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GET /api/patches/2218906/?format=api
{ "id": 2218906, "url": "http://patchwork.ozlabs.org/api/patches/2218906/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402022921.298818-14-kshk@linux.ibm.com/", "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": "<20260402022921.298818-14-kshk@linux.ibm.com>", "list_archive_url": null, "date": "2026-04-02T02:29:19", "name": "[13/15] s390x/pci: Add a comment explaining S390PCIIOMMU purpose", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "831b531836535d0f5e8e7ec3085f0fbbe681e053", "submitter": { "id": 90249, "url": "http://patchwork.ozlabs.org/api/people/90249/?format=api", "name": "Konstantin Shkolnyy", "email": "kshk@linux.ibm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402022921.298818-14-kshk@linux.ibm.com/mbox/", "series": [ { "id": 498419, "url": "http://patchwork.ozlabs.org/api/series/498419/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=498419", "date": "2026-04-02T02:29:08", "name": "s390x/pci: Implement migration for emulated devices", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498419/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2218906/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2218906/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=ibm.com header.i=@ibm.com header.a=rsa-sha256\n header.s=pp1 header.b=m3J1bxgT;\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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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=eYbBKH1oO13k9TLel\n I7GDEIaC9XcIecLzSyl4dhG1eQ=; b=m3J1bxgTqL98VQVOmjvmHpvx8AkWC35sh\n 9ssdJZZBEOjtvN+EjVkAObFglnUTVQiC1FHZ/3QWpvPQIfoZh9g+e3vt6JfkFeZC\n LCw/vEswIQTAnprZAcGE56kxX1kjmanA8i/u4t3ZQcLTAFYDz+9uLPuS9remYZFV\n ur59FLEhLuhbqvvdNqN73RJdeoRQPZt4iBG2RGlbQoFCeXVUShODFxNZvnd3Lz5r\n BjG19SrhCqXQJejq0z6ioL3gWxUONU8+EkIjh/B6UmjbtNyrRlDCqg2cuFD4lcs6\n 97BnR9DelFNkMBe6XUz73iJavH/l0NrNNaD0tyzQXQ/EUi+1bbnyg==", "From": "Konstantin Shkolnyy <kshk@linux.ibm.com>", "To": "mjrosato@linux.ibm.com", "Cc": "alifm@linux.ibm.com, richard.henderson@linaro.org, iii@linux.ibm.com,\n david@kernel.org, cohuck@redhat.com, pasic@linux.ibm.com,\n borntraeger@linux.ibm.com, qemu-s390x@nongnu.org,\n qemu-devel@nongnu.org, Konstantin Shkolnyy <kshk@linux.ibm.com>", "Subject": "[PATCH 13/15] s390x/pci: Add a comment explaining S390PCIIOMMU\n purpose", "Date": "Wed, 1 Apr 2026 21:29:19 -0500", "Message-Id": "<20260402022921.298818-14-kshk@linux.ibm.com>", "X-Mailer": "git-send-email 2.34.1", "In-Reply-To": "<20260402022921.298818-1-kshk@linux.ibm.com>", "References": "<20260402022921.298818-1-kshk@linux.ibm.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-TM-AS-GCONF": "00", "X-Authority-Analysis": "v=2.4 cv=J6enLQnS c=1 sm=1 tr=0 ts=69cdd4aa cx=c_pps\n a=3Bg1Hr4SwmMryq2xdFQyZA==:117 a=3Bg1Hr4SwmMryq2xdFQyZA==:17\n a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22\n a=RzCfie-kr_QcCd8fBx8p:22 a=VnNF1IyMAAAA:8 a=YbwZhMhe-Yu4dYefToEA:9", "X-Proofpoint-Spam-Details-Enc": "AW1haW4tMjYwNDAyMDAxOSBTYWx0ZWRfX9ZMcq7FOQWjH\n AXcgSds6BNOTMyGSPx+DXJSkEEEEJy3FsZ3mBSHhYu14ieyIDJvUpTNWFbbBCB4YUFpHrDPzfiZ\n gAjHTRlXvUnphQrDqTZH5rNhN86HDAajW0WV8G1mu6HfnGux5cJDSdBE9Hng+k8oPDm8+7rntAw\n Qhamjp/S4BIW79nMJYLaK0k9Mkkj96+CkzZOyxTSrF7efM75ZH9DyHKrlLUQyYwqYkrGD0Lt5O5\n vGVDoqSLAZFTdtdNsmsfr4hhz7zGUyAokCt2/D2ejfcmPX47UMprM3bGEKHlvhnzWow93rxbFXf\n TYBVNF0QFQppDyAhJyS+uJ3saQHbh2vEJ6tjRcNlUNhJTnW/7JlM1wL2VfKUd9DiGRSKZXZHFnf\n ZdZ9/N4sn4PmVg4N02VDy1w71QTYpFlRICiwE83ubWXskL7cN3aIlncK5Pj3qo7Zlf3zQpb3oQb\n aCqe+B4Gjs+CTca5Ytg==", "X-Proofpoint-GUID": "OXu4MXSWDoqWMdGUtq_Mwc5UtaSRD0JR", "X-Proofpoint-ORIG-GUID": "OXu4MXSWDoqWMdGUtq_Mwc5UtaSRD0JR", "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=2026-04-01_05,2026-04-01_02,2025-10-01_01", "X-Proofpoint-Spam-Details": "rule=outbound_notspam policy=outbound score=0\n suspectscore=0 clxscore=1015 adultscore=0 priorityscore=1501 bulkscore=0\n phishscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 impostorscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020019", "Received-SPF": "pass client-ip=148.163.158.5; envelope-from=kshk@linux.ibm.com;\n helo=mx0b-001b2d01.pphosted.com", "X-Spam_score_int": "-6", "X-Spam_score": "-0.7", "X-Spam_bar": "/", "X-Spam_report": "(-0.7 / 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=-0.01, RCVD_IN_MSPIKE_WL=-0.01,\n RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1,\n SPF_HELO_NONE=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: Konstantin Shkolnyy <kshk@linux.ibm.com>\n---\n include/hw/s390x/s390-pci-bus.h | 8 ++++++++\n 1 file changed, 8 insertions(+)", "diff": "diff --git a/include/hw/s390x/s390-pci-bus.h b/include/hw/s390x/s390-pci-bus.h\nindex e3cbee2695..2fab28e6e0 100644\n--- a/include/hw/s390x/s390-pci-bus.h\n+++ b/include/hw/s390x/s390-pci-bus.h\n@@ -271,6 +271,14 @@ typedef struct S390PCIDMACount {\n QTAILQ_ENTRY(S390PCIDMACount) link;\n } S390PCIDMACount;\n \n+/*\n+ * This structure holds the PCI device AddressSpace that QEMU needs to link\n+ * into its internal structures before the zPCI and PCI devices are fully\n+ * initialized. It's a QEMU requirement to provide this \"root\" AddressSpace\n+ * early. The AddressSpace is only actually used for I/O while the PCI\n+ * device is plugged in and configured by the guest, at which time it gets\n+ * additional memory subregions from zPCI device, that can do real work.\n+ */\n struct S390PCIIOMMU {\n Object parent_obj;\n AddressSpace as;\n", "prefixes": [ "13/15" ] }