Commit 856cb7bd35 for qemu.org

commit 856cb7bd35c1e79682b4448cb2e8c5f8c2077541
Author: Jon Kohler <jon@nutanix.com>
Date:   Thu Nov 6 10:46:22 2025 -0700

    target/i386: introduce SapphireRapids-v6 to expose ITS_NO

    Expose ITS_NO by default, as users using Sapphire Rapids and higher
    CPU models would not be able to live migrate to lower CPU hosts due to
    missing features. In that case, they would not be vulnerable to ITS.

    its-no was originally added on [1], but needs to be exposed on the
    individual CPU models for the guests to see by default.

    [1] 74978391b2da ("target/i386: Make ITS_NO available to guests")

    Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
    Signed-off-by: Jon Kohler <jon@nutanix.com>
    Link: https://lore.kernel.org/r/20251106174626.49930-3-jon@nutanix.com
    Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 619ed0de32..81779483d3 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5261,6 +5261,15 @@ static const X86CPUDefinition builtin_x86_defs[] = {
                     { /* end of list */ },
                 }
             },
+            {
+                .version = 6,
+                .note = "with cet-ss, cet-ibt, its-no",
+                .cache_info = &xeon_spr_cache_info,
+                .props = (PropValue[]) {
+                    { "its-no", "on" },
+                    { /* end of list */ },
+                }
+            },
             { /* end of list */ }
         }
     },