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GET /api/1.2/patches/2222516/?format=api
{ "id": 2222516, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2222516/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/CAFFE2avrHDKZd5m7j3E3x5=F=pzn-3c9vzGWP3+9-AVPwQng7w@mail.gmail.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.2/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": "<CAFFE2avrHDKZd5m7j3E3x5=F=pzn-3c9vzGWP3+9-AVPwQng7w@mail.gmail.com>", "list_archive_url": null, "date": "2026-04-12T15:17:19", "name": "hw/i386/intel_iommu: advertise PT in ECAP, not CAP", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bb869cb6acb36a30e353c506a43352cdade5db01", "submitter": { "id": 93124, "url": "http://patchwork.ozlabs.org/api/1.2/people/93124/?format=api", "name": "Paulian Bogdan Marinca", "email": "paulian@marinca.net" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/CAFFE2avrHDKZd5m7j3E3x5=F=pzn-3c9vzGWP3+9-AVPwQng7w@mail.gmail.com/mbox/", "series": [ { "id": 499612, "url": "http://patchwork.ozlabs.org/api/1.2/series/499612/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499612", "date": "2026-04-12T15:17:19", "name": "hw/i386/intel_iommu: advertise PT in ECAP, not CAP", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/499612/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2222516/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2222516/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=marinca-net.20251104.gappssmtp.com\n header.i=@marinca-net.20251104.gappssmtp.com header.a=rsa-sha256\n header.s=20251104 header.b=lHMpku0j;\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, 12 Apr 2026\n 08:17:30 -0700 (PDT)", "MIME-Version": "1.0", "From": "Paulian Bogdan Marinca <paulian@marinca.net>", "Date": "Sun, 12 Apr 2026 18:17:19 +0300", "X-Gm-Features": "AQROBzAtQHK-VTX8ZbGeVtHt7kxPfbs0qQUnCXVoy1ILI6u83lt_ZPvtMt2s17g", "Message-ID": "\n <CAFFE2avrHDKZd5m7j3E3x5=F=pzn-3c9vzGWP3+9-AVPwQng7w@mail.gmail.com>", "Subject": "[PATCH] hw/i386/intel_iommu: advertise PT in ECAP, not CAP", "To": "qemu-devel@nongnu.org", "Content-Type": "text/plain; charset=\"UTF-8\"", "Received-SPF": "none client-ip=2a00:1450:4864:20::235;\n envelope-from=paulian@marinca.net; helo=mail-lj1-x235.google.com", "X-Spam_score_int": "-18", "X-Spam_score": "-1.9", "X-Spam_bar": "-", "X-Spam_report": "(-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_NONE=0.001 autolearn=ham autolearn_force=no", "X-Spam_action": "no action", "X-Mailman-Approved-At": "Sun, 12 Apr 2026 11:31:50 -0400", "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": "commit acf7e2c93cb3efda0add6fd5f3b5b447e63d6367 (HEAD -> master)\nAuthor: paulian <paulian@marinca.net>\nDate: Sun Apr 12 18:08:45 2026 +0300\n\n hw/i386/intel_iommu: advertise PT in ECAP, not CAP\n\n Commit c7b2e22bd957 (\"hw/i386/x86-iommu: Remove X86IOMMUState::pt_supported\n field\") made pass-through translation type always supported, but moved\n VTD_ECAP_PT into s->cap in vtd_cap_init().\n\n VTD_ECAP_PT is an ECAP bit, not a CAP bit, and the rest of the VT-d code\n checks it via s->ecap. Advertise PT in s->ecap and stop setting the bit in\n s->cap.\n\n Fixes: c7b2e22bd957 (\"hw/i386/x86-iommu: Remove\nX86IOMMUState::pt_supported field\")\n Signed-off-by: Paulian Marinca <paulian@marinca.net>", "diff": "diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c\nindex f395fa248c..7b2cead8f8 100644\n--- a/hw/i386/intel_iommu.c\n+++ b/hw/i386/intel_iommu.c\n@@ -4998,7 +4998,7 @@ static void vtd_cap_init(IntelIOMMUState *s)\n {\n X86IOMMUState *x86_iommu = X86_IOMMU_DEVICE(s);\n\n- s->cap = VTD_CAP_FRO | VTD_CAP_NFR | VTD_CAP_ND | VTD_ECAP_PT |\n+ s->cap = VTD_CAP_FRO | VTD_CAP_NFR | VTD_CAP_ND |\n VTD_CAP_MAMV | VTD_CAP_PSI | VTD_CAP_SSLPS | VTD_CAP_DRAIN |\n VTD_CAP_ESRTPS | VTD_CAP_MGAW(s->aw_bits);\n if (x86_iommu->dma_translation) {\n@@ -5009,7 +5009,7 @@ static void vtd_cap_init(IntelIOMMUState *s)\n s->cap |= VTD_CAP_SAGAW_48bit;\n }\n }\n- s->ecap = VTD_ECAP_QI | VTD_ECAP_IRO;\n+ s->ecap = VTD_ECAP_QI | VTD_ECAP_IRO | VTD_ECAP_PT;\n\n if (x86_iommu_ir_supported(x86_iommu)) {\n s->ecap |= VTD_ECAP_IR | VTD_ECAP_MHMV;\n", "prefixes": [] }