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GET /api/patches/2224848/?format=api
{ "id": 2224848, "url": "http://patchwork.ozlabs.org/api/patches/2224848/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260418223320.51330-19-mohamed@unpredictable.fr/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "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": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260418223320.51330-19-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-04-18T22:33:00", "name": "[18/38] whpx: i386: enable GuestIdleReg enlightenment", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "6fb66015cd1b7d12f59277547a556b9cbf3b1ce6", "submitter": { "id": 91318, "url": "http://patchwork.ozlabs.org/api/people/91318/?format=api", "name": "Mohamed Mediouni", "email": "mohamed@unpredictable.fr" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260418223320.51330-19-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 500475, "url": "http://patchwork.ozlabs.org/api/series/500475/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500475", "date": "2026-04-18T22:32:54", "name": "WHPX x86 updates for QEMU 11.1", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/500475/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2224848/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2224848/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "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=foPkY30M;\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 4fymq51gF0z1yDF\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 19 Apr 2026 08:37:53 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wEEFA-0006uu-JM; Sat, 18 Apr 2026 18:34:28 -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 <mohamed@unpredictable.fr>)\n id 1wEEEq-0006O5-Mw\n for qemu-devel@nongnu.org; Sat, 18 Apr 2026 18:34:10 -0400", "from p-east2-cluster3-host12-snip4-10.eps.apple.com ([57.103.77.191]\n helo=outbound.st.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 <mohamed@unpredictable.fr>)\n id 1wEEEl-0004yR-BI\n for qemu-devel@nongnu.org; Sat, 18 Apr 2026 18:34:05 -0400", "from outbound.st.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-east-1a-100-percent-1 (Postfix) with ESMTPS id\n C8DFF18000E2; Sat, 18 Apr 2026 22:33:58 +0000 (UTC)", "from localhost.localdomain (unknown [17.42.251.67])\n by p00-icloudmta-asmtp-us-east-1a-100-percent-1 (Postfix) with ESMTPSA id\n 412F718000B2; Sat, 18 Apr 2026 22:33:56 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1776551642; x=1779143642;\n bh=IShay1Ni0PZxOVHY3UdoELgY8h3uyJIPv2UhTb9vE4s=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=foPkY30M5cRhZRT3cILXj41N+1Vm/Zvuyvs14almptyG/6EsH2/C+K1RvojkWLcCkTg0WZK79i/5PBfYtan7Gb6cTwHnHss6G9dhm+wzf4af3doPl9pNB6UtmHuFv4PhIfk+XJr8mNlaHzQWXO502rsI8tr0ze9CwU6WxDmHoJPj9Ix4aoBuQ9FuiGHeGK9BhGY00Rb1AHEKY/7v87pXw4UUBk4E99j9WsKho3OsQAQanlVMK8/zxfLs13UbLA/CBmqtR8zlYboZqs+VP9OfIJjLB5F71ffhIMFJ1hfZZnRAVIHF7vyjMRuTvrIKa0KEgz7/+TnLnpaokcLW8X8NWw==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "Mohamed Mediouni <mohamed@unpredictable.fr>,\n \"Michael S. Tsirkin\" <mst@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>,\n Zhao Liu <zhao1.liu@intel.com>, Pedro Barbuda <pbarbuda@microsoft.com>,\n Roman Bolshakov <rbolshakov@ddn.com>, qemu-arm@nongnu.org,\n Pierrick Bouvier <pierrick.bouvier@linaro.org>,\n Peter Maydell <peter.maydell@linaro.org>, Wei Liu <wei.liu@kernel.org>,\n Phil Dennis-Jordan <phil@philjordan.eu>", "Subject": "[PATCH 18/38] whpx: i386: enable GuestIdleReg enlightenment", "Date": "Sun, 19 Apr 2026 00:33:00 +0200", "Message-ID": "<20260418223320.51330-19-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260418223320.51330-1-mohamed@unpredictable.fr>", "References": "<20260418223320.51330-1-mohamed@unpredictable.fr>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Proofpoint-ORIG-GUID": "lr3D4EwNRaeDvwZp3yMyj5heHmSQJdV1", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDE4MDIyOCBTYWx0ZWRfX6HMIG+Zo+/Rt\n qolfK9F1dh8duRHZDDYWhhkLZYfjsNzelLopF9fEONrXJL92qPP/O/PTpzeIySciuNhQi10TD5c\n hEuSVZFObhP0vi6egBkGana2iyxsgVLWl+V6j4ZZAJKwRy90TWPKLLw//kEbNAAfr2FRLZfDUnR\n 4mrnBmeZ/9ixgcbb6Ox2KtrvuqwayoqUYL8+KIFjWBWId/cdpExK0YWdLwcoRvsu/VN7F4oI7KJ\n Fm2tiMCdqvhXysRB57la4peX4N+I9InNGS2OMJEtCoiyUlj9JtM/QuxQRdKu0FB0Y9KfKgocex/\n iWiG7EXJwam+g+OEMFM1XoQFpGqPMOVJ6QjeQqNsGr00a4h/vrBkt/js+FH7/w=", "X-Proofpoint-GUID": "lr3D4EwNRaeDvwZp3yMyj5heHmSQJdV1", "X-Authority-Info-Out": "v=2.4 cv=W9M1lBWk c=1 sm=1 tr=0 ts=69e406d8\n cx=c_apl:c_pps:t_out a=YrL12D//S6tul8v/L+6tKg==:117\n a=YrL12D//S6tul8v/L+6tKg==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=givlr1pFTcEyfNb0yRoA:9", "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=2026-04-18_06,2026-04-17_04,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=notspam policy=default score=0 bulkscore=0\n spamscore=0 mlxlogscore=981 lowpriorityscore=0 clxscore=1030 adultscore=0\n malwarescore=0 suspectscore=0 phishscore=0 mlxscore=0 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2604180228", "Received-SPF": "pass client-ip=57.103.77.191;\n 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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n 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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "This corresponds to HV_X64_MSR_GUEST_IDLE (0x400000f0).\n\nThis enlightenment is only available by the HV when using the Hyper-V LAPIC.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/i386/whpx/whpx-all.c | 1 +\n 1 file changed, 1 insertion(+)", "diff": "diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c\nindex 550f30d50a..f856022a87 100644\n--- a/target/i386/whpx/whpx-all.c\n+++ b/target/i386/whpx/whpx-all.c\n@@ -2686,6 +2686,7 @@ int whpx_accel_init(AccelState *as, MachineState *ms)\n synthetic_features.Bank0.AccessIntrCtrlRegs = 1;\n synthetic_features.Bank0.SyntheticClusterIpi = 1;\n synthetic_features.Bank0.DirectSyntheticTimers = 1;\n+ synthetic_features.Bank0.AccessGuestIdleReg = 1;\n /*\n * These technically work without the Hyper-V LAPIC\n * but behave oddly for multi-core VMs.\n", "prefixes": [ "18/38" ] }