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GET /api/1.1/patches/2230470/?format=api
{ "id": 2230470, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230470/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429183310.12455-7-harshpb@linux.ibm.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/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": "" }, "msgid": "<20260429183310.12455-7-harshpb@linux.ibm.com>", "date": "2026-04-29T18:32:56", "name": "[PULL,06/13] pnv/mpipl: Set thread entry size to be allocated by firmware", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "2e13b5bf6ebc2fad50618e28174d2d4d0a18bac1", "submitter": { "id": 85411, "url": "http://patchwork.ozlabs.org/api/1.1/people/85411/?format=api", "name": "Harsh Prateek Bora", "email": "harshpb@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429183310.12455-7-harshpb@linux.ibm.com/mbox/", "series": [ { "id": 502132, "url": "http://patchwork.ozlabs.org/api/1.1/series/502132/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502132", "date": "2026-04-29T18:32:53", "name": "[PULL,01/13] ppc/pnv: Move SBE host doorbell function to top of file", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502132/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230470/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230470/checks/", "tags": {}, "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=ibm.com header.i=@ibm.com header.a=rsa-sha256\n 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smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP;\n Wed, 29 Apr 2026 18:33:41 +0000 (GMT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=cc\n :content-transfer-encoding:date:from:in-reply-to:message-id\n :mime-version:references:subject:to; s=pp1; bh=iwUegkPNy92tT2KKI\n BBdK8pxen6+oU6N9huKkWVXJZc=; b=BsevSLtORCugGtagGaRUGLVBk6abidOg7\n mdZs/bueqSdE1AcUcd/9pnuRH+CxKcalHocF2fsdgDitbdUZe3P6RaeBzQEGJVF3\n gPQ/fVV/EYliqauA2Q6TERRis3LhfkdYITHztoX8V/E0sNOnMQ/8MMZNvly9O+qt\n N+XyTdZ9w0XFkRRn/TWWa8BT/BI7spOK+Y0zeQoJab+HNCLrAW804cTdFo1c6V7q\n NwZlveV1MPzVSljPloswd65MVJ8dpEz3QrQmb2mXOExKDMzPTPotPFOvceYadVHY\n 4EJ6+nRmttzFYbtAbaGByX7mVcaFNB0mbA7EYUNwd0HU/Yy7vUF1g==", "From": "Harsh Prateek Bora <harshpb@linux.ibm.com>", "To": "qemu-devel@nongnu.org", "Cc": "Aditya Gupta <adityag@linux.ibm.com>,\n Hari Bathini <hbathini@linux.ibm.com>,\n Sourabh Jain <sourabhjain@linux.ibm.com>,\n Shivang Upadhyay <shivangu@linux.ibm.com>", "Subject": "[PULL 06/13] pnv/mpipl: Set thread entry size to be allocated by\n firmware", "Date": "Thu, 30 Apr 2026 00:02:56 +0530", "Message-ID": "<20260429183310.12455-7-harshpb@linux.ibm.com>", "X-Mailer": "git-send-email 2.52.0", "In-Reply-To": "<20260429183310.12455-1-harshpb@linux.ibm.com>", "References": "<20260429183310.12455-1-harshpb@linux.ibm.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Proofpoint-GUID": "8pozYHaVQOxvEfJWWajN51Dq1PXk7ifw", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDI5MDE4NCBTYWx0ZWRfXzPrNr7BWqeWy\n JRlkVOTSQqyWJbLKc/zpIYl24qD94e3o8SZTX4DNNZ/unttGueeBi1FDOfH4eXS7Imox4ly1xVX\n mzUYW0s+SiCyCIZDFFrQPnfsdouKDTHBW+WYheoWrd4VglArtLmlCtd+P3ERY0l1V5+NRwadCxh\n H8R21CSxn4jC7RgElfSdLNEExS4p/J/PcujLBT+NzRlIB4I8XPriN5aNrF3+GU6MThRDJwX7Xka\n 5aAxZjaDG90Paax6fQSOQw+fDK7f18zEvIDunAIyY/06Ro2qXYCpTgM/yUKhEHG/mr3FpL7yojw\n 2FRgBKF4lb1YIUcHWeLzff9Joy94101ieiI3hRit3EC5pVz8wxl6NQ1UERIiQBSQjvBbl1OpGxv\n 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engine=8.22.0-2604200000\n definitions=main-2604290184", "Received-SPF": "pass client-ip=148.163.156.1;\n envelope-from=harshpb@linux.ibm.com;\n helo=mx0a-001b2d01.pphosted.com", "X-Spam_score_int": "-26", "X-Spam_score": "-2.7", "X-Spam_bar": "--", "X-Spam_report": "(-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7,\n RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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: Aditya Gupta <adityag@linux.ibm.com>\n\nSet the \"Thread Register State Entry Size\" that is required by firmware\n(OPAL), to know size of memory to allocate to capture CPU state, in the\nevent of a crash\n\nReviewed-by: Hari Bathini <hbathini@linux.ibm.com>\nReviewed-by: Sourabh Jain <sourabhjain@linux.ibm.com>\nSigned-off-by: Aditya Gupta <adityag@linux.ibm.com>\nTested-by: Shivang Upadhyay <shivangu@linux.ibm.com>\nLink: https://lore.kernel.org/qemu-devel/20260424083837.214947-7-adityag@linux.ibm.com\nSigned-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com>\n---\n hw/ppc/pnv.c | 25 +++++++++++++++++++++++++\n 1 file changed, 25 insertions(+)", "diff": "diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c\nindex 524563dcfc..09b69c355a 100644\n--- a/hw/ppc/pnv.c\n+++ b/hw/ppc/pnv.c\n@@ -748,10 +748,35 @@ static void pnv_powerdown_notify(Notifier *n, void *opaque)\n \n static void pnv_reset(MachineState *machine, ResetType type)\n {\n+ PnvMachineState *pnv = PNV_MACHINE(machine);\n void *fdt;\n \n qemu_devices_reset(type);\n \n+ if (!pnv->mpipl_state.is_next_boot_mpipl) {\n+ /*\n+ * Set the \"Thread Register State Entry Size\", so that firmware can\n+ * allocate enough memory to capture CPU state in the event of a\n+ * crash\n+ */\n+\n+ MpiplProcDumpArea proc_area;\n+\n+ proc_area.version = PROC_DUMP_AREA_VERSION_P9;\n+ proc_area.thread_size = cpu_to_be32(sizeof(MpiplPreservedCPUState));\n+\n+ /* These are to be allocated & assigned by the firmware */\n+ proc_area.alloc_addr = 0;\n+ proc_area.alloc_size = 0;\n+\n+ /* These get assigned after crash, when QEMU preserves the registers */\n+ proc_area.dest_addr = 0;\n+ proc_area.act_size = 0;\n+\n+ cpu_physical_memory_write(PROC_DUMP_AREA_OFF, &proc_area,\n+ sizeof(proc_area));\n+ }\n+\n fdt = machine->fdt;\n cpu_physical_memory_write(PNV_FDT_ADDR, fdt, fdt_totalsize(fdt));\n }\n", "prefixes": [ "PULL", "06/13" ] }