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=-12.6 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=unavailable 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 6CA0CC47087 for ; Fri, 28 May 2021 19:52:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 44F7D613B6 for ; Fri, 28 May 2021 19:52:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229549AbhE1Txj (ORCPT ); Fri, 28 May 2021 15:53:39 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:42360 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229476AbhE1Txg (ORCPT ); Fri, 28 May 2021 15:53:36 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 14SJiAgf134480; Fri, 28 May 2021 19:51:59 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : subject : to : cc : references : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2020-01-29; bh=d7lYFVRu2/DsTt9miAcAAYzp4TfW5m6k0vsj37rIFlc=; b=XPR8/WA8hKa4vhLJponB1HSE+DK9786wj/pZNTnf5iEkMzhFykToTMDWz3xeEipTwtxd HVuuFY9p2uOACZ/lGI1xbzh/OnV+6DR5FZ5CzPZGiMfp7qVi2K/Q+DPbdgBqVHQGUOCu /nMEkvdWqYwCHg7cjQ/CIqqofVDYwHJJgD/0perVCnLNLZPnc85x6Z4GJWA+JoEX9Ykv JZ25G5daGKpWjlX5Py0a2cL5G8jos+kYbc0aeLQnDGWCPNnH/267viMKptgBFJq22+ko H15jVB36Ae6nGU/L1Pxi2hyv/DVzCx2pWi+HmaHFD+YvxDR/SOkbfx1C5z1bAa/xF7UP jg== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2130.oracle.com with ESMTP id 38q3q97gkh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 28 May 2021 19:51:59 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 14SJjglN127300; Fri, 28 May 2021 19:51:58 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3030.oracle.com with ESMTP id 38pq2xsje9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 28 May 2021 19:51:58 +0000 Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 14SJpvtb011909; Fri, 28 May 2021 19:51:57 GMT Received: from [10.175.200.219] (/10.175.200.219) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 28 May 2021 12:51:57 -0700 From: "Maciej S. Szmigiero" Subject: Re: [PATCH] selftests: kvm: fix overlapping addresses in memslot_perf_test To: Paolo Bonzini Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org References: <20210528191134.3740950-1-pbonzini@redhat.com> Message-ID: <285623f6-52e4-7f8d-fab6-0476a00af68b@oracle.com> Date: Fri, 28 May 2021 21:51:48 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210528191134.3740950-1-pbonzini@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9998 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 malwarescore=0 spamscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2105280129 X-Proofpoint-GUID: MPS4dkIngEeJ4_2CxoGLaE1zHn5s3WVv X-Proofpoint-ORIG-GUID: MPS4dkIngEeJ4_2CxoGLaE1zHn5s3WVv X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=9998 signatures=668682 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 mlxscore=0 clxscore=1011 malwarescore=0 bulkscore=0 impostorscore=0 phishscore=0 spamscore=0 adultscore=0 priorityscore=1501 mlxlogscore=999 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2104190000 definitions=main-2105280129 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 28.05.2021 21:11, Paolo Bonzini wrote: > The memory that is allocated in vm_create is already mapped close to > GPA 0, because test_execute passes the requested memory to > prepare_vm. This causes overlapping memory regions and the > test crashes. For simplicity just move MEM_GPA higher. > > Signed-off-by: Paolo Bonzini I am not sure that I understand the issue correctly, is vm_create_default() already reserving low GPAs (around 0x10000000) on some arches or run environments? Thanks, Maciej