, jmattson@google.com, mingo@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, tglx@linutronix.de Subject: Re: [PATCH 05/10] KVM/nVMX: Use kvm_vcpu_map when mapping the L1 MSR bitmap Message-ID: <20180223213602.GG20992@char.us.oracle.com> References: <1519235241-6500-1-git-send-email-karahmed@amazon.de> <1519235241-6500-6-git-send-email-karahmed@amazon.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1519235241-6500-6-git-send-email-karahmed@amazon.de> User-Agent: Mutt/1.8.3 (2017-05-23) X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=8813 signatures=668678 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=689 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1711220000 definitions=main-1802230265 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 21, 2018 at 06:47:16PM +0100, KarimAllah Ahmed wrote: > ... since using kvm_vcpu_gpa_to_page() and kmap() will only work for guest > memory that has a "struct page". > > The life-cycle of the mapping also changes to avoid doing map and unmap on s/also changes/has been changed/ ?