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GET /api/patches/2217849/?format=api
{ "id": 2217849, "url": "http://patchwork.ozlabs.org/api/patches/2217849/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260330193428.1663253-4-jon@nutanix.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": "<20260330193428.1663253-4-jon@nutanix.com>", "list_archive_url": null, "date": "2026-03-30T19:34:28", "name": "[3/3] target/i386: add new Intel models for MBEC enablement", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "04e1072760be5924be2f437023fc8c251ba0f414", "submitter": { "id": 84134, "url": "http://patchwork.ozlabs.org/api/people/84134/?format=api", "name": "Jon Kohler", "email": "jon@nutanix.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260330193428.1663253-4-jon@nutanix.com/mbox/", "series": [ { "id": 498078, "url": "http://patchwork.ozlabs.org/api/series/498078/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=498078", "date": "2026-03-30T19:34:26", "name": "[1/3] target/i386: add new AMD EPYC models for GMET enablement", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/498078/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217849/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2217849/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=nutanix.com header.i=@nutanix.com header.a=rsa-sha256\n header.s=proofpoint20171006 header.b=FTmh76Qz;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=nutanix.com header.i=@nutanix.com header.a=rsa-sha256\n header.s=selector1 header.b=dcwlkSeq;\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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envelope-from=jon@nutanix.com;\n helo=mx0b-002c1b01.pphosted.com", "X-Spam_score_int": "-12", "X-Spam_score": "-1.3", "X-Spam_bar": "-", "X-Spam_report": "(-1.3 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.54,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001,\n 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": "Add models to expose Mode Based Execute Control (MBEC) support, which\nis a Skylake++ feature.\n\nNote: Future models can use VMX_SECONDARY_EXEC_MODE_BASED_EPT_EXEC to\neasily add default support.\n\nNew models are:\n- Skylake-Server-v6\n- Cascadelake-Server-v7\n- Icelake-Server-v9\n- SapphireRapids-v8\n- GraniteRapids-v7\n- DiamondRapids-v2\n- SierraForest-v6\n- ClearwaterForest-v4\n\nCc: Paolo Bonzini <pbonzini@redhat.com>\nCc: Zhao Liu <zhao1.liu@intel.com>\nSigned-off-by: Jon Kohler <jon@nutanix.com>\n---\n target/i386/cpu.c | 67 +++++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 67 insertions(+)", "diff": "diff --git a/target/i386/cpu.c b/target/i386/cpu.c\nindex aa7a91c0e3..0fc7132ef3 100644\n--- a/target/i386/cpu.c\n+++ b/target/i386/cpu.c\n@@ -4767,6 +4767,14 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ }\n }\n },\n+ {\n+ .version = 6,\n+ .note = \"with MBEC enabled\",\n+ .props = (PropValue[]) {\n+ { \"vmx-mbec\", \"on\" },\n+ { /* end of list */ }\n+ }\n+ },\n { /* end of list */ }\n }\n },\n@@ -4912,6 +4920,13 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ }\n },\n },\n+ { .version = 7,\n+ .note = \"with MBEC enabled\",\n+ .props = (PropValue[]) {\n+ { \"vmx-mbec\", \"on\" },\n+ { /* end of list */ }\n+ },\n+ },\n { /* end of list */ }\n }\n },\n@@ -5206,6 +5221,14 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ }\n },\n },\n+ {\n+ .version = 9,\n+ .note = \"with MBEC enabled\",\n+ .props = (PropValue[]) {\n+ { \"vmx-mbec\", \"on\" },\n+ { /* end of list */ }\n+ }\n+ },\n { /* end of list */ }\n }\n },\n@@ -5392,6 +5415,14 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ },\n }\n },\n+ {\n+ .version = 8,\n+ .note = \"with MBEC enabled\",\n+ .props = (PropValue[]) {\n+ { \"vmx-mbec\", \"on\" },\n+ { /* end of list */ },\n+ }\n+ },\n { /* end of list */ }\n }\n },\n@@ -5582,6 +5613,14 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ },\n }\n },\n+ {\n+ .version = 7,\n+ .note = \"with MBEC enabled\",\n+ .props = (PropValue[]) {\n+ { \"vmx-mbec\", \"on\" },\n+ { /* end of list */ },\n+ }\n+ },\n { /* end of list */ },\n },\n },\n@@ -5776,6 +5815,18 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n .features[FEAT_VMX_VMFUNC] = MSR_VMX_VMFUNC_EPT_SWITCHING,\n .xlevel = 0x80000008,\n .model_id = \"Intel Xeon Processor (DiamondRapids)\",\n+ .versions = (X86CPUVersionDefinition[]) {\n+ { .version = 1 },\n+ {\n+ .version = 2,\n+ .note = \"with MBEC enabled\",\n+ .props = (PropValue[]) {\n+ { \"vmx-mbec\", \"on\" },\n+ { /* end of list */ },\n+ }\n+ },\n+ { /* end of list */ },\n+ },\n },\n {\n .name = \"SierraForest\",\n@@ -5947,6 +5998,14 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ },\n }\n },\n+ {\n+ .version = 6,\n+ .note = \"with MBEC enabled\",\n+ .props = (PropValue[]) {\n+ { \"vmx-mbec\", \"on\" },\n+ { /* end of list */ },\n+ }\n+ },\n { /* end of list */ },\n },\n },\n@@ -6103,6 +6162,14 @@ static const X86CPUDefinition builtin_x86_defs[] = {\n { /* end of list */ },\n }\n },\n+ {\n+ .version = 4,\n+ .note = \"with MBEC enabled\",\n+ .props = (PropValue[]) {\n+ { \"vmx-mbec\", \"on\" },\n+ { /* end of list */ },\n+ }\n+ },\n { /* end of list */ },\n },\n },\n", "prefixes": [ "3/3" ] }