Merge branch 'ras-core-for-linus' of git://git.kernel.org/pub/scm/lin…

…ux/kernel/git/tip/tip

Pull RAS fix from Ingo Molnar:
 "A single change fixing SMCA bank initialization on systems that don't
  have CPU0 enabled"

* 'ras-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/mce/AMD: Allow any CPU to initialize the smca_banks array

arch/x86/kernel/cpu/mcheck/mce_amd.c

@@ -201,8 +201,8 @@ static void smca_configure(unsigned int bank, unsigned int cpu)
 		wrmsr(smca_config, low, high);
 	}
 
-	/* Collect bank_info using CPU 0 for now. */
-	if (cpu)
+	/* Return early if this bank was already initialized. */
+	if (smca_banks[bank].hwid)
 		return;
 
 	if (rdmsr_safe_on_cpu(cpu, MSR_AMD64_SMCA_MCx_IPID(bank), &low, &high)) {
@@ -216,11 +216,6 @@ static void smca_configure(unsigned int bank, unsigned int cpu)
 	for (i = 0; i < ARRAY_SIZE(smca_hwid_mcatypes); i++) {
 		s_hwid = &smca_hwid_mcatypes[i];
 		if (hwid_mcatype == s_hwid->hwid_mcatype) {
-
-			WARN(smca_banks[bank].hwid,
-			     "Bank %s already initialized!\n",
-			     smca_get_name(s_hwid->bank_type));
-
 			smca_banks[bank].hwid = s_hwid;
 			smca_banks[bank].id = low;
 			smca_banks[bank].sysfs_id = s_hwid->count++;