From: Stephen Hemminger <stephen@networkplumber.org>
Date: Thu, 4 Jan 2018 14:13:31 -0800
Patch-mainline: v4.16-rc1
Subject: uio_hv_generic: use ISR callback method
Git-commit: 2141a8457f16bac72ef4b4c38885612d1f2232cb
References: fate#323887
The UIO IRQ handler doesn't need to be called from a tasklet.
Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Olaf Hering <ohering@suse.de>
---
drivers/uio/uio_hv_generic.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c
--- a/drivers/uio/uio_hv_generic.c
+++ b/drivers/uio/uio_hv_generic.c
@@ -109,7 +109,7 @@ hv_uio_probe(struct hv_device *dev,
goto fail;
dev->channel->inbound.ring_buffer->interrupt_mask = 1;
- set_channel_read_mode(dev->channel, HV_CALL_DIRECT);
+ set_channel_read_mode(dev->channel, HV_CALL_ISR);
/* Fill general uio info */
pdata->info.name = "uio_hv_generic";