[RFC v2 PATCH 6/7] dmaengine: xilinx_dma: Use tasklet_hi_schedule for timing critical usecase
From: Radhey Shyam Pandey <hidden>
Date: 2021-04-09 17:57:55
Also in:
dmaengine, linux-arm-kernel, lkml
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
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 <redacted> -- Changes for v2: - None --- 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 f2305a73cb91..a2ea2d649332 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c@@ -1829,7 +1829,7 @@ 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; }
--
2.7.4