diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/amd.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 82747b6bc6e0..f53e0a227ac5 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -1017,7 +1017,7 @@ void init_spectral_chicken(struct cpuinfo_x86 *c) #endif } -static void init_amd_zn(struct cpuinfo_x86 *c) +static void init_amd_zen_common(void) { #ifdef CONFIG_NUMA node_reclaim_distance = 32; @@ -1026,6 +1026,7 @@ static void init_amd_zn(struct cpuinfo_x86 *c) static void init_amd_zen(struct cpuinfo_x86 *c) { + init_amd_zen_common(); fix_erratum_1386(c); /* Fix up CPUID bits, but only if not virtualised. */ @@ -1075,16 +1076,20 @@ static void zenbleed_check(struct cpuinfo_x86 *c) } else { msr_clear_bit(MSR_AMD64_DE_CFG, MSR_AMD64_DE_CFG_ZEN2_FP_BACKUP_FIX_BIT); } + } static void init_amd_zen2(struct cpuinfo_x86 *c) { + init_amd_zen_common(); init_spectral_chicken(c); fix_erratum_1386(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 @@ -1098,6 +1103,7 @@ static void init_amd_zen3(struct cpuinfo_x86 *c) static void init_amd_zen4(struct cpuinfo_x86 *c) { + init_amd_zen_common(); } static void init_amd(struct cpuinfo_x86 *c) @@ -1135,9 +1141,6 @@ 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)) |