diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index 71503181bffd..d8a0dc01a7db 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -70,12 +70,6 @@ static const int amd_erratum_383[] = static const int amd_erratum_1054[] = AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0, 0, 0x2f, 0xf)); -static const int amd_zenbleed[] = - AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0x30, 0x0, 0x4f, 0xf), - AMD_MODEL_RANGE(0x17, 0x60, 0x0, 0x7f, 0xf), - AMD_MODEL_RANGE(0x17, 0x90, 0x0, 0x91, 0xf), - AMD_MODEL_RANGE(0x17, 0xa0, 0x0, 0xaf, 0xf)); - static const int amd_div0[] = AMD_LEGACY_ERRATUM(AMD_MODEL_RANGE(0x17, 0x00, 0x0, 0x2f, 0xf), AMD_MODEL_RANGE(0x17, 0x50, 0x0, 0x5f, 0xf)); @@ -1073,11 +1067,8 @@ static bool cpu_has_zenbleed_microcode(void) return true; } -static void zenbleed_check(struct cpuinfo_x86 *c) +static void zen2_zenbleed_check(struct cpuinfo_x86 *c) { - if (!cpu_has_amd_erratum(c, amd_zenbleed)) - return; - if (cpu_has(c, X86_FEATURE_HYPERVISOR)) return; @@ -1095,6 +1086,7 @@ static void zenbleed_check(struct cpuinfo_x86 *c) static void init_amd_zen2(struct cpuinfo_x86 *c) { fix_erratum_1386(c); + zen2_zenbleed_check(c); } static void init_amd_zen3(struct cpuinfo_x86 *c) @@ -1219,8 +1211,6 @@ static void init_amd(struct cpuinfo_x86 *c) cpu_has(c, X86_FEATURE_AUTOIBRS)) WARN_ON_ONCE(msr_set_bit(MSR_EFER, _EFER_AUTOIBRS)); - zenbleed_check(c); - if (cpu_has_amd_erratum(c, amd_div0)) { pr_notice_once("AMD Zen1 DIV0 bug detected. Disable SMT for full protection.\n"); setup_force_cpu_bug(X86_BUG_DIV0); @@ -1385,7 +1375,7 @@ static void zenbleed_check_cpu(void *unused) { struct cpuinfo_x86 *c = &cpu_data(smp_processor_id()); - zenbleed_check(c); + zen2_zenbleed_check(c); } void amd_check_microcode(void)