File 5cf16e51-x86-spec-ctrl-Knights-retpoline-safe.patch of Package xen.26345

# Commit e2105180f99d22aad47ee57113015e11d7397e54
# Date 2019-05-31 19:11:29 +0100
# Author Andrew Cooper <andrew.cooper3@citrix.com>
# Committer Andrew Cooper <andrew.cooper3@citrix.com>
x86/spec-ctrl: Knights Landing/Mill are retpoline-safe

They are both Airmont-based and should have been included in c/s 17f74242ccf
"x86/spec-ctrl: Extend repoline safey calcuations for eIBRS and Atom parts".

Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>

--- a/xen/arch/x86/spec_ctrl.c
+++ b/xen/arch/x86/spec_ctrl.c
@@ -551,9 +551,11 @@ static bool __init retpoline_safe(uint64
     case 0x4d: /* Avaton / Rangely (Silvermont) */
     case 0x4c: /* Cherrytrail / Brasswell */
     case 0x4a: /* Merrifield */
+    case 0x57: /* Knights Landing */
     case 0x5a: /* Moorefield */
     case 0x5c: /* Goldmont */
     case 0x5f: /* Denverton */
+    case 0x85: /* Knights Mill */
         return true;
 
     default: