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x86, legacy_irq: Remove left over nr_legacy_irqs

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nr_legacy_irqs and its ilk have moved to legacy_pic.

-v2: there is one in ioapic_.c

Singed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <4B84AAC4.2020204@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Yinghai Lu 2010-02-23 20:27:48 -08:00 committed by H. Peter Anvin
parent 3746c6b6e2
commit 28c6a0ba30
3 changed files with 3 additions and 7 deletions
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1
arch/x86/include/asm/irq.h
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@ -48,6 +48,5 @@ extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
extern int vector_used_by_percpu_irq(unsigned int vector);
extern void init_ISA_irqs(void);
extern int nr_legacy_irqs;
#endif /* _ASM_X86_IRQ_H */

2
arch/x86/kernel/apic/io_apic.c
View file

@ -1440,7 +1440,7 @@ static void setup_IO_APIC_irq(int apic_id, int pin, unsigned int irq, struct irq
* controllers like 8259. Now that IO-APIC can handle this irq, update
* the cfg->domain.
*/
if (irq < nr_legacy_irqs && cpumask_test_cpu(0, cfg->domain))
if (irq < legacy_pic->nr_legacy_irqs && cpumask_test_cpu(0, cfg->domain))
apic->vector_allocation_domain(0, cfg->domain);
if (assign_irq_vector(irq, cfg, apic->target_cpus()))

7
arch/x86/kernel/irqinit.c
View file

@ -99,9 +99,6 @@ int vector_used_by_percpu_irq(unsigned int vector)
return 0;
}
/* Number of legacy interrupts */
int nr_legacy_irqs __read_mostly = NR_IRQS_LEGACY;
void __init init_ISA_irqs(void)
{
int i;
@ -114,7 +111,7 @@ void __init init_ISA_irqs(void)
/*
* 16 old-style INTA-cycle interrupts:
*/
for (i = 0; i < NR_IRQS_LEGACY; i++) {
for (i = 0; i < legacy_pic->nr_legacy_irqs; i++) {
struct irq_desc *desc = irq_to_desc(i);
desc->status = IRQ_DISABLED;
@ -138,7 +135,7 @@ void __init init_IRQ(void)
* then this vector space can be freed and re-used dynamically as the
* irq's migrate etc.
*/
for (i = 0; i < nr_legacy_irqs; i++)
for (i = 0; i < legacy_pic->nr_legacy_irqs; i++)
per_cpu(vector_irq, 0)[IRQ0_VECTOR + i] = i;
x86_init.irqs.intr_init();