diff options
| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-08-19 20:50:13 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-16 16:52:33 +0200 |
| commit | 46b8214d12c274bd4265aae482ab7ffe69d94818 (patch) | |
| tree | 512dc5a904104b82eda8741dc200f70ac938973b /arch | |
| parent | c7fb03a475bd80c642c1345d85c7c550f63514b8 (diff) | |
x86, ioapic: replace loop with nr_irqs with for_each_irq_icfg
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/io_apic_64.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/x86/kernel/io_apic_64.c b/arch/x86/kernel/io_apic_64.c index 708be9724da..60d60061659 100644 --- a/arch/x86/kernel/io_apic_64.c +++ b/arch/x86/kernel/io_apic_64.c @@ -129,6 +129,9 @@ static void __init init_work(void *data) cfg[i-1].next = &cfg[i]; } +#define for_each_irq_cfg(cfg) \ + for (cfg = irq_cfgx; cfg && cfg->irq != -1U; cfg = cfg->next) + static struct irq_cfg *irq_cfgx; DEFINE_DYN_ARRAY(irq_cfgx, sizeof(struct irq_cfg), nr_irq_cfg, PAGE_SIZE, init_work); @@ -1097,20 +1100,18 @@ void __setup_vector_irq(int cpu) /* Initialize vector_irq on a new cpu */ /* This function must be called with vector_lock held */ int irq, vector; + struct irq_cfg *cfg; /* Mark the inuse vectors */ - for (irq = 0; irq < nr_irqs; ++irq) { - struct irq_cfg *cfg = irq_cfg(irq); - + for_each_irq_cfg(cfg) { if (!cpu_isset(cpu, cfg->domain)) continue; vector = cfg->vector; + irq = cfg->irq; per_cpu(vector_irq, cpu)[vector] = irq; } /* Mark the free vectors */ for (vector = 0; vector < NR_VECTORS; ++vector) { - struct irq_cfg *cfg; - irq = per_cpu(vector_irq, cpu)[vector]; if (irq < 0) continue; @@ -1340,6 +1341,7 @@ __apicdebuginit(void) print_IO_APIC(void) union IO_APIC_reg_01 reg_01; union IO_APIC_reg_02 reg_02; unsigned long flags; + struct irq_cfg *cfg; if (apic_verbosity == APIC_QUIET) return; @@ -1408,12 +1410,11 @@ __apicdebuginit(void) print_IO_APIC(void) } } printk(KERN_DEBUG "IRQ to pin mappings:\n"); - for (i = 0; i < nr_irqs; i++) { - struct irq_cfg *cfg = irq_cfg(i); + for_each_irq_cfg(cfg) { struct irq_pin_list *entry = cfg->irq_2_pin; if (!entry) continue; - printk(KERN_DEBUG "IRQ%d ", i); + printk(KERN_DEBUG "IRQ%d ", cfg->irq); for (;;) { printk("-> %d:%d", entry->apic, entry->pin); if (!entry->next) @@ -2070,6 +2071,7 @@ static inline void init_IO_APIC_traps(void) { int irq; struct irq_desc *desc; + struct irq_cfg *cfg; /* * NOTE! The local APIC isn't very good at handling @@ -2082,10 +2084,8 @@ static inline void init_IO_APIC_traps(void) * Also, we've got to be careful not to trash gate * 0x80, because int 0x80 is hm, kind of importantish. ;) */ - for (irq = 0; irq < nr_irqs ; irq++) { - struct irq_cfg *cfg; - - cfg = irq_cfg(irq); + for_each_irq_cfg(cfg) { + irq = cfg->irq; if (IO_APIC_IRQ(irq) && !cfg->vector) { /* * Hmm.. We don't have an entry for this, |