patch-i686-amd_c.patch

Fix the build error that started with kernel-3.10.0-1160.53.1.el7:

arch/x86/kernel/cpu/amd.c:644:13: error: 'init_amd_zn' defined but not used [-Werror=unused-function]

 static void init_amd_zn(struct cpuinfo_x86 *c)

             ^

--- a/arch/x86/kernel/cpu/amd.c	2021-12-16 00:34:31.000000000 -0800

+++ b/arch/x86/kernel/cpu/amd.c	2022-01-11 15:11:46.300919942 -0800

@@ -641,6 +641,7 @@ static const int amd_erratum_383[];

 static const int amd_erratum_400[];

 static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum);

+#ifdef CONFIG_X86_64

 static void init_amd_zn(struct cpuinfo_x86 *c)

 {

 	set_cpu_cap(c, X86_FEATURE_ZEN);

@@ -656,6 +657,7 @@ static void init_amd_zn(struct cpuinfo_x

 	if (c->x86_model <= 1 && c->x86_mask <= 1)

 		set_cpu_cap(c, X86_FEATURE_CPB);

 }

+#endif

 static void init_amd(struct cpuinfo_x86 *c)

 {