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    Subject[RFC 6/6] dmaengine: xilinx_dma: Use tasklet_hi_schedule for timing critical usecase
    Date
    Schedule tasklet with high priority to ensure that callback processing
    is prioritized. It improves throughput for netdev dma clients.

    Signed-off-by: Radhey Shyam Pandey <radheys@xilinx.com>
    ---
    drivers/dma/xilinx/xilinx_dma.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
    index ab8f1b0..d45224d 100644
    --- a/drivers/dma/xilinx/xilinx_dma.c
    +++ b/drivers/dma/xilinx/xilinx_dma.c
    @@ -1536,7 +1536,7 @@ static irqreturn_t xilinx_dma_irq_handler(int irq, void *data)
    spin_unlock(&chan->lock);
    }

    - tasklet_schedule(&chan->tasklet);
    + tasklet_hi_schedule(&chan->tasklet);
    return IRQ_HANDLED;
    }

    --
    1.7.1
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