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GET /api/patches/2202509/?format=api
{ "id": 2202509, "url": "http://patchwork.ozlabs.org/api/patches/2202509/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260227190619.8867-3-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": "<20260227190619.8867-3-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-02-27T19:06:17", "name": "[2/4] whpx: i386: enable all supported host features", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5c4cd73fb88720f8731fa78b5f7f81159d528867", "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/20260227190619.8867-3-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 493800, "url": "http://patchwork.ozlabs.org/api/series/493800/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=493800", "date": "2026-02-27T19:06:17", "name": "whpx: i386: even more changes", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/493800/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2202509/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2202509/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=fiRKPHAb;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Fri, 27 Feb 2026 14:06:33 -0500", "from outbound.mr.icloud.com (unknown [127.0.0.2])\n by p00-icloudmta-asmtp-us-west-2a-100-percent-0 (Postfix) with ESMTPS id\n 6B839180029A; Fri, 27 Feb 2026 19:06:26 +0000 (UTC)", "from localhost.localdomain (unknown [17.57.152.38])\n by p00-icloudmta-asmtp-us-west-2a-100-percent-0 (Postfix) with ESMTPSA id\n EBB8818000A3; Fri, 27 Feb 2026 19:06:24 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1772219187; x=1774811187;\n bh=x5vmcSdYHKQ1byZOmRZeGIdImPo+Cp8DSOTH0Tm5/x8=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=fiRKPHAbhLtbIi4NhOjRl/OvlnKUev0dEbI4z90DCSGY9gNue+vNMTaGmClNVON36TXD05Rrr2buUxVn9Z+T7BobspoDUBJI57W42gAf7XEg0v7qWX1JqDZOpRed/07RP/hIv33x1kpxn5P9fC+IYcOuDnOwpXZtRzvENJdbup9XBCKXD2QqFtniKLA+PdIuZQUDtp46Hh81cQ5M9JwVPJw4Kly3rkks7LKNYUU3YzMuqtIjSUnLzw2BRbKE8UXDvniRbsG2qXJMv2jK9bhPennwf3sr0/4u7cd1R8Bf1jbakyTJhKpqkPcitQgcDdEcZq4YMqozvC/FdU0i3BwuOA==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "Mohamed Mediouni <mohamed@unpredictable.fr>,\n Pedro Barbuda <pbarbuda@microsoft.com>", "Subject": "[PATCH 2/4] whpx: i386: enable all supported host features", "Date": "Fri, 27 Feb 2026 20:06:17 +0100", "Message-ID": "<20260227190619.8867-3-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260227190619.8867-1-mohamed@unpredictable.fr>", "References": "<20260227190619.8867-1-mohamed@unpredictable.fr>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Authority-Info-Out": "v=2.4 cv=a9E9NESF c=1 sm=1 tr=0 ts=69a1eb32\n cx=c_apl:c_apl_out:c_pps a=9OgfyREA4BUYbbCgc0Y0oA==:117\n a=9OgfyREA4BUYbbCgc0Y0oA==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22\n a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=268zvHjo1I8v1SDp_XwA:9", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMjI3MDE2OCBTYWx0ZWRfX7q1Em4Ix0omU\n yR1nONPhsiibmXM9xElV07wcoeSBEZZTgbBEw2ryu3Qnmfj+t6R0k8bzfopn5PPLbJUCdoABcxN\n VDKFmvwja5xRazabUmd6qGNURw4JMpv0M3fo7Uc1rdOx4OuF6+s1M6XcTDtrJ0XZWgGGxawv+Ng\n 62cqVEJyOXD8JzrT3C1JAl/t4v4PMdldGM84c4Xa2p0fME70XiYIOmb29UxDrRNfwIOpFBYLT4j\n X/N1U24BmC+qrMGh46bdnNvJEFIl+z4OYSvYSVNPpWTrhsxNsIw8Ppu2AkQWK0KJoEe8mneE6c2\n