diff options
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
| -rw-r--r-- | arch/x86/kernel/apic/apic.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 1cbae30af51c..779dae5a852f 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -64,6 +64,8 @@ unsigned disabled_cpus; unsigned int boot_cpu_physical_apicid = -1U; EXPORT_SYMBOL_GPL(boot_cpu_physical_apicid); +u8 boot_cpu_apic_version; + /* * The highest APIC ID seen during enumeration. */ @@ -1812,8 +1814,7 @@ void __init init_apic_mappings(void) * since smp_sanity_check is prepared for such a case * and disable smp mode */ - apic_version[new_apicid] = - GET_APIC_VERSION(apic_read(APIC_LVR)); + boot_cpu_apic_version = GET_APIC_VERSION(apic_read(APIC_LVR)); } } @@ -1828,13 +1829,10 @@ void __init register_lapic_address(unsigned long address) } if (boot_cpu_physical_apicid == -1U) { boot_cpu_physical_apicid = read_apic_id(); - apic_version[boot_cpu_physical_apicid] = - GET_APIC_VERSION(apic_read(APIC_LVR)); + boot_cpu_apic_version = GET_APIC_VERSION(apic_read(APIC_LVR)); } } -int apic_version[MAX_LOCAL_APIC]; - /* * Local APIC interrupts */ @@ -2124,11 +2122,10 @@ int generic_processor_info(int apicid, int version) cpu, apicid); version = 0x10; } - apic_version[apicid] = version; - if (version != apic_version[boot_cpu_physical_apicid]) { + if (version != boot_cpu_apic_version) { pr_warning("BIOS bug: APIC version mismatch, boot CPU: %x, CPU %d: version %x\n", - apic_version[boot_cpu_physical_apicid], cpu, version); + boot_cpu_apic_version, cpu, version); } physid_set(apicid, phys_cpu_present_map); @@ -2271,7 +2268,7 @@ int __init APIC_init_uniprocessor(void) * Complain if the BIOS pretends there is one. */ if (!boot_cpu_has(X86_FEATURE_APIC) && - APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) { + APIC_INTEGRATED(boot_cpu_apic_version)) { pr_err("BIOS bug, local APIC 0x%x not detected!...\n", boot_cpu_physical_apicid); return -1; |