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authorYinghai Lu <yinghai.lu@oracle.com>2011-10-12 11:53:17 -0700
committerIngo Molnar <mingo@elte.hu>2011-10-13 12:12:12 +0200
commit141d55e6cc590293ea1378f55b9ebd38f5024bf0 (patch)
treecf3026eb84d80ec48e8ef39ba8e5d4b0c0c84596 /arch/x86/kernel/apic
parent6f50d45fae8189365805d26e1fdf26a75301bcae (diff)
downloadop-kernel-dev-141d55e6cc590293ea1378f55b9ebd38f5024bf0.zip
op-kernel-dev-141d55e6cc590293ea1378f55b9ebd38f5024bf0.tar.gz
x86/irq: Standardize on CONFIG_SPARSE_IRQ=y
Sparseirq got introduced in v2.6.28 and Thomas did a huge cleanup around v2.6.38 that eliminated basically all disadvantages of it. So we can remove non-sparseirq support now and simplify our IRQ degrees of freedom a bit. Suggested-and-acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Yinghai Lu <yinghai@kernel.org> Link: http://lkml.kernel.org/r/4E95E21D.6090200@oracle.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic')
-rw-r--r--arch/x86/kernel/apic/io_apic.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 08f0d16..05a30c1 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -186,11 +186,7 @@ static struct irq_pin_list *alloc_irq_pin_list(int node)
/* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
-#ifdef CONFIG_SPARSE_IRQ
static struct irq_cfg irq_cfgx[NR_IRQS_LEGACY];
-#else
-static struct irq_cfg irq_cfgx[NR_IRQS];
-#endif
int __init arch_early_irq_init(void)
{
@@ -234,7 +230,6 @@ int __init arch_early_irq_init(void)
return 0;
}
-#ifdef CONFIG_SPARSE_IRQ
static struct irq_cfg *irq_cfg(unsigned int irq)
{
return irq_get_chip_data(irq);
@@ -269,22 +264,6 @@ static void free_irq_cfg(unsigned int at, struct irq_cfg *cfg)
kfree(cfg);
}
-#else
-
-struct irq_cfg *irq_cfg(unsigned int irq)
-{
- return irq < nr_irqs ? irq_cfgx + irq : NULL;
-}
-
-static struct irq_cfg *alloc_irq_cfg(unsigned int irq, int node)
-{
- return irq_cfgx + irq;
-}
-
-static inline void free_irq_cfg(unsigned int at, struct irq_cfg *cfg) { }
-
-#endif
-
static struct irq_cfg *alloc_irq_and_cfg_at(unsigned int at, int node)
{
int res = irq_alloc_desc_at(at, node);
@@ -3644,7 +3623,6 @@ int get_nr_irqs_gsi(void)
return nr_irqs_gsi;
}
-#ifdef CONFIG_SPARSE_IRQ
int __init arch_probe_nr_irqs(void)
{
int nr;
@@ -3664,7 +3642,6 @@ int __init arch_probe_nr_irqs(void)
return NR_IRQS_LEGACY;
}
-#endif
int io_apic_set_pci_routing(struct device *dev, int irq,
struct io_apic_irq_attr *irq_attr)
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