diff options
| author | Yinghai Lu <yinghai.lu@oracle.com> | 2011-10-12 11:53:17 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-10-13 12:12:12 +0200 |
| commit | 141d55e6cc590293ea1378f55b9ebd38f5024bf0 (patch) | |
| tree | cf3026eb84d80ec48e8ef39ba8e5d4b0c0c84596 /arch/x86/kernel | |
| parent | 6f50d45fae8189365805d26e1fdf26a75301bcae (diff) | |
| download | lwn-141d55e6cc590293ea1378f55b9ebd38f5024bf0.tar.gz lwn-141d55e6cc590293ea1378f55b9ebd38f5024bf0.zip | |
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')
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 23 |
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 08f0d165e139..05a30c122b1b 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) |