On Mon, 2013-03-18 at 15:12 -0700, Alexander Duyck wrote:
> In check_unmap it is possible to get into a dead-locked state if
> dma_mapping_error is called. The problem is that the bucket is locked in
> check_unmap, and locked again by debug_dma_mapping_error which is called by
> dma_mapping_error.
In check_unmap it is possible to get into a dead-locked state if
dma_mapping_error is called. The problem is that the bucket is locked in
check_unmap, and locked again by debug_dma_mapping_error which is called by
dma_mapping_error. To resolve that we must release the lock on the bucket
before ma
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