1 files changed, 5 insertions, 15 deletions

diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index f654ecefea5b..08a089043ccf 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -512,7 +512,7 @@ static void early_init_amd(struct cpuinfo_x86 *c)
 
 static const int amd_erratum_383[];
 static const int amd_erratum_400[];
-static bool cpu_has_amd_erratum(const int *erratum);
+static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum);
 
 static void init_amd(struct cpuinfo_x86 *c)
 {
@@ -729,11 +729,11 @@ static void init_amd(struct cpuinfo_x86 *c)
                 value &= ~(1ULL << 24);
                 wrmsrl_safe(MSR_AMD64_BU_CFG2, value);
 
-                if (cpu_has_amd_erratum(amd_erratum_383))
+                if (cpu_has_amd_erratum(c, amd_erratum_383))
                         set_cpu_bug(c, X86_BUG_AMD_TLB_MMATCH);
         }
 
-        if (cpu_has_amd_erratum(amd_erratum_400))
+        if (cpu_has_amd_erratum(c, amd_erratum_400))
                 set_cpu_bug(c, X86_BUG_AMD_APIC_C1E);
 
         rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy);
@@ -878,23 +878,13 @@ static const int amd_erratum_400[] =
 static const int amd_erratum_383[] =
         AMD_OSVW_ERRATUM(3, AMD_MODEL_RANGE(0x10, 0, 0, 0xff, 0xf));
 
-static bool cpu_has_amd_erratum(const int *erratum)
+
+static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum)
 {
-        struct cpuinfo_x86 *cpu = __this_cpu_ptr(&cpu_info);
         int osvw_id = *erratum++;
         u32 range;
         u32 ms;
 
-        /*
-         * If called early enough that current_cpu_data hasn't been initialized
-         * yet, fall back to boot_cpu_data.
-         */
-        if (cpu->x86 == 0)
-                cpu = &boot_cpu_data;
-
-        if (cpu->x86_vendor != X86_VENDOR_AMD)
-                return false;
-
         if (osvw_id >= 0 && osvw_id < 65536 &&
             cpu_has(cpu, X86_FEATURE_OSVW)) {
                 u64 osvw_len;