diff options
Diffstat (limited to 'arch/x86/kernel/apic.c')
| -rw-r--r-- | arch/x86/kernel/apic.c | 56 |
1 files changed, 28 insertions, 28 deletions
diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c index 6c83ac10e6d..d2d17b8d10f 100644 --- a/arch/x86/kernel/apic.c +++ b/arch/x86/kernel/apic.c @@ -31,10 +31,12 @@ #include <linux/dmi.h> #include <linux/dmar.h> #include <linux/ftrace.h> +#include <linux/smp.h> +#include <linux/nmi.h> +#include <linux/timex.h> #include <asm/perf_counter.h> #include <asm/atomic.h> -#include <asm/smp.h> #include <asm/mtrr.h> #include <asm/mpspec.h> #include <asm/desc.h> @@ -42,10 +44,8 @@ #include <asm/hpet.h> #include <asm/pgalloc.h> #include <asm/i8253.h> -#include <asm/nmi.h> #include <asm/idle.h> #include <asm/proto.h> -#include <asm/timex.h> #include <asm/apic.h> #include <asm/i8259.h> @@ -99,8 +99,8 @@ __setup("apicpmtimer", setup_apicpmtimer); #ifdef HAVE_X2APIC int x2apic; /* x2apic enabled before OS handover */ -int x2apic_preenabled; -int disable_x2apic; +static int x2apic_preenabled; +static int disable_x2apic; static __init int setup_nox2apic(char *str) { disable_x2apic = 1; @@ -120,8 +120,6 @@ EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok); int first_system_vector = 0xfe; -char system_vectors[NR_VECTORS] = { [0 ... NR_VECTORS-1] = SYS_VECTOR_FREE}; - /* * Debug level, exported for io_apic.c */ @@ -143,7 +141,7 @@ static int lapic_next_event(unsigned long delta, struct clock_event_device *evt); static void lapic_timer_setup(enum clock_event_mode mode, struct clock_event_device *evt); -static void lapic_timer_broadcast(cpumask_t mask); +static void lapic_timer_broadcast(const struct cpumask *mask); static void apic_pm_activate(void); /* @@ -229,7 +227,7 @@ void xapic_icr_write(u32 low, u32 id) apic_write(APIC_ICR, low); } -u64 xapic_icr_read(void) +static u64 xapic_icr_read(void) { u32 icr1, icr2; @@ -269,7 +267,7 @@ void x2apic_icr_write(u32 low, u32 id) wrmsrl(APIC_BASE_MSR + (APIC_ICR >> 4), ((__u64) id) << 32 | low); } -u64 x2apic_icr_read(void) +static u64 x2apic_icr_read(void) { unsigned long val; @@ -456,7 +454,7 @@ static void lapic_timer_setup(enum clock_event_mode mode, /* * Local APIC timer broadcast function */ -static void lapic_timer_broadcast(cpumask_t mask) +static void lapic_timer_broadcast(const struct cpumask *mask) { #ifdef CONFIG_SMP send_IPI_mask(mask, LOCAL_TIMER_VECTOR); @@ -472,7 +470,7 @@ static void __cpuinit setup_APIC_timer(void) struct clock_event_device *levt = &__get_cpu_var(lapic_events); memcpy(levt, &lapic_clockevent, sizeof(*levt)); - levt->cpumask = cpumask_of_cpu(smp_processor_id()); + levt->cpumask = cpumask_of(smp_processor_id()); clockevents_register_device(levt); } @@ -690,7 +688,7 @@ 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_warning("APIC timer disabled due to verification failure\n"); return -1; } @@ -1809,28 +1807,32 @@ void disconnect_bsp_APIC(int virt_wire_setup) void __cpuinit generic_processor_info(int apicid, int version) { int cpu; - cpumask_t tmp_map; /* * Validate version */ if (version == 0x0) { pr_warning("BIOS bug, APIC version is 0 for CPU#%d! " - "fixing up to 0x10. (tell your hw vendor)\n", - version); + "fixing up to 0x10. (tell your hw vendor)\n", + version); version = 0x10; } apic_version[apicid] = version; - if (num_processors >= NR_CPUS) { - pr_warning("WARNING: NR_CPUS limit of %i reached." - " Processor ignored.\n", NR_CPUS); + if (num_processors >= nr_cpu_ids) { + int max = nr_cpu_ids; + int thiscpu = max + disabled_cpus; + + pr_warning( + "ACPI: NR_CPUS/possible_cpus limit of %i reached." + " Processor %d/0x%x ignored.\n", max, thiscpu, apicid); + + disabled_cpus++; return; } num_processors++; - cpus_complement(tmp_map, cpu_present_map); - cpu = first_cpu(tmp_map); + cpu = cpumask_next_zero(-1, cpu_present_mask); physid_set(apicid, phys_cpu_present_map); if (apicid == boot_cpu_physical_apicid) { @@ -1880,8 +1882,8 @@ void __cpuinit generic_processor_info(int apicid, int version) } #endif - cpu_set(cpu, cpu_possible_map); - cpu_set(cpu, cpu_present_map); + set_cpu_possible(cpu, true); + set_cpu_present(cpu, true); } #ifdef CONFIG_X86_64 @@ -2083,18 +2085,16 @@ __cpuinit int apic_is_clustered_box(void) bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid); bitmap_zero(clustermap, NUM_APIC_CLUSTERS); - for (i = 0; i < NR_CPUS; i++) { + for (i = 0; i < nr_cpu_ids; i++) { /* are we being called early in kernel startup? */ if (bios_cpu_apicid) { id = bios_cpu_apicid[i]; - } - else if (i < nr_cpu_ids) { + } else if (i < nr_cpu_ids) { if (cpu_present(i)) id = per_cpu(x86_bios_cpu_apicid, i); else continue; - } - else + } else break; if (id != BAD_APICID) |