提交 0791e98d 编写于 作者: L Linus Torvalds

Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/irq: Standardize on CONFIG_SPARSE_IRQ=y
  x86, ioapic: Clean up ioapic/apic_id usage
  x86, ioapic: Factor out print_IO_APIC() to only print one io apic
  x86, ioapic: Print out irte with right ioapic index
  x86, ioapic: Split up setup_ioapic_entry()
  x86, ioapic: Pass struct irq_attr * to setup_ioapic_irq()
  apic, i386/bigsmp: Fix false warnings regarding logical APIC ID mismatches
......@@ -64,6 +64,7 @@ config X86
select HAVE_TEXT_POKE_SMP
select HAVE_GENERIC_HARDIRQS
select HAVE_SPARSE_IRQ
select SPARSE_IRQ
select GENERIC_FIND_FIRST_BIT
select GENERIC_IRQ_PROBE
select GENERIC_PENDING_IRQ if SMP
......
......@@ -495,7 +495,7 @@ static inline void default_wait_for_init_deassert(atomic_t *deassert)
return;
}
extern struct apic *generic_bigsmp_probe(void);
extern void generic_bigsmp_probe(void);
#ifdef CONFIG_X86_LOCAL_APIC
......
......@@ -160,19 +160,11 @@ static inline int invalid_vm86_irq(int irq)
#define IO_APIC_VECTOR_LIMIT ( 32 * MAX_IO_APICS )
#ifdef CONFIG_X86_IO_APIC
# ifdef CONFIG_SPARSE_IRQ
# define CPU_VECTOR_LIMIT (64 * NR_CPUS)
# define NR_IRQS \
# define CPU_VECTOR_LIMIT (64 * NR_CPUS)
# define NR_IRQS \
(CPU_VECTOR_LIMIT > IO_APIC_VECTOR_LIMIT ? \
(NR_VECTORS + CPU_VECTOR_LIMIT) : \
(NR_VECTORS + IO_APIC_VECTOR_LIMIT))
# else
# define CPU_VECTOR_LIMIT (32 * NR_CPUS)
# define NR_IRQS \
(CPU_VECTOR_LIMIT < IO_APIC_VECTOR_LIMIT ? \
(NR_VECTORS + CPU_VECTOR_LIMIT) : \
(NR_VECTORS + IO_APIC_VECTOR_LIMIT))
# endif
#else /* !CONFIG_X86_IO_APIC: */
# define NR_IRQS NR_IRQS_LEGACY
#endif
......
......@@ -255,12 +255,24 @@ static struct apic apic_bigsmp = {
.x86_32_early_logical_apicid = bigsmp_early_logical_apicid,
};
struct apic * __init generic_bigsmp_probe(void)
void __init generic_bigsmp_probe(void)
{
if (probe_bigsmp())
return &apic_bigsmp;
unsigned int cpu;
return NULL;
if (!probe_bigsmp())
return;
apic = &apic_bigsmp;
for_each_possible_cpu(cpu) {
if (early_per_cpu(x86_cpu_to_logical_apicid,
cpu) == BAD_APICID)
continue;
early_per_cpu(x86_cpu_to_logical_apicid, cpu) =
bigsmp_early_logical_apicid(cpu);
}
pr_info("Overriding APIC driver with %s\n", apic_bigsmp.name);
}
apic_driver(apic_bigsmp);
此差异已折叠。
......@@ -200,14 +200,8 @@ void __init default_setup_apic_routing(void)
* - we find more than 8 CPUs in acpi LAPIC listing with xAPIC support
*/
if (!cmdline_apic && apic == &apic_default) {
struct apic *bigsmp = generic_bigsmp_probe();
if (bigsmp) {
apic = bigsmp;
printk(KERN_INFO "Overriding APIC driver with %s\n",
apic->name);
}
}
if (!cmdline_apic && apic == &apic_default)
generic_bigsmp_probe();
#endif
if (apic->setup_apic_routing)
......
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