From patchwork Thu Mar 26 15:27:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Roger_Pau_Monn=C3=A9?= X-Patchwork-Id: 11460529 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3571E92A for ; Thu, 26 Mar 2020 15:28:47 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1263F2073E for ; Thu, 26 Mar 2020 15:28:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=citrix.com header.i=@citrix.com header.b="OFqE2/9d" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1263F2073E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=citrix.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jHUQ6-0006xv-SG; Thu, 26 Mar 2020 15:27:46 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1jHUQ6-0006xi-2G for xen-devel@lists.xenproject.org; Thu, 26 Mar 2020 15:27:46 +0000 X-Inumbo-ID: 55fb24b8-6f76-11ea-880d-12813bfff9fa Received: from esa2.hc3370-68.iphmx.com (unknown [216.71.145.153]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 55fb24b8-6f76-11ea-880d-12813bfff9fa; Thu, 26 Mar 2020 15:27:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1585236463; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=6fjiTrIRuEMMbz6K31zXO+vBOLjObAGvvwGKsTQeTO4=; b=OFqE2/9dkOenYoffFJAITfoOlqBRIUoerjSKkK5vQv/5dnoaEA0vh9Bk 0vd/IPiH4nv7SABlEnm7vPDZqVwf0FPHdmfn2WdFyJWWzl8VRCg3knRb4 nYxTXXCEv4PlP6DZsWEjYgyZezy8x3Z54mIDtS4u4Q6o4vbDFIEfRupqm Q=; Authentication-Results: esa2.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=roger.pau@citrix.com; spf=Pass smtp.mailfrom=roger.pau@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa2.hc3370-68.iphmx.com: no sender authenticity information available from domain of roger.pau@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="roger.pau@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa2.hc3370-68.iphmx.com: domain of roger.pau@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="roger.pau@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83 ip4:168.245.78.127 ~all" Received-SPF: None (esa2.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa2.hc3370-68.iphmx.com; envelope-from="roger.pau@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: UuvNZFzF9fMuF6eELqNAgiBpizqVKXaADCrnLlUegwHi0tpC4VqnJ3DvxHC1v0d9rgxAVcvStG IyRejFQ48XBRCZTOp5xo0EYKO1P3T/HCZFGNYFyn2bCGGDWspJRwWuaNukd90m1vdlc/q3K/M2 IwUpdTa3CBlO2ivCy32SenC675Wj3i/3wfs4/N5ZvsnDMQmse+ZR1jXvJRJVNiNsw2EOEZ6xES mEA4f9OBDxXAfoLeCiPPSNseP+KJLgjDl6sJ6eiWSb5cHeBW5eGyw/pkFuFplEhycmYw+Y/taj pMk= X-SBRS: 2.7 X-MesageID: 14702088 X-Ironport-Server: esa2.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.72,308,1580792400"; d="scan'208";a="14702088" From: Roger Pau Monne To: Date: Thu, 26 Mar 2020 16:27:17 +0100 Message-ID: <20200326152720.36970-2-roger.pau@citrix.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200326152720.36970-1-roger.pau@citrix.com> References: <20200326152720.36970-1-roger.pau@citrix.com> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH v3 1/4] Revert "x86/vvmx: fix virtual interrupt injection when Ack on exit control is used" X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Kevin Tian , Jun Nakajima , Wei Liu , Andrew Cooper , Jan Beulich , Roger Pau Monne Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" This reverts commit f96e1469ad06b61796c60193daaeb9f8a96d7458. The commit is wrong, as the whole point of nvmx_update_apicv is to update the guest interrupt status field when the Ack on exit VMEXIT control feature is enabled. Signed-off-by: Roger Pau Monné Reviewed-by: Kevin Tian --- xen/arch/x86/hvm/vmx/vvmx.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/xen/arch/x86/hvm/vmx/vvmx.c b/xen/arch/x86/hvm/vmx/vvmx.c index f049920196..1b8461ba30 100644 --- a/xen/arch/x86/hvm/vmx/vvmx.c +++ b/xen/arch/x86/hvm/vmx/vvmx.c @@ -1456,12 +1456,7 @@ static void virtual_vmexit(struct cpu_user_regs *regs) /* updating host cr0 to sync TS bit */ __vmwrite(HOST_CR0, v->arch.hvm.vmx.host_cr0); - if ( cpu_has_vmx_virtual_intr_delivery && - /* - * Only inject the vector if the Ack on exit bit is not set, else the - * interrupt will be signaled in the vmcs VM_EXIT_INTR_INFO field. - */ - !(get_vvmcs(v, VM_EXIT_CONTROLS) & VM_EXIT_ACK_INTR_ON_EXIT) ) + if ( cpu_has_vmx_virtual_intr_delivery ) nvmx_update_apicv(v); nvcpu->nv_vmswitch_in_progress = 0;