From nobody Sun Apr 5 16:31:09 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=unpredictable.fr ARC-Seal: i=1; a=rsa-sha256; t=1774365328; cv=none; d=zohomail.com; s=zohoarc; b=DvAagJYWiOzz9j00CjAPCiai2P/rO7STNnhWFybuq2n7xfdFSlxqLEDCaHYkHvZAr11PXBnRWzdeSF7sViw/zY/+V/fowrMn3sCoX5RAEyWI0egRHV21OZqcUvE9p28NHmHs5ea5Sd4y9NFqiow1fzTxD32dl9pSTMUDb4SaWc0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1774365328; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=p3kP/TgGy9+75EyKQX7zRo14kGVxvhzT6oqhUrcGhLI=; b=fjs39mTSt8uU/NkWhrUPdGzFhQQC2fPcfkLHJAZEiaGQKxgktUogzFVWeqdkEdPmxGkmYKmzN7kR+n6dbOmiY9ENHKCJc4MRwAL0vKqDQJhuT1HHCQpNilp9GfRjb3WLWWCsk4+KjkX1WY6ONK1SNaDPuGPFwg5wWqlV0D3nCj8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1774365327890736.6783774379388; Tue, 24 Mar 2026 08:15:27 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1w53T8-0005vK-VF; Tue, 24 Mar 2026 11:14:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w53Sq-0005t7-BS for qemu-devel@nongnu.org; Tue, 24 Mar 2026 11:14:42 -0400 Received: from p-east2-cluster6-host8-snip4-10.eps.apple.com ([57.103.76.171] helo=outbound.st.icloud.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1w53Si-0005s8-1D for qemu-devel@nongnu.org; Tue, 24 Mar 2026 11:14:37 -0400 Received: from outbound.st.icloud.com (unknown [127.0.0.2]) by p00-icloudmta-asmtp-us-east-1a-60-percent-7 (Postfix) with ESMTPS id 1A8A1181644C; Tue, 24 Mar 2026 15:14:24 +0000 (UTC) Received: from localhost.localdomain (unknown [17.42.251.67]) by p00-icloudmta-asmtp-us-east-1a-60-percent-7 (Postfix) with ESMTPSA id 9D2E21801481; Tue, 24 Mar 2026 15:13:44 +0000 (UTC) Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr; s=sig1; t=1774365267; x=1776957267; bh=p3kP/TgGy9+75EyKQX7zRo14kGVxvhzT6oqhUrcGhLI=; h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme; b=KnsZ6ad6efIlUOFw4hcNW5Wsb0YWyXf1y2uh5qZMELDEtgX/ymE7YAzZODT7IWiddzwK2uIVYV/U+61a45kUv3uTE7wT5WHabU6ACj2izGIH63om9XaDL45SHMDuNdrKH/cAvbCz739LeY/Nl5yp+pQMurzYENN6j74xoc+WKK3Cva52cKRT3YuSkPl80onQc86+bFm/KnngEi8oRzwJAL0JuJAYfBZYcyuZEpg5HDLJ8EuHmzLxW1nEtT9UnsryI3wRiZRthH9Cvmqqs+0iNAm5wVVWm/cuX5oDcf6dUY37KA1Mj5cAN7iEhCNwikshVhVeLZpMriRih0Da5sX2Dw== mail-alias-created-date: 1752046281608 From: Mohamed Mediouni To: qemu-devel@nongnu.org Cc: Roman Bolshakov , Mohamed Mediouni , Wei Liu , Phil Dennis-Jordan , Pedro Barbuda Subject: [PATCH v3 04/12] whpx: i386: skip XCRs read for MMIO exits Date: Tue, 24 Mar 2026 16:13:15 +0100 Message-ID: <20260324151323.74473-5-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260324151323.74473-1-mohamed@unpredictable.fr> References: <20260324151323.74473-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: v5OyBA4sWwIGfWSBA6TBn0e8MsxX3PM1 X-Authority-Info-Out: v=2.4 cv=YdqwJgRf c=1 sm=1 tr=0 ts=69c2aa51 cx=c_apl:c_pps:t_out a=YrL12D//S6tul8v/L+6tKg==:117 a=YrL12D//S6tul8v/L+6tKg==:17 a=Yq5XynenixoA:10 a=VkNPw1HP01LnGYTKEx00:22 a=ytqdvofJqIjuNepkJhYA:9 X-Proofpoint-ORIG-GUID: v5OyBA4sWwIGfWSBA6TBn0e8MsxX3PM1 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI0MDExOSBTYWx0ZWRfX3QMkW1yP0tFi k2sqLOghH4FzaX1Jc67s1oJF+2W9NO5x8IkCIKF0gKQWxex+EzD4IohZvVW4RzvvTzm1I62FUUc z2uq+w86a3YsGtEp52p4gwfxVUC/3LuLVpsB//LxQKnVCgp2T4nGnFw3bizate//lqXh+ZMSa+7 aPe2hwhbw+21Nk7vXztkHfnQUJD91ac3HC7+A3E945yE9UVe2CIq0gR5D+7Tk2DrdkUTW46wZTQ O6wpsKZNcskgRcr32XqkUGKmqNOz61u9dAXa/QZOv4Bw9dj/0kGvpJjLT4mouHs+1GAanl3brkY 7TWedq0qHqEns+izj+9DuCfYbz0nsfmqt/lXQtmXypU7p7IQKC5KbjqyrRqoJE= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-24_03,2026-03-23_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 mlxscore=0 bulkscore=0 clxscore=1030 suspectscore=0 phishscore=0 lowpriorityscore=0 mlxlogscore=792 malwarescore=0 spamscore=0 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2603240119 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=57.103.76.171; envelope-from=mohamed@unpredictable.fr; helo=outbound.st.icloud.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @unpredictable.fr) X-ZM-MESSAGEID: 1774365329897154101 Content-Type: text/plain; charset="utf-8" The XCR0 value isn't currently needed for vmexit processing. Signed-off-by: Mohamed Mediouni --- target/i386/whpx/whpx-all.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index ac03445d9d..c0c7ba9177 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -689,7 +689,9 @@ void whpx_get_registers(CPUState *cpu, WHPXStateLevel l= evel) * Extended control registers needs to be handled separately depending * on whether xsave is supported/enabled or not. */ - whpx_get_xcrs(cpu); + if (level > WHPX_LEVEL_FAST_RUNTIME_STATE) { + whpx_get_xcrs(cpu); + } =20 /* 16 XMM registers */ assert(whpx_register_names[idx] =3D=3D WHvX64RegisterXmm0); --=20 2.50.1 (Apple Git-155)