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GET /api/patches/2231412/?format=api
{ "id": 2231412, "url": "http://patchwork.ozlabs.org/api/patches/2231412/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260430172204.1006673-23-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": "<20260430172204.1006673-23-pbonzini@redhat.com>", "list_archive_url": null, "date": "2026-04-30T17:21:28", "name": "[PULL,22/58] target/i386: add new Intel models for MMIO/GDS/RFDS mitigation status", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "3a93099c3d770837fc5a5264436c05893849c6d1", "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/20260430172204.1006673-23-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/2231412/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2231412/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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"<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=170.10.129.124;\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_H4=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: Jon Kohler <jon@nutanix.com>\n\nAdd new bits to ARCH_CAPABILITIES MSR to enumerate the status of the\nMMIO/GDS/RFDS mitigations on Cascade Lake, Ice Lake, Sapphire Rapids,\nand Granite Rapids processors.\n\nThese have been advertised in Intel microcode updates for a while now,\nbut require user space to opt in to advertise them to guests.\n\nNew models are:\n- Cascadelake-Server-v6\n- Icelake-Server-v8\n- SapphireRapids-v7 (note, already got MMIO fixes on commit [1])\n- GraniteRapids-v6\n\n[1] 3baf7ae63505 (\"target/i386: Add few security fix bits in\n ARCH_CAPABILITIES into SapphireRapids CPU model\")\n\nCc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>\nCc: Zhao Liu <zhao1.liu@intel.com>\nSigned-off-by: Jon Kohler <jon@nutanix.com>\nLink: https://lore.kernel.org/r/20260330193428.1663253-3-jon@nutanix.com\nSigned-off-by: Paolo Bonzini <pbonzini@redhat.com>\n---\n target/i386/cpu.c | 41 +++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 41 insertions(+)", "diff": "diff --git a/target/i386/cpu.c b/target/i386/cpu.c\nindex b19bdf99792..196665d83c7 100644\n--- a/target/i386/cpu.c\n+++ b/target/i386/cpu.c\n@@ -4901,6 +4901,17 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ }\n },\n },\n+ { .version = 6,\n+ .note = \"with MMIO/GDS/RFDS mitigation status\",\n+ .props = (PropValue[]) {\n+ { \"fb-clear\", \"on\" },\n+ { \"gds-no\", \"on\" },\n+ { \"psdp-no\", \"on\" },\n+ { \"rfds-no\", \"on\" },\n+ { \"sbdr-ssdp-no\", \"on\" },\n+ { /* end of list */ }\n+ },\n+ },\n { /* end of list */ }\n }\n },\n@@ -5183,6 +5194,18 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ }\n },\n },\n+ {\n+ .version = 8,\n+ .note = \"with MMIO/GDS/RFDS mitigation status\",\n+ .props = (PropValue[]) {\n+ { \"fb-clear\", \"on\" },\n+ { \"gds-no\", \"on\" },\n+ { \"psdp-no\", \"on\" },\n+ { \"rfds-no\", \"on\" },\n+ { \"sbdr-ssdp-no\", \"on\" },\n+ { /* end of list */ }\n+ },\n+ },\n { /* end of list */ }\n }\n },\n@@ -5360,6 +5383,15 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ },\n }\n },\n+ {\n+ .version = 7,\n+ .note = \"with GDS and RFDS mitigation status\",\n+ .props = (PropValue[]) {\n+ { \"gds-no\", \"on\" },\n+ { \"rfds-no\", \"on\" },\n+ { /* end of list */ },\n+ }\n+ },\n { /* end of list */ }\n }\n },\n@@ -5541,6 +5573,15 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ },\n }\n },\n+ {\n+ .version = 6,\n+ .note = \"with GDS and RFDS mitigation status\",\n+ .props = (PropValue[]) {\n+ { \"gds-no\", \"on\" },\n+ { \"rfds-no\", \"on\" },\n+ { /* end of list */ },\n+ }\n+ },\n { /* end of list */ },\n },\n },\n", "prefixes": [ "PULL", "22/58" ] }