{"id":2225080,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2225080/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420104248.86702-38-mohamed@unpredictable.fr/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260420104248.86702-38-mohamed@unpredictable.fr>","date":"2026-04-20T10:42:47","name":"[v2,37/38] whpx: i386: intercept CPUID 0xD too","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"c294954a4e09035935bd801a805b660efd141ec8","submitter":{"id":91318,"url":"http://patchwork.ozlabs.org/api/1.1/people/91318/?format=json","name":"Mohamed Mediouni","email":"mohamed@unpredictable.fr"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260420104248.86702-38-mohamed@unpredictable.fr/mbox/","series":[{"id":500592,"url":"http://patchwork.ozlabs.org/api/1.1/series/500592/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500592","date":"2026-04-20T10:42:10","name":"WHPX x86 updates for QEMU 11.1","version":2,"mbox":"http://patchwork.ozlabs.org/series/500592/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2225080/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2225080/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=unpredictable.fr header.i=@unpredictable.fr\n header.a=rsa-sha256 header.s=sig1 header.b=bnPyKZkt;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fzhy14SbBz1yHr\n\tfor ; Mon, 20 Apr 2026 20:47:05 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wEm7G-0000U0-2w; Mon, 20 Apr 2026 06:44:34 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1wEm7D-00009u-Io\n for qemu-devel@nongnu.org; Mon, 20 Apr 2026 06:44:31 -0400","from p-west3-cluster4-host12-snip4-4.eps.apple.com ([57.103.74.225]\n helo=outbound.ms.icloud.com)\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1wEm7C-0000pA-4Z\n for qemu-devel@nongnu.org; Mon, 20 Apr 2026 06:44:31 -0400","from outbound.ms.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-west-3a-100-percent-1 (Postfix) with ESMTPS id\n 291ED18000BC; Mon, 20 Apr 2026 10:44:25 +0000 (UTC)","from localhost.localdomain (unknown [17.57.154.37])\n by p00-icloudmta-asmtp-us-west-3a-100-percent-1 (Postfix) with ESMTPSA id\n 6340E1800475; Mon, 20 Apr 2026 10:44:23 +0000 (UTC)"],"Dkim-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1776681869; x=1779273869;\n bh=H5E2yg8wjRMIBLHacxbEUpLeU4XPrgmC3oFHhxyAG2I=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=bnPyKZktpJ7aSKDPdE01Ol97vUYQ8MSVkEEuwt2UO9l3ytpSmCb71bjcbZMGHH7BLJOfgZ63W+03tCJlq4Zwm2pRTh7ddJYre1D3g3UpQMsM7u3YvuvkBSdpwr6LJEBCsMSjc2HNSo0ea6BmJ7OQMMh5N9NmRgKJ0NEoHZz+9fvcq/BR6O6QU1aUdtRR9Q74ze6YVFR4daMrnkmklWfgmYmlEtmKI0Jw0OQgVXOeBzFsDXz+86O7iCyXlekjzee0GBTuKKYkxv5NiFeecyeO5jZNIuvrsmXUvd8DTqGkIYPzejBKM/C6Pk2mVV5sVWPoO7JL1Z5FpMpVZcPnymG2bA==","mail-alias-created-date":"1752046281608","From":"Mohamed Mediouni ","To":"qemu-devel@nongnu.org","Cc":"qemu-arm@nongnu.org, Mohamed Mediouni ,\n Paolo Bonzini ,\n Phil Dennis-Jordan ,\n Roman Bolshakov ,\n Pierrick Bouvier ,\n Pedro Barbuda , Wei Liu ,\n \"Michael S. Tsirkin\" ,\n Peter Maydell , Zhao Liu ","Subject":"[PATCH v2 37/38] whpx: i386: intercept CPUID 0xD too","Date":"Mon, 20 Apr 2026 