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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 5CEA2C7618F for ; Fri, 19 Jul 2019 21:03:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1B1DC2189D for ; Fri, 19 Jul 2019 21:03:05 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="mLz1hqm9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388435AbfGSVDD (ORCPT ); Fri, 19 Jul 2019 17:03:03 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:33524 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727972AbfGSVDD (ORCPT ); Fri, 19 Jul 2019 17:03:03 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6JKwpL0180570; Fri, 19 Jul 2019 21:02:52 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=content-type : mime-version : subject : from : in-reply-to : date : cc : content-transfer-encoding : message-id : references : to; s=corp-2018-07-02; bh=H+36a0KOvrCAcVsUljEVtm5NcGWsJpTDvkc+zfvNyLQ=; b=mLz1hqm9FSCIq5zL08B1t/Z2Y1agR5y7YqkZtAGfOpvP+66LAC6D7uPUbVoZLIpRHRoO mBVx/5YJqPmXLnllgWyh+0LIqDo40/VY/4LLvnITet8x6g9N+alRteVFW8OgV0sgGUZC /qSGWAOBST0krNJ8FdD8yf02jglReHnFFy8SIalv/Y520uhr81WhPj3aEF12H3TQPMMb RRZD3TYNGAHlvO4g88CEPjSG8pxSVo1lmaoC/4KACPvDKKNNKNCX2pwRMxLxJMMN9aag S7J3skuMjyJ8goywSpKsjZ/+CPYctT4N8+jjK4yTSl6p9mcSbwGeIX/C5x5nD89718zX dA== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by aserp2120.oracle.com with ESMTP id 2tq78q8n8n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 19 Jul 2019 21:02:52 +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 x6JL2TI1031338; Fri, 19 Jul 2019 21:02:51 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by aserp3030.oracle.com with ESMTP id 2ttc8gcdae-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 19 Jul 2019 21:02:51 +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 x6JL2pKV027695; Fri, 19 Jul 2019 21:02:51 GMT Received: from [10.0.0.13] (/79.182.108.162) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 19 Jul 2019 21:02:51 +0000 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 11.1 \(3445.4.7\)) Subject: Re: [PATCH] KVM: VMX: dump VMCS on failed entry From: Liran Alon In-Reply-To: <1563554534-46556-1-git-send-email-pbonzini@redhat.com> Date: Sat, 20 Jul 2019 00:02:48 +0300 Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Content-Transfer-Encoding: 7bit Message-Id: <07996D9B-D060-4FC2-ADCA-1E2B17D6FF08@oracle.com> References: <1563554534-46556-1-git-send-email-pbonzini@redhat.com> To: Paolo Bonzini X-Mailer: Apple Mail (2.3445.4.7) X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9323 signatures=668688 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=949 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907190222 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9323 signatures=668688 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907190221 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > On 19 Jul 2019, at 19:42, Paolo Bonzini wrote: > > This is useful for debugging, and is ratelimited nowadays. > > Signed-off-by: Paolo Bonzini Reviewed-by: Liran Alon > --- > arch/x86/kvm/vmx/vmx.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c > index 69536553446d..c7ee5ead1565 100644 > --- a/arch/x86/kvm/vmx/vmx.c > +++ b/arch/x86/kvm/vmx/vmx.c > @@ -5829,6 +5829,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu) > } > > if (unlikely(vmx->fail)) { > + dump_vmcs(); > vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY; > vcpu->run->fail_entry.hardware_entry_failure_reason > = vmcs_read32(VM_INSTRUCTION_ERROR); > -- > 1.8.3.1 >