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| author |   Yinghai Lu <yhlu.kernel@gmail.com> | 2008-08-19 20:50:15 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-10-16 16:52:50 +0200 |
| commit | 46926b67fc663d357a1a8174328998a9e49da0b8 (patch) | |
| tree | 33870a6c416bbc4d246ecfbf015a78c61943a36d /kernel/irq/handle.c | |
| parent | irq: remove >= nr_irqs checking with config_have_sparse_irq (diff) | |
| download | linux-dev-46926b67fc663d357a1a8174328998a9e49da0b8.tar.xz linux-dev-46926b67fc663d357a1a8174328998a9e49da0b8.zip | |
generic: add irq_desc in function in parameter
So we could remove some duplicated calling to irq_desc
v2: make sure irq_desc in init/main.c is not used without generic_hardirqs
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/irq/handle.c')
| -rw-r--r-- | kernel/irq/handle.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c index 8e55dbe50afc..e1d787e9169b 100644 --- a/kernel/irq/handle.c +++ b/kernel/irq/handle.c @@ -197,6 +197,21 @@ struct irq_desc *irq_to_desc(unsigned int irq) * we run out of pre-allocate ones, allocate more */ printk(KERN_DEBUG "try to get more irq_desc %d\n", nr_irq_desc); + { + /* double check if some one mess up the list */ + struct irq_desc *desc; + int count = 0; + + desc = &sparse_irqs[0]; + while (desc) { + printk(KERN_DEBUG "found irq_desc for irq %d\n", desc->irq); + if (desc->next) + printk(KERN_DEBUG "found irq_desc for irq %d and next will be irq %d\n", desc->irq, desc->next->irq); + desc = desc->next; + count++; + } + printk(KERN_DEBUG "all preallocted %d\n", count); + } total_bytes = sizeof(struct irq_desc) * nr_irq_desc; if (after_bootmem) @@ -221,6 +236,21 @@ struct irq_desc *irq_to_desc(unsigned int irq) desc->irq = irq; desc_pri->next = desc; + { + /* double check if some one mess up the list */ + struct irq_desc *desc; + int count = 0; + + desc = &sparse_irqs[0]; + while (desc) { + printk(KERN_DEBUG "1 found irq_desc for irq %d\n", desc->irq); + if (desc->next) + printk(KERN_DEBUG "1 found irq_desc for irq %d and next will be irq %d\n", desc->irq, desc->next->irq); + desc = desc->next; + count++; + } + printk(KERN_DEBUG "1 all preallocted %d\n", count); + } return desc; } |