dma-debug: disable/enable irqs only once in device_dma_allocations
There is no need to disable/enable irqs on each loop iteration. Just disable irqs for the whole time the loop runs. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
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Родитель
e7ed70eedc
Коммит
be81c6ea23
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@ -649,15 +649,19 @@ static int device_dma_allocations(struct device *dev)
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unsigned long flags;
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int count = 0, i;
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local_irq_save(flags);
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for (i = 0; i < HASH_SIZE; ++i) {
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spin_lock_irqsave(&dma_entry_hash[i].lock, flags);
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spin_lock(&dma_entry_hash[i].lock);
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list_for_each_entry(entry, &dma_entry_hash[i].list, list) {
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if (entry->dev == dev)
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count += 1;
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}
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spin_unlock_irqrestore(&dma_entry_hash[i].lock, flags);
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spin_unlock(&dma_entry_hash[i].lock);
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}
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local_irq_restore(flags);
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return count;
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}
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