On Tue, 28 May 2013, Ming Lei wrote:
> This patchset tries to loose the check on DMA buffer size in check_unmap()
> of dma-debug first, then only unmap the actual completed DMA buffer in USB
> unmap path.
>
> Considered that DMA unmapping often runs in hard irq context, the patch set
> may save i
This patchset tries to loose the check on DMA buffer size in check_unmap()
of dma-debug first, then only unmap the actual completed DMA buffer in USB
unmap path.
Considered that DMA unmapping often runs in hard irq context, the patch set
may save irq handling time. And the improvement can be obser
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