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[PATCH 1/2] x86/intel: insert Ice Lake X (server) model numbers



LBR, C-state MSRs and if_pschange_mc erratum applicability should correspond
to Ice Lake desktop according to External Design Specification vol.2.

Signed-off-by: Igor Druzhinin <igor.druzhinin@xxxxxxxxxx>
---
 xen/arch/x86/acpi/cpu_idle.c | 1 +
 xen/arch/x86/hvm/vmx/vmx.c   | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/xen/arch/x86/acpi/cpu_idle.c b/xen/arch/x86/acpi/cpu_idle.c
index 27e0b52..7ad726a 100644
--- a/xen/arch/x86/acpi/cpu_idle.c
+++ b/xen/arch/x86/acpi/cpu_idle.c
@@ -183,6 +183,7 @@ static void do_get_hw_residencies(void *arg)
     /* Ice Lake */
     case 0x7D:
     case 0x7E:
+    case 0x6A:
     /* Kaby Lake */
     case 0x8E:
     case 0x9E:
diff --git a/xen/arch/x86/hvm/vmx/vmx.c b/xen/arch/x86/hvm/vmx/vmx.c
index 86b8916..bce8b99 100644
--- a/xen/arch/x86/hvm/vmx/vmx.c
+++ b/xen/arch/x86/hvm/vmx/vmx.c
@@ -2429,6 +2429,7 @@ static bool __init has_if_pschange_mc(void)
     case 0x55: /* Skylake-X / Cascade Lake */
     case 0x7d: /* Ice Lake */
     case 0x7e: /* Ice Lake */
+    case 0x6a: /* Ice Lake-X */
     case 0x8e: /* Kaby / Coffee / Whiskey Lake M */
     case 0x9e: /* Kaby / Coffee / Whiskey Lake D */
     case 0xa5: /* Comet Lake H/S */
@@ -2775,7 +2776,7 @@ static const struct lbr_info *last_branch_msr_get(void)
         /* Goldmont Plus */
         case 0x7a:
         /* Ice Lake */
-        case 0x7d: case 0x7e:
+        case 0x7d: case 0x7e: case 0x6a:
         /* Tremont */
         case 0x86:
         /* Kaby Lake */
-- 
2.7.4




 


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