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dmaengine: xilinx_dma: Use tasklet_hi_schedule for timing critical usecase
author
Radhey Shyam Pandey
<radhey.shyam.pandey@amd.com>
Mon, 7 Aug 2023 05:51:45 +0000
(11:21 +0530)
committer
Vinod Koul
<vkoul@kernel.org>
Mon, 21 Aug 2023 13:10:37 +0000
(18:40 +0530)
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@amd.com>
Link:
https://lore.kernel.org/r/1691387509-2113129-7-git-send-email-radhey.shyam.pandey@amd.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
drivers/dma/xilinx/xilinx_dma.c
patch
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diff --git
a/drivers/dma/xilinx/xilinx_dma.c
b/drivers/dma/xilinx/xilinx_dma.c
index
5de9d36
..
ccd02d8
100644
(file)
--- a/
drivers/dma/xilinx/xilinx_dma.c
+++ b/
drivers/dma/xilinx/xilinx_dma.c
@@
-1850,7
+1850,7
@@
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;
}