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 Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E3042F419B6 for ; Wed, 15 Apr 2026 13:30:24 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wD0JI-0007Ee-Lg; Wed, 15 Apr 2026 09:29:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wD0JG-0007DK-MV for qemu-devel@nongnu.org; Wed, 15 Apr 2026 09:29:38 -0400 Received: from pv-2002l-snip4-11.eps.apple.com ([57.103.64.171] helo=outbound.pv.icloud.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wD0JF-00046z-Bf for qemu-devel@nongnu.org; Wed, 15 Apr 2026 09:29:38 -0400 Received: from outbound.pv.icloud.com (unknown [127.0.0.2]) by p00-icloudmta-asmtp-us-west-1a-100-percent-11 (Postfix) with ESMTPS id 36C0D18000AA; Wed, 15 Apr 2026 13:29:35 +0000 (UTC) X-ICL-Out-Info: HUtFAUMHWwJACUgDTUQeDx5WFlZNRAJCTQFIHV8DWRxBAUkdXw9LVxQEFVwFVgZXFHkNXR1FDlYZWgxSD1sOHBZLWFUJCgZdGFgVVgl3HlwASx1XBFQfUxJVHR0LRUtAEwRNEwVSB11NVg1HD1geXBQXCEVDXgheH0wcHQ5YBhIATQoONgZZBV4JVgNDBTYSFF1FRgNHGVcUUBtHDFUHV15fChMAXg8PTAtIAVsHXwNFCEsBVAVdHEUBQARVGl8fHVYQUgBSD3IFVwhBCFMCUQRYGl8IGQ1AThkMSh1SVlEFSgxcAGgPXR1YEV0= Dkim-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr; s=sig1; t=1776259776; x=1778851776; bh=TrgeVsVYtEOZKp22T3irnEElZdL3/X6V7jZ6IikmDcQ=; h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme; b=RPuVgymDhYH/6YFTpUaRjtZxq3Da2qCFY0EuZIYPfbJn1IIDKouYYi4sOlwFIl0Q8nKUca0YYH//vuvr1h1VF8OGGMv/IxKaOX/FMwjpbuv1JyY1JTnyhFolQ3Q2jkKVoGXhymwAcDHNnRIevoj0Ql8vwg6ppX0r53K/vhZfjfKZCvk98pBMPhMVDs6kgrHClUIUfQjwfMW0Ricd8plcenBcrin7uT960drJHQrgopVRxoyIjvYH3GrCoQCa86kDYUCj1HgO3XMiAvi6yJ2US6yx4KVW02iagk6X1nsOFxdy+mO39KTPUBDbsHGdf7uZYDp7k/z2ryHAOdoRY/KGNQ== mail-alias-created-date: 1752046281608 Received: from localhost.localdomain (unknown [17.56.9.36]) by p00-icloudmta-asmtp-us-west-1a-100-percent-11 (Postfix) with ESMTPSA id DA61C1800373; Wed, 15 Apr 2026 13:29:33 +0000 (UTC) From: Mohamed Mediouni To: qemu-devel@nongnu.org Cc: Mohamed Mediouni , Zhao Liu , Paolo Bonzini , Pedro Barbuda Subject: [PATCH v2 03/10] whpx: i386: enable GuestIdleReg enlightenment Date: Wed, 15 Apr 2026 15:29:19 +0200 Message-ID: <20260415132926.58878-4-mohamed@unpredictable.fr> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20260415132926.58878-1-mohamed@unpredictable.fr> References: <20260415132926.58878-1-mohamed@unpredictable.fr> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: otC0XAmYAuCT4wa2HJzb1i6QCiCBmm3S X-Proofpoint-ORIG-GUID: otC0XAmYAuCT4wa2HJzb1i6QCiCBmm3S X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE1MDEyNSBTYWx0ZWRfX3gCCJPaO/W9v SEUodMbxf+6sYjprL29RVjfzGXXQS3zTFxvG58We67AvUrVx6TbGDPFJOMUc0yAvwKILs3+Inmi OlcytAMe3iaCE5Ce29brznV5skV8DqvBH7pfiy/puPwM7CcMVjMKWbSp/GynAKeHm9EwUwT3wfI hWF2BbPVZUUo2YguiCJ4Hn/Pmu8RyXGorXA28p9bwPzKkYBzNAi46WGTg/IAWEcBRYomn+RAdwK tnjYS0vd0/8AUejug3fcD+FaHVBM/MpoqZ7jRkoBf1UtTuUI5kepNrY3HI5RvM5eh8KYMWDjDM2 X5udH5LLb5lVhvh9rDO9JHjepxCpJYv6XO+cQXviFDde07CxU5V1G3kc7/WVak= X-Authority-Info-Out: v=2.4 cv=ZIDaWH7b c=1 sm=1 tr=0 ts=69df92bf cx=c_apl:c_pps:t_out a=azHRBMxVc17uSn+fyuI/eg==:117 a=azHRBMxVc17uSn+fyuI/eg==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=givlr1pFTcEyfNb0yRoA:9 Received-SPF: pass client-ip=57.103.64.171; envelope-from=mohamed@unpredictable.fr; helo=outbound.pv.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_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org This corresponds to HV_X64_MSR_GUEST_IDLE (0x400000f0). This enlightenment is only available by the HV when using the Hyper-V LAPIC. Signed-off-by: Mohamed Mediouni --- target/i386/whpx/whpx-all.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c index b248afb5e7..73066581d4 100644 --- a/target/i386/whpx/whpx-all.c +++ b/target/i386/whpx/whpx-all.c @@ -2686,6 +2686,7 @@ int whpx_accel_init(AccelState *as, MachineState *ms) synthetic_features.Bank0.AccessIntrCtrlRegs = 1; synthetic_features.Bank0.SyntheticClusterIpi = 1; synthetic_features.Bank0.DirectSyntheticTimers = 1; + synthetic_features.Bank0.AccessGuestIdleReg = 1; /* * These technically work without the Hyper-V LAPIC * but behave oddly for multi-core VMs. -- 2.50.1 (Apple Git-155)