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GET /api/patches/2195171/?format=api
{ "id": 2195171, "url": "http://patchwork.ozlabs.org/api/patches/2195171/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260210135206.229528-23-peter.maydell@linaro.org/", "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": "<20260210135206.229528-23-peter.maydell@linaro.org>", "list_archive_url": null, "date": "2026-02-10T13:52:02", "name": "[PULL,22/26] whpx: arm64: add partition-wide reset on the reboot path", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "da18fc49b6d09d44e763ce9922f491bbb6a07073", "submitter": { "id": 5111, "url": "http://patchwork.ozlabs.org/api/people/5111/?format=api", "name": "Peter Maydell", "email": "peter.maydell@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260210135206.229528-23-peter.maydell@linaro.org/mbox/", "series": [ { "id": 491680, "url": "http://patchwork.ozlabs.org/api/series/491680/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=491680", "date": "2026-02-10T13:51:40", "name": "[PULL,01/26] target/arm/kvm: add constants for new PSCI versions", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/491680/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2195171/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2195171/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=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=uGa0vdTR;\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=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists.gnu.org (lists.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 4f9NNm53jZz1xwN\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 11 Feb 2026 00:55:04 +1100 (AEDT)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1vpoAM-0002Ep-1a; Tue, 10 Feb 2026 08:52:34 -0500", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)\n id 1vpoAI-0002C6-Ap\n for qemu-devel@nongnu.org; Tue, 10 Feb 2026 08:52:30 -0500", "from mail-wm1-x32e.google.com ([2a00:1450:4864:20::32e])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <peter.maydell@linaro.org>)\n id 1vpoAG-0006NF-Rq\n for qemu-devel@nongnu.org; Tue, 10 Feb 2026 08:52:30 -0500", "by mail-wm1-x32e.google.com with SMTP id\n 5b1f17b1804b1-4801eb2c0a5so53544655e9.3\n for <qemu-devel@nongnu.org>; Tue, 10 Feb 2026 05:52:28 -0800 (PST)", "from lanath.. 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helo=mail-wm1-x32e.google.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_DNSWL_NONE=-0.0001, SPF_HELO_NONE=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 <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": "From: Mohamed Mediouni <mohamed@unpredictable.fr>\n\nThis resets non-architectural state to allow for reboots to succeed.\n\nSigned-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>\nReviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>\nReviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>\nSigned-off-by: Peter Maydell <peter.maydell@linaro.org>\n---\n include/system/whpx-internal.h | 2 ++\n target/arm/whpx/whpx-all.c | 2 ++\n 2 files changed, 4 insertions(+)", "diff": "diff --git a/include/system/whpx-internal.h b/include/system/whpx-internal.h\nindex 8ded54a39b..ad6ade223e 100644\n--- a/include/system/whpx-internal.h\n+++ b/include/system/whpx-internal.h\n@@ -86,6 +86,8 @@ void whpx_apic_get(APICCommonState *s);\n X(HRESULT, WHvSetVirtualProcessorInterruptControllerState2, \\\n (WHV_PARTITION_HANDLE Partition, UINT32 VpIndex, PVOID State, \\\n UINT32 StateSize)) \\\n+ X(HRESULT, WHvResetPartition, \\\n+ (WHV_PARTITION_HANDLE Partition)) \\\n \n #define LIST_WINHVEMULATION_FUNCTIONS(X) \\\n X(HRESULT, WHvEmulatorCreateEmulator, (const WHV_EMULATOR_CALLBACKS* Callbacks, WHV_EMULATOR_HANDLE* Emulator)) \\\ndiff --git a/target/arm/whpx/whpx-all.c b/target/arm/whpx/whpx-all.c\nindex 44ef42307b..36c5e30a03 100644\n--- a/target/arm/whpx/whpx-all.c\n+++ b/target/arm/whpx/whpx-all.c\n@@ -497,6 +497,8 @@ int whpx_vcpu_run(CPUState *cpu)\n if (arm_cpu->power_state != PSCI_OFF) {\n whpx_psci_cpu_off(arm_cpu);\n }\n+ /* Partition-wide reset, to reset state for reboots to succeed. */\n+ whp_dispatch.WHvResetPartition(whpx->partition);\n bql_unlock();\n break;\n case WHvRunVpExitReasonNone:\n", "prefixes": [ "PULL", "22/26" ] }