Interrupt enable/disabled with spinlock is not a valid implementation for RT as it can make executing task to sleep from a non-sleepable context. So, converting it to spin_lock_irq[save, restore].
Signed-off-by: Pankaj Gupta <[email protected]> --- lib/dma-debug.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/lib/dma-debug.c b/lib/dma-debug.c index b157b46..fe4d50c 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -942,21 +942,17 @@ static int device_dma_allocations(struct device *dev, struct dma_debug_entry **o unsigned long flags; int count = 0, i; - local_irq_save(flags); - for (i = 0; i < HASH_SIZE; ++i) { - spin_lock(&dma_entry_hash[i].lock); + spin_lock_irqsave(&dma_entry_hash[i].lock, flags); list_for_each_entry(entry, &dma_entry_hash[i].list, list) { if (entry->dev == dev) { count += 1; *out_entry = entry; } } - spin_unlock(&dma_entry_hash[i].lock); + spin_unlock_irqrestore(&dma_entry_hash[i].lock, flags); } - local_irq_restore(flags); - return count; } -- 2.7.4
