x86/CPU/AMD: Rename init_amd_zn() to init_amd_zen_common()

Commit 7c81ad8 upstream.

Call it from all Zen init functions.

Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Link: http://lore.kernel.org/r/20231120104152.13740-7-bp@alien8.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: bp3tk0v

arch/x86/kernel/cpu/amd.c

@@ -1069,11 +1069,16 @@ void init_spectral_chicken(struct cpuinfo_x86 *c)
 	clear_cpu_cap(c, X86_FEATURE_XSAVES);
 }
 
-static void init_amd_zn(struct cpuinfo_x86 *c)
+static void init_amd_zen_common(void)
 {
 #ifdef CONFIG_NUMA
 	node_reclaim_distance = 32;
 #endif
+}
+
+static void init_amd_zen(struct cpuinfo_x86 *c)
+{
+	init_amd_zen_common();
 
 	/* Fix up CPUID bits, but only if not virtualised. */
 	if (!cpu_has(c, X86_FEATURE_HYPERVISOR)) {
@@ -1136,21 +1141,20 @@ static void zenbleed_check(struct cpuinfo_x86 *c)
 	}
 }
 
-static void init_amd_zen(struct cpuinfo_x86 *c)
-{
-}
-
 static void init_amd_zen2(struct cpuinfo_x86 *c)
 {
+	init_amd_zen_common();
 	init_spectral_chicken(c);
 }
 
 static void init_amd_zen3(struct cpuinfo_x86 *c)
 {
+	init_amd_zen_common();
 }
 
 static void init_amd_zen4(struct cpuinfo_x86 *c)
 {
+	init_amd_zen_common();
 }
 
 static void init_amd(struct cpuinfo_x86 *c)
@@ -1182,9 +1186,6 @@ static void init_amd(struct cpuinfo_x86 *c)
 	case 0x12: init_amd_ln(c); break;
 	case 0x15: init_amd_bd(c); break;
 	case 0x16: init_amd_jg(c); break;
-	case 0x17:
-		   fallthrough;
-	case 0x19: init_amd_zn(c); break;
 	}
 
 	if (boot_cpu_has(X86_FEATURE_ZEN))