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GET /api/patches/2231425/?format=api
{ "id": 2231425, "url": "http://patchwork.ozlabs.org/api/patches/2231425/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260430172204.1006673-19-pbonzini@redhat.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": "<20260430172204.1006673-19-pbonzini@redhat.com>", "list_archive_url": null, "date": "2026-04-30T17:21:24", "name": "[PULL,18/58] hw/qdev: Clarify fallback order in qdev_get_printable_name()", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "70991e493bff7f73dfc5975f2f913961892dfcae", "submitter": { "id": 2701, "url": "http://patchwork.ozlabs.org/api/people/2701/?format=api", "name": "Paolo Bonzini", "email": "pbonzini@redhat.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260430172204.1006673-19-pbonzini@redhat.com/mbox/", "series": [ { "id": 502347, "url": "http://patchwork.ozlabs.org/api/series/502347/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502347", "date": "2026-04-30T17:21:16", "name": "[PULL,01/58] pythondeps: bump to meson 1.11.1", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502347/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2231425/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2231425/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 (1024-bit key;\n unprotected) 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+585yUAiQyQOwDdh4h5g0IiqrR2d5VxAJYr+Tv8bmOViBtFVpGUeCwDN6oAVYnpZQjTs9h2gpUR\n c/29NROfe7pVAV2wmTuD+8Dheayo6DelqKIMOfpC3daRmnh0L1lff0FrENN7CUs1Bv6x5JbNsmK\n jZ2bjLY2QjJ1yG77XH9kkXTqqgkuZT6Kc1a5c=", "X-Received": [ "by 2002:a05:6214:4699:b0:8b1:f5da:f811 with SMTP id\n 6a1803df08f44-8b3fe808413mr62036386d6.48.1777569786153;\n Thu, 30 Apr 2026 10:23:06 -0700 (PDT)", "by 2002:a05:6214:4699:b0:8b1:f5da:f811 with SMTP id\n 6a1803df08f44-8b3fe808413mr62035586d6.48.1777569785340;\n Thu, 30 Apr 2026 10:23:05 -0700 (PDT)" ], "From": "Paolo Bonzini <pbonzini@redhat.com>", "To": "qemu-devel@nongnu.org", "Cc": "Alessandro Ratti <alessandro@0x65c.net>,\n Markus Armbruster <armbru@redhat.com>", "Subject": "[PULL 18/58] hw/qdev: Clarify fallback order in\n qdev_get_printable_name()", "Date": "Thu, 30 Apr 2026 19:21:24 +0200", "Message-ID": "<20260430172204.1006673-19-pbonzini@redhat.com>", "X-Mailer": "git-send-email 2.54.0", "In-Reply-To": "<20260430172204.1006673-1-pbonzini@redhat.com>", "References": "<20260430172204.1006673-1-pbonzini@redhat.com>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=170.10.133.124;\n envelope-from=pbonzini@redhat.com;\n helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001,\n SPF_HELO_PASS=-0.001, 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: Alessandro Ratti <alessandro@0x65c.net>\n\nReplace the uninformative \"<unknown device>\" final fallback with the\ncanonical QOM path (e.g. /machine/peripheral-anon/device[0]).\n\nAlso clean up comments to accurately describe qdev_get_dev_path()\nbehavior, drop an unnecessary comment on the dev->id check, and rename\nthe @vdev parameter to @dev for consistency with surrounding code.\n\nUpdate the doc comment in qdev.h to reflect the new fallback chain.\n\nSigned-off-by: Alessandro Ratti <alessandro@0x65c.net>\nReviewed-by: Markus Armbruster <armbru@redhat.com>\nLink: https://lore.kernel.org/r/20260321100405.1525059-2-alessandro@0x65c.net\nSigned-off-by: Paolo Bonzini <pbonzini@redhat.com>\n---\n include/hw/core/qdev.h | 8 +++-----\n hw/core/qdev.c | 26 +++++++-------------------\n 2 files changed, 10 insertions(+), 24 deletions(-)", "diff": "diff --git a/include/hw/core/qdev.h b/include/hw/core/qdev.h\nindex 337d69ea2c3..226bd662901 100644\n--- a/include/hw/core/qdev.h\n+++ b/include/hw/core/qdev.h\n@@ -1067,11 +1067,9 @@ char *qdev_get_dev_path(DeviceState *dev);\n * user-facing error messages. The function will never return NULL,\n * so the name can be used without further checking or fallbacks.\n *\n- * If the device has an explicitly set ID (e.g. by the user on the\n- * command line via \"-device thisdev,id=myid\") this is preferred.\n- * Otherwise we try the canonical QOM device path (which will be\n- * the PCI ID for PCI devices, for example). If all else fails\n- * we will return the placeholder \"<unknown device\">.\n+ * Return the device's ID if it has one. Else, return the path of a\n+ * device on its bus if it has one. Else return its canonical QOM\n+ * path.\n */\n const char *qdev_get_printable_name(DeviceState *dev);\n \ndiff --git a/hw/core/qdev.c b/hw/core/qdev.c\nindex b36101f3a75..78156185d57 100644\n--- a/hw/core/qdev.c\n+++ b/hw/core/qdev.c\n@@ -412,33 +412,21 @@ char *qdev_get_dev_path(DeviceState *dev)\n return NULL;\n }\n \n-const char *qdev_get_printable_name(DeviceState *vdev)\n+const char *qdev_get_printable_name(DeviceState *dev)\n {\n- /*\n- * Return device ID if explicity set\n- * (e.g. -device virtio-blk-pci,id=foo)\n- * This allows users to correlate errors with their custom device\n- * names.\n- */\n- if (vdev->id) {\n- return g_strdup(vdev->id);\n+ if (dev->id) {\n+ return g_strdup(dev->id);\n }\n /*\n- * Fall back to the canonical QOM device path (eg. ID for PCI\n- * devices).\n- * This ensures the device is still uniquely and meaningfully\n- * identified.\n+ * Fall back to a bus-specific device path, if the bus\n+ * provides one (e.g. PCI address \"0000:00:04.0\").\n */\n- const char *path = qdev_get_dev_path(vdev);\n+ const char *path = qdev_get_dev_path(dev);\n if (path) {\n return path;\n }\n \n- /*\n- * Final fallback: if all else fails, return a placeholder string.\n- * This ensures the error message always contains a valid string.\n- */\n- return g_strdup(\"<unknown device>\");\n+ return object_get_canonical_path(OBJECT(dev));\n }\n \n void qdev_add_unplug_blocker(DeviceState *dev, Error *reason)\n", "prefixes": [ "PULL", "18/58" ] }