static void init_amd_zen1(struct cpuinfo_x86 *c)
{
- init_amd_zen_common();
fix_erratum_1386(c);
/* Fix up CPUID bits, but only if not virtualised. */
static void init_amd_zen2(struct cpuinfo_x86 *c)
{
- init_amd_zen_common();
init_spectral_chicken(c);
fix_erratum_1386(c);
zen2_zenbleed_check(c);
static void init_amd_zen3(struct cpuinfo_x86 *c)
{
- init_amd_zen_common();
-
if (!cpu_has(c, X86_FEATURE_HYPERVISOR)) {
/*
* Zen3 (Fam19 model < 0x10) parts are not susceptible to
static void init_amd_zen4(struct cpuinfo_x86 *c)
{
- init_amd_zen_common();
-
if (!cpu_has(c, X86_FEATURE_HYPERVISOR))
msr_set_bit(MSR_ZEN4_BP_CFG, MSR_ZEN4_BP_CFG_SHARED_BTB_FIX_BIT);
}
static void init_amd_zen5(struct cpuinfo_x86 *c)
{
- init_amd_zen_common();
}
static void init_amd(struct cpuinfo_x86 *c)
case 0x16: init_amd_jg(c); break;
}
+ /*
+ * Save up on some future enablement work and do common Zen
+ * settings.
+ */
+ if (c->x86 >= 0x17)
+ init_amd_zen_common();
+
if (boot_cpu_has(X86_FEATURE_ZEN1))
init_amd_zen1(c);
else if (boot_cpu_has(X86_FEATURE_ZEN2))