diff options
Diffstat (limited to 'arch/x86/kernel/apic/apic.c')
-rw-r--r-- | arch/x86/kernel/apic/apic.c | 71 |
1 files changed, 35 insertions, 36 deletions
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 9e2dd2b296cd..28446fa6bf18 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -780,8 +780,8 @@ calibrate_by_pmtimer(long deltapm, long *delta, long *deltatsc) res = (((u64)deltapm) * mult) >> 22; do_div(res, 1000000); - pr_warning("APIC calibration not consistent " - "with PM-Timer: %ldms instead of 100ms\n",(long)res); + pr_warn("APIC calibration not consistent " + "with PM-Timer: %ldms instead of 100ms\n", (long)res); /* Correct the lapic counter value */ res = (((u64)(*delta)) * pm_100ms); @@ -977,7 +977,7 @@ static int __init calibrate_APIC_clock(void) */ if (lapic_timer_period < (1000000 / HZ)) { local_irq_enable(); - pr_warning("APIC frequency too slow, disabling apic timer\n"); + pr_warn("APIC frequency too slow, disabling apic timer\n"); return -1; } @@ -1021,7 +1021,7 @@ static int __init calibrate_APIC_clock(void) local_irq_enable(); if (levt->features & CLOCK_EVT_FEAT_DUMMY) { - pr_warning("APIC timer disabled due to verification failure\n"); + pr_warn("APIC timer disabled due to verification failure\n"); return -1; } @@ -1095,8 +1095,8 @@ static void local_apic_timer_interrupt(void) * spurious. */ if (!evt->event_handler) { - pr_warning("Spurious LAPIC timer interrupt on cpu %d\n", - smp_processor_id()); + pr_warn("Spurious LAPIC timer interrupt on cpu %d\n", + smp_processor_id()); /* Switch it off */ lapic_timer_shutdown(evt); return; @@ -1586,9 +1586,6 @@ static void setup_local_APIC(void) { int cpu = smp_processor_id(); unsigned int value; -#ifdef CONFIG_X86_32 - int logical_apicid, ldr_apicid; -#endif if (disable_apic) { disable_ioapic_support(); @@ -1626,16 +1623,21 @@ static void setup_local_APIC(void) apic->init_apic_ldr(); #ifdef CONFIG_X86_32 - /* - * APIC LDR is initialized. If logical_apicid mapping was - * initialized during get_smp_config(), make sure it matches the - * actual value. - */ - logical_apicid = early_per_cpu(x86_cpu_to_logical_apicid, cpu); - ldr_apicid = GET_APIC_LOGICAL_ID(apic_read(APIC_LDR)); - WARN_ON(logical_apicid != BAD_APICID && logical_apicid != ldr_apicid); - /* always use the value from LDR */ - early_per_cpu(x86_cpu_to_logical_apicid, cpu) = ldr_apicid; + if (apic->dest_logical) { + int logical_apicid, ldr_apicid; + + /* + * APIC LDR is initialized. If logical_apicid mapping was + * initialized during get_smp_config(), make sure it matches + * the actual value. + */ + logical_apicid = early_per_cpu(x86_cpu_to_logical_apicid, cpu); + ldr_apicid = GET_APIC_LOGICAL_ID(apic_read(APIC_LDR)); + if (logical_apicid != BAD_APICID) + WARN_ON(logical_apicid != ldr_apicid); + /* Always use the value from LDR. */ + early_per_cpu(x86_cpu_to_logical_apicid, cpu) = ldr_apicid; + } #endif /* @@ -1809,11 +1811,11 @@ static int __init setup_nox2apic(char *str) int apicid = native_apic_msr_read(APIC_ID); if (apicid >= 255) { - pr_warning("Apicid: %08x, cannot enforce nox2apic\n", - apicid); + pr_warn("Apicid: %08x, cannot enforce nox2apic\n", + apicid); return 0; } - pr_warning("x2apic already enabled.\n"); + pr_warn("x2apic already enabled.\n"); __x2apic_disable(); } setup_clear_cpu_cap(X86_FEATURE_X2APIC); @@ -1981,7 +1983,7 @@ static int __init apic_verify(void) */ features = cpuid_edx(1); if (!(features & (1 << X86_FEATURE_APIC))) { - pr_warning("Could not enable APIC!\n"); + pr_warn("Could not enable APIC!\n"); return -1; } set_cpu_cap(&boot_cpu_data, X86_FEATURE_APIC); @@ -2335,7 +2337,7 @@ static int cpuid_to_apicid[] = { #ifdef CONFIG_SMP /** * apic_id_is_primary_thread - Check whether APIC ID belongs to a primary thread - * @id: APIC ID to check + * @apicid: APIC ID to check */ bool apic_id_is_primary_thread(unsigned int apicid) { @@ -2408,9 +2410,8 @@ int generic_processor_info(int apicid, int version) disabled_cpu_apicid == apicid) { int thiscpu = num_processors + disabled_cpus; - pr_warning("APIC: Disabling requested cpu." - " Processor %d/0x%x ignored.\n", - thiscpu, apicid); + pr_warn("APIC: Disabling requested cpu." + " Processor %d/0x%x ignored.\n", thiscpu, apicid); disabled_cpus++; return -ENODEV; @@ -2424,8 +2425,7 @@ int generic_processor_info(int apicid, int version) apicid != boot_cpu_physical_apicid) { int thiscpu = max + disabled_cpus - 1; - pr_warning( - "APIC: NR_CPUS/possible_cpus limit of %i almost" + pr_warn("APIC: NR_CPUS/possible_cpus limit of %i almost" " reached. Keeping one slot for boot cpu." " Processor %d/0x%x ignored.\n", max, thiscpu, apicid); @@ -2436,9 +2436,8 @@ int generic_processor_info(int apicid, int version) if (num_processors >= nr_cpu_ids) { int thiscpu = max + disabled_cpus; - pr_warning("APIC: NR_CPUS/possible_cpus limit of %i " - "reached. Processor %d/0x%x ignored.\n", - max, thiscpu, apicid); + pr_warn("APIC: NR_CPUS/possible_cpus limit of %i reached. " + "Processor %d/0x%x ignored.\n", max, thiscpu, apicid); disabled_cpus++; return -EINVAL; @@ -2468,13 +2467,13 @@ int generic_processor_info(int apicid, int version) * Validate version */ if (version == 0x0) { - pr_warning("BIOS bug: APIC version is 0 for CPU %d/0x%x, fixing up to 0x10\n", - cpu, apicid); + pr_warn("BIOS bug: APIC version is 0 for CPU %d/0x%x, fixing up to 0x10\n", + cpu, apicid); version = 0x10; } if (version != boot_cpu_apic_version) { - pr_warning("BIOS bug: APIC version mismatch, boot CPU: %x, CPU %d: version %x\n", + pr_warn("BIOS bug: APIC version mismatch, boot CPU: %x, CPU %d: version %x\n", boot_cpu_apic_version, cpu, version); } @@ -2843,7 +2842,7 @@ static int __init apic_set_verbosity(char *arg) apic_verbosity = APIC_VERBOSE; #ifdef CONFIG_X86_64 else { - pr_warning("APIC Verbosity level %s not recognised" + pr_warn("APIC Verbosity level %s not recognised" " use apic=verbose or apic=debug\n", arg); return -EINVAL; } |