[PATCH 2/5] target/i386: introduce SapphireRapids-v5 to expose ITS_NO

[Jon Kohler <jon@nutanix.com>]

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>
---
 target/i386/cpu.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 6417775786..e579b790e0 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5111,6 +5111,15 @@ static const X86CPUDefinition builtin_x86_defs[] = {
                     { /* end of list */ },
                 }
             },
+            {
+                .version = 5,
+                .note = "with ITS_NO",
+                .cache_info = &xeon_spr_cache_info,
+                .props = (PropValue[]) {
+                    { "its-no", "on" },
+                    { /* end of list */ },
+                }
+            },
             { /* end of list */ }
         }
     },
-- 
2.43.0