12:42:47 +0200","Message-ID":"<20260420104248.86702-38-mohamed@unpredictable.fr>","X-Mailer":"git-send-email 2.50.1","In-Reply-To":"<20260420104248.86702-1-mohamed@unpredictable.fr>","References":"<20260420104248.86702-1-mohamed@unpredictable.fr>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNDIwMDEwNCBTYWx0ZWRfX2APGd6PVC26J\n y6B4RWCkdJeCjB968ajh4ar/8MttcBEfx4+vWRwMs41502+vMHeVzVLdYbeic40YDOVyJ3U6zeU\n e/nyy8AicXJE8pjSmmGHTsyV7mDHMYVha5Ysm8npqrdxwTFzMWDf15PmuFSDW77zt0DSKzWFQuw\n 6F4TcjQ0LGDv/GnNuN5yeyksqNJgXmZriBoBNPyoY4O6DYeoBPHPj3aUuu+B/YP90cOAVxwd4Z1\n sUptHL/NFRaekDZ9WqmpMsytVkH3pCF6lRhDUcwnp/SAa6cZPA2Uq8GKP2YQXWxRNzb+29z9/FE\n SqUpD4RCOGrMRQ7JMCV+dX/NFOwUFeIgBCGe2O82PwgOUlAiaErjRynttbxgMc=","X-Authority-Info-Out":"v=2.4 cv=RoLI7SmK c=1 sm=1 tr=0 ts=69e6038b\n cx=c_apl:c_pps:t_out a=qkKslKyYc0ctBTeLUVfTFg==:117 a=A5OVakUREuEA:10\n a=VkNPw1HP01LnGYTKEx00:22 a=7r31mvdhAh4OVJ8YR2QA:9","X-Proofpoint-ORIG-GUID":"tvBvNp-TfAhgrBY-IOsOkoDTPNgQUMal","X-Proofpoint-GUID":"tvBvNp-TfAhgrBY-IOsOkoDTPNgQUMal","X-Proofpoint-Virus-Version":"vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-20_02,2026-04-17_04,2025-10-01_01","X-Proofpoint-Spam-Details":"rule=notspam policy=default score=0 adultscore=0\n bulkscore=0 malwarescore=0 mlxlogscore=869 suspectscore=0 phishscore=0\n spamscore=0 lowpriorityscore=0 mlxscore=0 clxscore=1030 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2604200104","Received-SPF":"pass client-ip=57.103.74.225;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.ms.icloud.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n SPF_HELO_PASS=-0.001,\n 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":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"To have a more accurate CPU model.\n\nSigned-off-by: Mohamed Mediouni \n---\n target/i386/whpx/whpx-all.c | 10 +++++++++-\n 1 file changed, 9 insertions(+), 1 deletion(-)","diff":"diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c\nindex bda8c484e2..26647671f4 100644\n--- a/target/i386/whpx/whpx-all.c\n+++ b/target/i386/whpx/whpx-all.c\n@@ -2568,6 +2568,14 @@ int whpx_vcpu_run(CPUState *cpu)\n }\n }\n \n+ /* CPUID[0xD,{1,2}].EBX are dynamic depending on guest features. */\n+ if (vcpu->exit_ctx.CpuidAccess.Rax == 0xd) {\n+ if (vcpu->exit_ctx.CpuidAccess.Rcx == 1\n+ || vcpu->exit_ctx.CpuidAccess.Rcx == 2) {\n+ reg_values[4].Reg64 = vcpu->exit_ctx.CpuidAccess.DefaultResultRbx;\n+ }\n+ }\n+\n /* OSXSAVE is dynamic. Do this instead of syncing CR4 */\n if (vcpu->exit_ctx.CpuidAccess.Rax == 1) {\n if (vcpu->exit_ctx.CpuidAccess.DefaultResultRcx\n@@ -2869,7 +2877,7 @@ int whpx_accel_init(AccelState *as, MachineState *ms)\n WHV_PROCESSOR_FEATURES_BANKS processor_features;\n WHV_PROCESSOR_PERFMON_FEATURES perfmon_features;\n \n- UINT32 cpuidExitList[] = {0x0, 0x1, 0x6, 0x7, 0xb, 0x14, 0x24, 0x29, 0x1E,\n+ UINT32 cpuidExitList[] = {0x0, 0x1, 0x6, 0x7, 0xb, 0xd, 0x14, 0x24, 0x29, 0x1E,\n 0x40000000, 0x40000001, 0x40000010, 0x80000000, 0x80000001,\n 0x80000002, 0x80000003, 0x80000004, 0x80000007, 0x80000008,\n 0x8000000A, 0x80000021, 0x80000022, 0xC0000000, 0xC0000001};\n","prefixes":["v2","37/38"]}