[PATCH v2 1/4] x86/microcode: Remove Intel's family check on early_microcode_init()

[Alejandro Vallejo <alejandro.vallejo@xxxxxxxxx>]

Intel only suuports 64bits on families 6 and 15, so we can always assume
microcode loading facilities are present and skip the check.

Signed-off-by: Alejandro Vallejo <alejandro.vallejo@xxxxxxxxx>
---
v2:
  * New addition
---
 xen/arch/x86/cpu/microcode/core.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/cpu/microcode/core.c 
b/xen/arch/x86/cpu/microcode/core.c
index c1033f3bc2..29ff38f35c 100644
--- a/xen/arch/x86/cpu/microcode/core.c
+++ b/xen/arch/x86/cpu/microcode/core.c
@@ -854,8 +854,14 @@ int __init early_microcode_init(unsigned long *module_map,
         break;
 
     case X86_VENDOR_INTEL:
-        if ( c->x86 >= 6 )
-            ucode_ops = intel_ucode_ops;
+        /*
+         * Intel introduced microcode loading with family 6. Because we
+         * don't support compiling Xen for 32bit machines we're guaranteed
+         * that at this point we're either in family 15 (Pentium 4) or 6
+         * (everything since then), so microcode facilities are always
+         * present.
+         */
+        ucode_ops = intel_ucode_ops;
         break;
     }
 
-- 
2.34.1