Z/Asug/nRFJZgy2ae2UuR+fg76yVSq0nSjRcLG9yPxv/P1fkYxeVysMBvhe80k=", "X-Proofpoint-GUID": "douEmjVZadDod2LZlLKH4PzJcBoce-yH", "X-Proofpoint-ORIG-GUID": "douEmjVZadDod2LZlLKH4PzJcBoce-yH", "X-Proofpoint-Virus-Version": "vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-02-27_03,2026-02-27_03,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=notspam policy=default score=0 bulkscore=0\n suspectscore=0 malwarescore=0 adultscore=0 spamscore=0 mlxlogscore=800\n lowpriorityscore=0 phishscore=0 mlxscore=0 clxscore=1030 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2602270168", "X-JNJ": "\n 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", "Received-SPF": "pass client-ip=57.103.69.74;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.mr.icloud.com", "X-Spam_score_int": "-9", "X-Spam_score": "-1.0", "X-Spam_bar": "-", "X-Spam_report": "(-1.0 / 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_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.706,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.401,\n SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no 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": "Signed-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/i386/whpx/whpx-all.c | 40 +++++++++++++++++++++++++++++++++++++\n 1 file changed, 40 insertions(+)", "diff": "diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c\nindex 90f51fc4dd..ccc52d1f96 100644\n--- a/target/i386/whpx/whpx-all.c\n+++ b/target/i386/whpx/whpx-all.c\n@@ -2007,6 +2007,7 @@ int whpx_accel_init(AccelState *as, MachineState *ms)\n UINT32 whpx_cap_size;\n WHV_PARTITION_PROPERTY prop;\n WHV_CAPABILITY_FEATURES features = {0};\n+ WHV_PROCESSOR_FEATURES_BANKS processor_features;\n \n whpx = &whpx_global;\n \n@@ -2112,6 +2113,45 @@ int whpx_accel_init(AccelState *as, MachineState *ms)\n }\n }\n \n+ /* Set all the supported features, to follow the MSHV example */\n+ memset(&processor_features, 0, sizeof(WHV_PROCESSOR_FEATURES_BANKS));\n+ processor_features.BanksCount = 2;\n+\n+ hr = whp_dispatch.WHvGetCapability(\n+ WHvCapabilityCodeProcessorFeaturesBanks, &processor_features,\n+ sizeof(WHV_PROCESSOR_FEATURES_BANKS), &whpx_cap_size);\n+ if (FAILED(hr)) {\n+ error_report(\"WHPX: Failed to get processor features, hr=%08lx\", hr);\n+ ret = -ENOSPC;\n+ goto error;\n+ }\n+\n+ if (processor_features.Bank1.NestedVirtSupport) {\n+ memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY));\n+ prop.NestedVirtualization = 1;\n+ hr = whp_dispatch.WHvSetPartitionProperty(\n+ whpx->partition,\n+ WHvPartitionPropertyCodeNestedVirtualization,\n+ &prop,\n+ sizeof(WHV_PARTITION_PROPERTY));\n+ if (FAILED(hr)) {\n+ error_report(\"WHPX: Failed to enable nested virtualization, hr=%08lx\", hr);\n+ ret = -EINVAL;\n+ goto error;\n+ }\n+ }\n+\n+ hr = whp_dispatch.WHvSetPartitionProperty(\n+ whpx->partition,\n+ WHvPartitionPropertyCodeProcessorFeaturesBanks,\n+ &processor_features,\n+ sizeof(WHV_PROCESSOR_FEATURES_BANKS));\n+ if (FAILED(hr)) {\n+ error_report(\"WHPX: Failed to set processor features, hr=%08lx\", hr);\n+ ret = -EINVAL;\n+ goto error;\n+ }\n+\n /* Register for MSR and CPUID exits */\n memset(&prop, 0, sizeof(WHV_PARTITION_PROPERTY));\n prop.ExtendedVmExits.X64MsrExit = 1;\n", "prefixes": [ "2/4" ] }