x86/apic: Get rid of apic_version[] array

[deliverable/linux.git] / arch / x86 / kernel / apic / apic.c

diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index f3e9b2df4b165d9d1a31322960778a2e9ef68bf3..076c315cdf18bf340335ea9bfcd25ec05246d54a 100644 (file)
--- 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.
  */
@@ -1816,8 +1818,7 @@ 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));
        }
 }
 
@@ -1832,13 +1833,10 @@ 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
  */
@@ -2130,11 +2128,10 @@ 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);
@@ -2277,7 +2274,7 @@ 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;