{"id":2231446,"url":"http://patchwork.ozlabs.org/api/patches/2231446/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260430172204.1006673-24-pbonzini@redhat.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","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":"<20260430172204.1006673-24-pbonzini@redhat.com>","list_archive_url":null,"date":"2026-04-30T17:21:29","name":"[PULL,23/58] target/i386: add new Intel models for MBEC enablement","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"04e1072760be5924be2f437023fc8c251ba0f414","submitter":{"id":2701,"url":"http://patchwork.ozlabs.org/api/people/2701/?format=json","name":"Paolo Bonzini","email":"pbonzini@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260430172204.1006673-24-pbonzini@redhat.com/mbox/","series":[{"id":502347,"url":"http://patchwork.ozlabs.org/api/series/502347/?format=json","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/2231446/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2231446/checks/","tags":{},"related":[],"headers":{"Return-Path":"","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) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 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SMTP id\n af79cd13be357-8faaf62d85fmr459136785a.1.1777569800775;\n Thu, 30 Apr 2026 10:23:20 -0700 (PDT)","by 2002:a05:620a:4454:b0:8ea:40cd:1a05 with SMTP id\n af79cd13be357-8faaf62d85fmr459131585a.1.1777569800045;\n Thu, 30 Apr 2026 10:23:20 -0700 (PDT)"],"From":"Paolo Bonzini ","To":"qemu-devel@nongnu.org","Cc":"Jon Kohler ,\n\tZhao Liu ","Subject":"[PULL 23/58] target/i386: add new Intel models for MBEC enablement","Date":"Thu, 30 Apr 2026 19:21:29 +0200","Message-ID":"<20260430172204.1006673-24-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=170.10.129.124;\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 ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","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 \n\nAdd 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 \nCc: Zhao Liu \nSigned-off-by: Jon Kohler \nLink: https://lore.kernel.org/r/20260330193428.1663253-4-jon@nutanix.com\nSigned-off-by: Paolo Bonzini \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 196665d83c7..f4856c61044 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":["PULL","23/58"]}