[PATCH V2 5/6] dmaengine: xilinx_dma: Use tasklet_hi_schedule for timing critical usecase

Sarath Babu Naidu Gaddam sarath.babu.naidu.gaddam at amd.com
Thu Nov 24 02:27:44 PST 2022


From: Radhey Shyam Pandey <radhey.shyam.pandey at xilinx.com>

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 <radhey.shyam.pandey at xilinx.com>
---
 drivers/dma/xilinx/xilinx_dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index 6780b1c21414..ce0c151d8f61 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -1839,7 +1839,7 @@ static irqreturn_t xilinx_mcdma_irq_handler(int irq, void *data)
 		spin_unlock(&chan->lock);
 	}
 
-	tasklet_schedule(&chan->tasklet);
+	tasklet_hi_schedule(&chan->tasklet);
 	return IRQ_HANDLED;
 }
 
-- 
2.25.1




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