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GET /api/patches/2196601/?format=api
{ "id": 2196601, "url": "http://patchwork.ozlabs.org/api/patches/2196601/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260215112543.4817-10-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": "<20260215112543.4817-10-mohamed@unpredictable.fr>", "list_archive_url": null, "date": "2026-02-15T11:25:38", "name": "[v10,09/14] hvf: arm: allow exposing minimal PMU when running with nested virt on", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "741a8f93a1750e19d23f58cf4d0f3d2e16ed3055", "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/20260215112543.4817-10-mohamed@unpredictable.fr/mbox/", "series": [ { "id": 492211, "url": "http://patchwork.ozlabs.org/api/series/492211/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492211", "date": "2026-02-15T11:25:32", "name": "HVF: Add support for platform vGIC and nested virtualisation", "version": 10, "mbox": "http://patchwork.ozlabs.org/series/492211/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2196601/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2196601/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=PUhI02Xu;\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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Sun, 15 Feb 2026 06:26:15 -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 31920180018C; Sun, 15 Feb 2026 11:26:09 +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 A99951800145; Sun, 15 Feb 2026 11:26:06 +0000 (UTC)" ], "Dkim-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=unpredictable.fr;\n s=sig1; t=1771154770; x=1773746770;\n bh=fXwYscBvvtHt1b3c45aaMrtykZ4/ZWPzlwZ5Y4HBqO4=;\n h=From:To:Subject:Date:Message-ID:MIME-Version:x-icloud-hme;\n b=PUhI02Xu2UnuMth3Pl1r0LhrD6zXnWNWsGz5RxZ4m9HXA/2FINZFOc0tqK8QOLFU4C/PtQsLMX4U0lTllyvEcOWKIF0ULal9HfJ0khRUjxe78+gVB0GCM4IBbhw0h+vicKhERGzqjJpd3SxbgG5TUHaz6b3YkbszeQM3R5OqQD9MeOO5B5fwJrT/ZThtEs8gETwuOU20ortdKQb+Bi2oTKRIh3TrhYLnhmieSaFPn2K4K1YN1cNZmnPbUIv9OHjMSwUIap1IW3IUl80tdjXnMY9ysUZNJ94xhmrxlxKXTa6Q6t/zHzpEWDQGbcNGYaeG3wvVlgRa7qzX5kl4Q2Np5g==", "mail-alias-created-date": "1752046281608", "From": "Mohamed Mediouni <mohamed@unpredictable.fr>", "To": "qemu-devel@nongnu.org", "Cc": "qemu-arm@nongnu.org, Peter Maydell <peter.maydell@linaro.org>,\n Mads Ynddal <mads@ynddal.dk>, Roman Bolshakov <rbolshakov@ddn.com>,\n Phil Dennis-Jordan <phil@philjordan.eu>, Alexander Graf <agraf@csgraf.de>,\n Paolo Bonzini <pbonzini@redhat.com>, Cameron Esfahani <dirty@apple.com>,\n Mohamed Mediouni <mohamed@unpredictable.fr>", "Subject": "[PATCH v10 09/14] hvf: arm: allow exposing minimal PMU when running\n with nested virt on", "Date": "Sun, 15 Feb 2026 12:25:38 +0100", "Message-ID": "<20260215112543.4817-10-mohamed@unpredictable.fr>", "X-Mailer": "git-send-email 2.50.1", "In-Reply-To": "<20260215112543.4817-1-mohamed@unpredictable.fr>", "References": "<20260215112543.4817-1-mohamed@unpredictable.fr>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-Proofpoint-GUID": "HRsGl5R5cTCJ2cFH03flXbArNxYXOSme", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwMjE1MDA5MiBTYWx0ZWRfXzvvrL8/0/AX4\n mh/knK7g1CEEMH6DGIW6Q5G4NapcEaHfJySJRt+Sb7VIwrejhyTpkJieZbTrNwEmUDFlJ4upPru\n qFWZTGCr4Zfm5I372VWA7hx3KQZzMB+oo9aESA1PeVMSmq4D18HuTsvvhChmp8rgiKJvDBCDdk3\n mEYo92J54d4phnBAeZfY2v5CToQBARgQI3s4yshc0OAWBXbwSp/3k46vFWE35h6a9eNydv5y1LY\n GkkIQmLdIp4k/LrjhkgrdDg4noX2dnAZi4mve4e7kDnDiJ9GriWWBYtrTYXE2cg3QmVxBtLIRSr\n 3AR+u9GZ/x4+6iHWeU6wTJIvzKfBDd9Z4AwCwo1tcT8Nh0jBS+KE5RVkH0iYbo=", "X-Proofpoint-ORIG-GUID": "HRsGl5R5cTCJ2cFH03flXbArNxYXOSme", "X-Authority-Info-Out": "v=2.4 cv=SPxPlevH c=1 sm=1 tr=0 ts=6991ad52\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=z0ix_qRbhGH81XwssrYA:9\n a=NqO74GWdXPXpGKcKHaDJD/ajO6k=:19", "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=2026-02-15_04,2026-02-13_01,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=notspam policy=default score=0 phishscore=0\n suspectscore=0 bulkscore=0 malwarescore=0 mlxlogscore=638 spamscore=0\n lowpriorityscore=0 adultscore=0 mlxscore=0 clxscore=1030 classifier=spam\n authscore=0 adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000\n definitions=main-2602150092", "X-JNJ": "\n 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", "Received-SPF": "pass client-ip=57.103.68.90;\n envelope-from=mohamed@unpredictable.fr; helo=outbound.mr.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 RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001,\n SPF_HELO_PASS=-0.001,\n SPF_PASS=-0.001 autolearn=unavailable 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": "When running with nested virt on, a minimum PMU is exposed by Hypervisor.framework\nif a valid PMUVer register value is set. That PMU isn't exposed otherwise.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\n---\n target/arm/hvf/hvf.c | 4 ++++\n 1 file changed, 4 insertions(+)", "diff": "diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c\nindex be1ff93e0e..0f45e22221 100644\n--- a/target/arm/hvf/hvf.c\n+++ b/target/arm/hvf/hvf.c\n@@ -879,6 +879,10 @@ static bool hvf_arm_get_host_cpu_features(ARMHostCPUFeatures *ahcf)\n SET_IDREG(&host_isar, ID_AA64PFR1,\n GET_IDREG(&host_isar, ID_AA64PFR1) & ~R_ID_AA64PFR1_SME_MASK);\n \n+ if (hvf_nested_virt_enabled()) {\n+ FIELD_DP64_IDREG(&host_isar, ID_AA64DFR0, PMUVER, 0x1);\n+ }\n+\n ahcf->isar = host_isar;\n \n /*\n", "prefixes": [ "v10", "09/14" ] }